Testing and related fixes

35 files changed, 20435 insertions, 391 deletions

diff --git a/ProtocolBuffers.build b/ProtocolBuffers.build
index f613c8e0..85ab6007 100644
--- a/ProtocolBuffers.build
+++ b/ProtocolBuffers.build
@@ -150,7 +150,8 @@
       <arg file="${protos-dir}/google/protobuf/unittest_lite.proto" />
       <arg file="${protos-dir}/google/protobuf/unittest_lite_imports_nonlite.proto" />
       <arg file="${protos-dir}/google/protobuf/unittest_no_generic_services.proto" />
-           
+
+      <arg file="${protos-dir}/extest/unittest_extras_lite.proto" />
       <arg file="${protos-dir}/tutorial/addressbook.proto" />
     </exec>
     
@@ -178,7 +179,6 @@
         <include name="UnitTestEmptyProtoFile.cs" />
         <include name="UnitTestEnormousDescriptorProtoFile.cs" />
         <include name="UnitTestImportProtoFile.cs" />
-        <include name="UnitTestLiteImportNonLiteProtoFile.cs" />
         <include name="UnitTestMessageSetProtoFile.cs" />
         <include name="UnitTestNoGenericServicesProtoFile.cs" />
         <include name="UnitTestOptimizeForProtoFile.cs" />
@@ -188,8 +188,12 @@
 
     <copy todir="${src}/ProtocolBuffersLite.Test/TestProtos">
       <fileset basedir="${tmp-dir}">
+        <include name="UnitTestExtrasLiteProtoFile.cs" />
         <include name="UnitTestImportLiteProtoFile.cs" />
+        <include name="UnitTestImportProtoFile.cs" />
+        <include name="UnitTestLiteImportNonLiteProtoFile.cs" />
         <include name="UnitTestLiteProtoFile.cs" />
+        <include name="UnitTestProtoFile.cs" />
       </fileset>
     </copy>
 
@@ -273,6 +277,8 @@
     <nunit2>
       <formatter type="Plain" />
       <test assemblyname="${src}/ProtocolBuffers.Test/bin/${build-configuration}/Google.ProtocolBuffers.Test.dll" />
+      <test assemblyname="${src}/ProtocolBuffersLite.Test/bin/${build-configuration}/Google.ProtocolBuffersLite.Test.dll" />
+      <test assemblyname="${src}/ProtocolBuffersLite.Test/bin/${build-configuration}/Google.ProtocolBuffersMixedLite.Test.dll" />
       <test assemblyname="${src}/Protogen.Test/bin/${build-configuration}/Google.ProtocolBuffers.ProtoGen.Test.dll" />
     </nunit2>
   </target>
diff --git a/protos/extest/unittest_extras_lite.proto b/protos/extest/unittest_extras_lite.proto
new file mode 100644
index 00000000..0b7d100a
--- /dev/null
+++ b/protos/extest/unittest_extras_lite.proto
@@ -0,0 +1,23 @@
+// Additional options required for C# generation. File from copyright
+// line onwards is as per original distribution.
+import "google/protobuf/csharp_options.proto";
+option (google.protobuf.csharp_file_options).namespace = "Google.ProtocolBuffers.TestProtos";
+option (google.protobuf.csharp_file_options).umbrella_classname = "UnitTestExtrasLiteProtoFile";
+
+package protobuf_unittest_extra;
+
+option optimize_for = LITE_RUNTIME;
+
+option java_package = "com.google.protobuf";
+
+message TestRequiredLite {
+  required int32 d = 1;
+  required ExtraEnum en = 2 [default = DEFAULT];
+}
+
+enum ExtraEnum {
+  DEFAULT = 1;
+  EXLITE_FOO = 7;
+  EXLITE_BAR = 8;
+  EXLITE_BAZ = 9;
+}
diff --git a/src/ProtoGen/ExtensionGenerator.cs b/src/ProtoGen/ExtensionGenerator.cs
index 108f1a73..e0860ad8 100644
--- a/src/ProtoGen/ExtensionGenerator.cs
+++ b/src/ProtoGen/ExtensionGenerator.cs
@@ -99,7 +99,7 @@ namespace Google.ProtocolBuffers.ProtoGen {
           writer.WriteLine("{0},", Descriptor.HasDefaultValue ? DefaultValue : IsNullableType ? "null" : "default(" + type + ")");
         writer.WriteLine("{0},", (Descriptor.MappedType == MappedType.Message) ? type + ".DefaultInstance" : "null");
         writer.WriteLine("{0},", (Descriptor.MappedType == MappedType.Enum) ? "new EnumLiteMap<" + type + ">()" : "null");
-        writer.WriteLine("{0},", Descriptor.Index);
+        writer.WriteLine("{0}.{1}FieldNumber,", scope, name);
         writer.Write("pbd::FieldType.{0}", Descriptor.FieldType);
         if (Descriptor.IsRepeated) {
           writer.WriteLine(",");
diff --git a/src/ProtocolBuffers.Test/ExtendableMessageTest.cs b/src/ProtocolBuffers.Test/ExtendableMessageTest.cs
new file mode 100644
index 00000000..ab04ef0a
--- /dev/null
+++ b/src/ProtocolBuffers.Test/ExtendableMessageTest.cs
@@ -0,0 +1,187 @@
+#region Copyright notice and license
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://github.com/jskeet/dotnet-protobufs/
+// Original C++/Java/Python code:
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#endregion
+
+using System;
+using System.Collections.Generic;
+using Google.ProtocolBuffers;
+using Google.ProtocolBuffers.TestProtos;
+using NUnit.Framework;
+
+namespace Google.ProtocolBuffers {
+  [TestFixture]
+  public class ExtendableMessageTest {
+
+
+    [Test]
+    public void ExtensionWriterTest() {
+      TestAllExtensions.Builder builder = TestAllExtensions.CreateBuilder()
+        .SetExtension(UnitTestProtoFile.DefaultBoolExtension, true)
+        .SetExtension(UnitTestProtoFile.DefaultBytesExtension, ByteString.CopyFromUtf8("123"))
+        .SetExtension(UnitTestProtoFile.DefaultCordExtension, "123")
+        .SetExtension(UnitTestProtoFile.DefaultDoubleExtension, 123)
+        .SetExtension(UnitTestProtoFile.DefaultFixed32Extension, 123u)
+        .SetExtension(UnitTestProtoFile.DefaultFixed64Extension, 123u)
+        .SetExtension(UnitTestProtoFile.DefaultFloatExtension, 123)
+        .SetExtension(UnitTestProtoFile.DefaultForeignEnumExtension, ForeignEnum.FOREIGN_BAZ)
+        .SetExtension(UnitTestProtoFile.DefaultImportEnumExtension, ImportEnum.IMPORT_BAZ)
+        .SetExtension(UnitTestProtoFile.DefaultInt32Extension, 123)
+        .SetExtension(UnitTestProtoFile.DefaultInt64Extension, 123)
+        .SetExtension(UnitTestProtoFile.DefaultNestedEnumExtension, TestAllTypes.Types.NestedEnum.FOO)
+        .SetExtension(UnitTestProtoFile.DefaultSfixed32Extension, 123)
+        .SetExtension(UnitTestProtoFile.DefaultSfixed64Extension, 123)
+        .SetExtension(UnitTestProtoFile.DefaultSint32Extension, 123)
+        .SetExtension(UnitTestProtoFile.DefaultSint64Extension, 123)
+        .SetExtension(UnitTestProtoFile.DefaultStringExtension, "123")
+        .SetExtension(UnitTestProtoFile.DefaultStringPieceExtension, "123")
+        .SetExtension(UnitTestProtoFile.DefaultUint32Extension, 123u)
+        .SetExtension(UnitTestProtoFile.DefaultUint64Extension, 123u)
+        //Optional
+        .SetExtension(UnitTestProtoFile.OptionalBoolExtension, true)
+        .SetExtension(UnitTestProtoFile.OptionalBytesExtension, ByteString.CopyFromUtf8("123"))
+        .SetExtension(UnitTestProtoFile.OptionalCordExtension, "123")
+        .SetExtension(UnitTestProtoFile.OptionalDoubleExtension, 123)
+        .SetExtension(UnitTestProtoFile.OptionalFixed32Extension, 123u)
+        .SetExtension(UnitTestProtoFile.OptionalFixed64Extension, 123u)
+        .SetExtension(UnitTestProtoFile.OptionalFloatExtension, 123)
+        .SetExtension(UnitTestProtoFile.OptionalForeignEnumExtension, ForeignEnum.FOREIGN_BAZ)
+        .SetExtension(UnitTestProtoFile.OptionalImportEnumExtension, ImportEnum.IMPORT_BAZ)
+        .SetExtension(UnitTestProtoFile.OptionalInt32Extension, 123)
+        .SetExtension(UnitTestProtoFile.OptionalInt64Extension, 123)
+        .SetExtension(UnitTestProtoFile.OptionalNestedEnumExtension, TestAllTypes.Types.NestedEnum.FOO)
+        .SetExtension(UnitTestProtoFile.OptionalSfixed32Extension, 123)
+        .SetExtension(UnitTestProtoFile.OptionalSfixed64Extension, 123)
+        .SetExtension(UnitTestProtoFile.OptionalSint32Extension, 123)
+        .SetExtension(UnitTestProtoFile.OptionalSint64Extension, 123)
+        .SetExtension(UnitTestProtoFile.OptionalStringExtension, "123")
+        .SetExtension(UnitTestProtoFile.OptionalStringPieceExtension, "123")
+        .SetExtension(UnitTestProtoFile.OptionalUint32Extension, 123u)
+        .SetExtension(UnitTestProtoFile.OptionalUint64Extension, 123u)
+        //Repeated
+        .AddExtension(UnitTestProtoFile.RepeatedBoolExtension, true)
+        .AddExtension(UnitTestProtoFile.RepeatedBytesExtension, ByteString.CopyFromUtf8("123"))
+        .AddExtension(UnitTestProtoFile.RepeatedCordExtension, "123")
+        .AddExtension(UnitTestProtoFile.RepeatedDoubleExtension, 123)
+        .AddExtension(UnitTestProtoFile.RepeatedFixed32Extension, 123u)
+        .AddExtension(UnitTestProtoFile.RepeatedFixed64Extension, 123u)
+        .AddExtension(UnitTestProtoFile.RepeatedFloatExtension, 123)
+        .AddExtension(UnitTestProtoFile.RepeatedForeignEnumExtension, ForeignEnum.FOREIGN_BAZ)
+        .AddExtension(UnitTestProtoFile.RepeatedImportEnumExtension, ImportEnum.IMPORT_BAZ)
+        .AddExtension(UnitTestProtoFile.RepeatedInt32Extension, 123)
+        .AddExtension(UnitTestProtoFile.RepeatedInt64Extension, 123)
+        .AddExtension(UnitTestProtoFile.RepeatedNestedEnumExtension, TestAllTypes.Types.NestedEnum.FOO)
+        .AddExtension(UnitTestProtoFile.RepeatedSfixed32Extension, 123)
+        .AddExtension(UnitTestProtoFile.RepeatedSfixed64Extension, 123)
+        .AddExtension(UnitTestProtoFile.RepeatedSint32Extension, 123)
+        .AddExtension(UnitTestProtoFile.RepeatedSint64Extension, 123)
+        .AddExtension(UnitTestProtoFile.RepeatedStringExtension, "123")
+        .AddExtension(UnitTestProtoFile.RepeatedStringPieceExtension, "123")
+        .AddExtension(UnitTestProtoFile.RepeatedUint32Extension, 123u)
+        .AddExtension(UnitTestProtoFile.RepeatedUint64Extension, 123u)
+        ;
+      TestAllExtensions msg = builder.Build();
+
+      ExtensionRegistry registry = ExtensionRegistry.CreateInstance();
+      UnitTestProtoFile.RegisterAllExtensions(registry);
+
+      TestAllExtensions.Builder copyBuilder = TestAllExtensions.CreateBuilder().MergeFrom(msg.ToByteArray(), registry);
+      TestAllExtensions copy = copyBuilder.Build();
+
+      Assert.AreEqual(msg.ToByteArray(), copy.ToByteArray());
+
+      Assert.AreEqual(true, copy.GetExtension(UnitTestProtoFile.DefaultBoolExtension));
+      Assert.AreEqual(ByteString.CopyFromUtf8("123"), copy.GetExtension(UnitTestProtoFile.DefaultBytesExtension));
+      Assert.AreEqual("123", copy.GetExtension(UnitTestProtoFile.DefaultCordExtension));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestProtoFile.DefaultDoubleExtension));
+      Assert.AreEqual(123u, copy.GetExtension(UnitTestProtoFile.DefaultFixed32Extension));
+      Assert.AreEqual(123u, copy.GetExtension(UnitTestProtoFile.DefaultFixed64Extension));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestProtoFile.DefaultFloatExtension));
+      Assert.AreEqual(ForeignEnum.FOREIGN_BAZ, copy.GetExtension(UnitTestProtoFile.DefaultForeignEnumExtension));
+      Assert.AreEqual(ImportEnum.IMPORT_BAZ, copy.GetExtension(UnitTestProtoFile.DefaultImportEnumExtension));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestProtoFile.DefaultInt32Extension));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestProtoFile.DefaultInt64Extension));
+      Assert.AreEqual(TestAllTypes.Types.NestedEnum.FOO, copy.GetExtension(UnitTestProtoFile.DefaultNestedEnumExtension));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestProtoFile.DefaultSfixed32Extension));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestProtoFile.DefaultSfixed64Extension));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestProtoFile.DefaultSint32Extension));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestProtoFile.DefaultSint64Extension));
+      Assert.AreEqual("123", copy.GetExtension(UnitTestProtoFile.DefaultStringExtension));
+      Assert.AreEqual("123", copy.GetExtension(UnitTestProtoFile.DefaultStringPieceExtension));
+      Assert.AreEqual(123u, copy.GetExtension(UnitTestProtoFile.DefaultUint32Extension));
+      Assert.AreEqual(123u, copy.GetExtension(UnitTestProtoFile.DefaultUint64Extension));
+
+      Assert.AreEqual(true, copy.GetExtension(UnitTestProtoFile.OptionalBoolExtension));
+      Assert.AreEqual(ByteString.CopyFromUtf8("123"), copy.GetExtension(UnitTestProtoFile.OptionalBytesExtension));
+      Assert.AreEqual("123", copy.GetExtension(UnitTestProtoFile.OptionalCordExtension));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestProtoFile.OptionalDoubleExtension));
+      Assert.AreEqual(123u, copy.GetExtension(UnitTestProtoFile.OptionalFixed32Extension));
+      Assert.AreEqual(123u, copy.GetExtension(UnitTestProtoFile.OptionalFixed64Extension));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestProtoFile.OptionalFloatExtension));
+      Assert.AreEqual(ForeignEnum.FOREIGN_BAZ, copy.GetExtension(UnitTestProtoFile.OptionalForeignEnumExtension));
+      Assert.AreEqual(ImportEnum.IMPORT_BAZ, copy.GetExtension(UnitTestProtoFile.OptionalImportEnumExtension));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestProtoFile.OptionalInt32Extension));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestProtoFile.OptionalInt64Extension));
+      Assert.AreEqual(TestAllTypes.Types.NestedEnum.FOO, copy.GetExtension(UnitTestProtoFile.OptionalNestedEnumExtension));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestProtoFile.OptionalSfixed32Extension));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestProtoFile.OptionalSfixed64Extension));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestProtoFile.OptionalSint32Extension));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestProtoFile.OptionalSint64Extension));
+      Assert.AreEqual("123", copy.GetExtension(UnitTestProtoFile.OptionalStringExtension));
+      Assert.AreEqual("123", copy.GetExtension(UnitTestProtoFile.OptionalStringPieceExtension));
+      Assert.AreEqual(123u, copy.GetExtension(UnitTestProtoFile.OptionalUint32Extension));
+      Assert.AreEqual(123u, copy.GetExtension(UnitTestProtoFile.OptionalUint64Extension));
+
+      Assert.AreEqual(true, copy.GetExtension(UnitTestProtoFile.RepeatedBoolExtension, 0));
+      Assert.AreEqual(ByteString.CopyFromUtf8("123"), copy.GetExtension(UnitTestProtoFile.RepeatedBytesExtension, 0));
+      Assert.AreEqual("123", copy.GetExtension(UnitTestProtoFile.RepeatedCordExtension, 0));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestProtoFile.RepeatedDoubleExtension, 0));
+      Assert.AreEqual(123u, copy.GetExtension(UnitTestProtoFile.RepeatedFixed32Extension, 0));
+      Assert.AreEqual(123u, copy.GetExtension(UnitTestProtoFile.RepeatedFixed64Extension, 0));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestProtoFile.RepeatedFloatExtension, 0));
+      Assert.AreEqual(ForeignEnum.FOREIGN_BAZ, copy.GetExtension(UnitTestProtoFile.RepeatedForeignEnumExtension, 0));
+      Assert.AreEqual(ImportEnum.IMPORT_BAZ, copy.GetExtension(UnitTestProtoFile.RepeatedImportEnumExtension, 0));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestProtoFile.RepeatedInt32Extension, 0));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestProtoFile.RepeatedInt64Extension, 0));
+      Assert.AreEqual(TestAllTypes.Types.NestedEnum.FOO, copy.GetExtension(UnitTestProtoFile.RepeatedNestedEnumExtension, 0));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestProtoFile.RepeatedSfixed32Extension, 0));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestProtoFile.RepeatedSfixed64Extension, 0));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestProtoFile.RepeatedSint32Extension, 0));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestProtoFile.RepeatedSint64Extension, 0));
+      Assert.AreEqual("123", copy.GetExtension(UnitTestProtoFile.RepeatedStringExtension, 0));
+      Assert.AreEqual("123", copy.GetExtension(UnitTestProtoFile.RepeatedStringPieceExtension, 0));
+      Assert.AreEqual(123u, copy.GetExtension(UnitTestProtoFile.RepeatedUint32Extension, 0));
+      Assert.AreEqual(123u, copy.GetExtension(UnitTestProtoFile.RepeatedUint64Extension, 0));
+    }
+
+  }
+}
diff --git a/src/ProtocolBuffers.Test/ProtocolBuffers.Test.csproj b/src/ProtocolBuffers.Test/ProtocolBuffers.Test.csproj
index da31cbba..2f1a183c 100644
--- a/src/ProtocolBuffers.Test/ProtocolBuffers.Test.csproj
+++ b/src/ProtocolBuffers.Test/ProtocolBuffers.Test.csproj
@@ -63,6 +63,7 @@
     <Compile Include="DescriptorsTest.cs" />
     <Compile Include="Descriptors\MessageDescriptorTest.cs" />
     <Compile Include="DynamicMessageTest.cs" />
+    <Compile Include="ExtendableMessageTest.cs" />
     <Compile Include="GeneratedMessageTest.cs" />
     <Compile Include="MessageStreamIteratorTest.cs" />
     <Compile Include="MessageStreamWriterTest.cs" />
@@ -80,7 +81,6 @@
     <Compile Include="TestProtos\UnitTestEnormousDescriptorProtoFile.cs" />
     <Compile Include="TestProtos\UnitTestImportLiteProtoFile.cs" />
     <Compile Include="TestProtos\UnitTestImportProtoFile.cs" />
-    <Compile Include="TestProtos\UnitTestLiteImportNonLiteProtoFile.cs" />
     <Compile Include="TestProtos\UnitTestMessageSetProtoFile.cs" />
     <Compile Include="TestProtos\UnitTestNoGenericServicesProtoFile.cs" />
     <Compile Include="TestProtos\UnitTestOptimizeForProtoFile.cs" />
diff --git a/src/ProtocolBuffers.Test/TestProtos/FIXUP.cs b/src/ProtocolBuffers.Test/TestProtos/FIXUP.cs
index 8c30aace..39560fb8 100644
--- a/src/ProtocolBuffers.Test/TestProtos/FIXUP.cs
+++ b/src/ProtocolBuffers.Test/TestProtos/FIXUP.cs
@@ -5,7 +5,7 @@ using System.Text;
 namespace Google.ProtocolBuffers.TestProtos {
   public sealed partial class TestExtremeDefaultValues { 
   
-    //These values are not currently handled by the generator...
+#warning ToDo - These values are not currently handled by the generator...
     const double InfinityD = double.PositiveInfinity;
     const double NaND = double.NaN;
     const float InfinityF = float.PositiveInfinity;
diff --git a/src/ProtocolBuffers.Test/TestProtos/UnitTestLiteImportNonLiteProtoFile.cs b/src/ProtocolBuffers.Test/TestProtos/UnitTestLiteImportNonLiteProtoFile.cs
deleted file mode 100644
index f628f2cc..00000000
--- a/src/ProtocolBuffers.Test/TestProtos/UnitTestLiteImportNonLiteProtoFile.cs
+++ /dev/null
@@ -1,241 +0,0 @@
-// Generated by ProtoGen, Version=0.9.0.0, Culture=neutral, PublicKeyToken=8fd7408b07f8d2cd.  DO NOT EDIT!
-
-using pb = global::Google.ProtocolBuffers;
-using pbc = global::Google.ProtocolBuffers.Collections;
-using pbd = global::Google.ProtocolBuffers.Descriptors;
-using scg = global::System.Collections.Generic;
-namespace Google.ProtocolBuffers.TestProtos {
-  
-  public static partial class UnitTestLiteImportNonLiteProtoFile {
-  
-    #region Extension registration
-    public static void RegisterAllExtensions(pb::ExtensionRegistry registry) {
-    }
-    #endregion
-    #region Static variables
-    #endregion
-    #region Extensions
-    internal static readonly object Descriptor;
-    static UnitTestLiteImportNonLiteProtoFile() {
-      Descriptor = null;
-    }
-    #endregion
-    
-  }
-  #region Messages
-  public sealed partial class TestLiteImportsNonlite : pb::GeneratedMessageLite<TestLiteImportsNonlite, TestLiteImportsNonlite.Builder> {
-    private static readonly TestLiteImportsNonlite defaultInstance = new Builder().BuildPartial();
-    public static TestLiteImportsNonlite DefaultInstance {
-      get { return defaultInstance; }
-    }
-    
-    public override TestLiteImportsNonlite DefaultInstanceForType {
-      get { return defaultInstance; }
-    }
-    
-    protected override TestLiteImportsNonlite ThisMessage {
-      get { return this; }
-    }
-    
-    public const int MessageFieldNumber = 1;
-    private bool hasMessage;
-    private global::Google.ProtocolBuffers.TestProtos.TestAllTypes message_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.DefaultInstance;
-    public bool HasMessage {
-      get { return hasMessage; }
-    }
-    public global::Google.ProtocolBuffers.TestProtos.TestAllTypes Message {
-      get { return message_; }
-    }
-    
-    public override bool IsInitialized {
-      get {
-        return true;
-      }
-    }
-    
-    public override void WriteTo(pb::CodedOutputStream output) {
-      int size = SerializedSize;
-      if (HasMessage) {
-        output.WriteMessage(1, Message);
-      }
-    }
-    
-    private int memoizedSerializedSize = -1;
-    public override int SerializedSize {
-      get {
-        int size = memoizedSerializedSize;
-        if (size != -1) return size;
-        
-        size = 0;
-        if (HasMessage) {
-          size += pb::CodedOutputStream.ComputeMessageSize(1, Message);
-        }
-        memoizedSerializedSize = size;
-        return size;
-      }
-    }
-    
-    public static TestLiteImportsNonlite ParseFrom(pb::ByteString data) {
-      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
-    }
-    public static TestLiteImportsNonlite ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
-      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
-    }
-    public static TestLiteImportsNonlite ParseFrom(byte[] data) {
-      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
-    }
-    public static TestLiteImportsNonlite ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
-      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
-    }
-    public static TestLiteImportsNonlite ParseFrom(global::System.IO.Stream input) {
-      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
-    }
-    public static TestLiteImportsNonlite ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
-      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
-    }
-    public static TestLiteImportsNonlite ParseDelimitedFrom(global::System.IO.Stream input) {
-      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
-    }
-    public static TestLiteImportsNonlite ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
-      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
-    }
-    public static TestLiteImportsNonlite ParseFrom(pb::CodedInputStream input) {
-      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
-    }
-    public static TestLiteImportsNonlite ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
-      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
-    }
-    public static Builder CreateBuilder() { return new Builder(); }
-    public override Builder ToBuilder() { return CreateBuilder(this); }
-    public override Builder CreateBuilderForType() { return new Builder(); }
-    public static Builder CreateBuilder(TestLiteImportsNonlite prototype) {
-      return (Builder) new Builder().MergeFrom(prototype);
-    }
-    
-    public sealed partial class Builder : pb::GeneratedBuilderLite<TestLiteImportsNonlite, Builder> {
-      protected override Builder ThisBuilder {
-        get { return this; }
-      }
-      public Builder() {}
-      
-      TestLiteImportsNonlite result = new TestLiteImportsNonlite();
-      
-      protected override TestLiteImportsNonlite MessageBeingBuilt {
-        get { return result; }
-      }
-      
-      public override Builder Clear() {
-        result = new TestLiteImportsNonlite();
-        return this;
-      }
-      
-      public override Builder Clone() {
-        return new Builder().MergeFrom(result);
-      }
-      
-      public override TestLiteImportsNonlite DefaultInstanceForType {
-        get { return global::Google.ProtocolBuffers.TestProtos.TestLiteImportsNonlite.DefaultInstance; }
-      }
-      
-      public override TestLiteImportsNonlite BuildPartial() {
-        if (result == null) {
-          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
-        }
-        TestLiteImportsNonlite returnMe = result;
-        result = null;
-        return returnMe;
-      }
-      
-      public override Builder MergeFrom(pb::IMessageLite other) {
-        if (other is TestLiteImportsNonlite) {
-          return MergeFrom((TestLiteImportsNonlite) other);
-        } else {
-          base.MergeFrom(other);
-          return this;
-        }
-      }
-      
-      public override Builder MergeFrom(TestLiteImportsNonlite other) {
-        if (other == global::Google.ProtocolBuffers.TestProtos.TestLiteImportsNonlite.DefaultInstance) return this;
-        if (other.HasMessage) {
-          MergeMessage(other.Message);
-        }
-        return this;
-      }
-      
-      public override Builder MergeFrom(pb::CodedInputStream input) {
-        return MergeFrom(input, pb::ExtensionRegistry.Empty);
-      }
-      
-      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
-        while (true) {
-          uint tag = input.ReadTag();
-          switch (tag) {
-            case 0: {
-              return this;
-            }
-            default: {
-              if (pb::WireFormat.IsEndGroupTag(tag)) {
-                return this;
-              }
-              ParseUnknownField(input, extensionRegistry, tag);
-              break;
-            }
-            case 10: {
-              global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.CreateBuilder();
-              if (HasMessage) {
-                subBuilder.MergeFrom(Message);
-              }
-              input.ReadMessage(subBuilder, extensionRegistry);
-              Message = subBuilder.BuildPartial();
-              break;
-            }
-          }
-        }
-      }
-      
-      
-      public bool HasMessage {
-       get { return result.HasMessage; }
-      }
-      public global::Google.ProtocolBuffers.TestProtos.TestAllTypes Message {
-        get { return result.Message; }
-        set { SetMessage(value); }
-      }
-      public Builder SetMessage(global::Google.ProtocolBuffers.TestProtos.TestAllTypes value) {
-        pb::ThrowHelper.ThrowIfNull(value, "value");
-        result.hasMessage = true;
-        result.message_ = value;
-        return this;
-      }
-      public Builder SetMessage(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Builder builderForValue) {
-        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
-        result.hasMessage = true;
-        result.message_ = builderForValue.Build();
-        return this;
-      }
-      public Builder MergeMessage(global::Google.ProtocolBuffers.TestProtos.TestAllTypes value) {
-        pb::ThrowHelper.ThrowIfNull(value, "value");
-        if (result.HasMessage &&
-            result.message_ != global::Google.ProtocolBuffers.TestProtos.TestAllTypes.DefaultInstance) {
-            result.message_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.CreateBuilder(result.message_).MergeFrom(value).BuildPartial();
-        } else {
-          result.message_ = value;
-        }
-        result.hasMessage = true;
-        return this;
-      }
-      public Builder ClearMessage() {
-        result.hasMessage = false;
-        result.message_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.DefaultInstance;
-        return this;
-      }
-    }
-    static TestLiteImportsNonlite() {
-      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestLiteImportNonLiteProtoFile.Descriptor, null);
-    }
-  }
-  
-  #endregion
-  
-}
diff --git a/src/ProtocolBuffers.sln b/src/ProtocolBuffers.sln
index 3c46b881..9b6cd382 100644
--- a/src/ProtocolBuffers.sln
+++ b/src/ProtocolBuffers.sln
@@ -38,6 +38,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "unittest", "unittest", "{C8
 		..\protos\google\protobuf\unittest_embed_optimize_for.proto = ..\protos\google\protobuf\unittest_embed_optimize_for.proto
 		..\protos\google\protobuf\unittest_empty.proto = ..\protos\google\protobuf\unittest_empty.proto
 		..\protos\google\protobuf\unittest_enormous_descriptor.proto = ..\protos\google\protobuf\unittest_enormous_descriptor.proto
+		..\protos\extest\unittest_extras_lite.proto = ..\protos\extest\unittest_extras_lite.proto
 		..\protos\google\protobuf\unittest_import.proto = ..\protos\google\protobuf\unittest_import.proto
 		..\protos\google\protobuf\unittest_import_lite.proto = ..\protos\google\protobuf\unittest_import_lite.proto
 		..\protos\google\protobuf\unittest_lite.proto = ..\protos\google\protobuf\unittest_lite.proto
@@ -47,6 +48,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "unittest", "unittest", "{C8
 		..\protos\google\protobuf\unittest_optimize_for.proto = ..\protos\google\protobuf\unittest_optimize_for.proto
 	EndProjectSection
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ProtocolBuffersLiteMixed.Test", "ProtocolBuffersLite.Test\ProtocolBuffersLiteMixed.Test.csproj", "{EEFFED24-3750-4567-9A23-1DB676A15610}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -114,6 +117,12 @@ Global
 		{EE01ED24-3750-4567-9A23-1DB676A15610}.Release|Any CPU.Build.0 = Release|Any CPU
 		{EE01ED24-3750-4567-9A23-1DB676A15610}.Silverlight2|Any CPU.ActiveCfg = Silverlight2|Any CPU
 		{EE01ED24-3750-4567-9A23-1DB676A15610}.Silverlight2|Any CPU.Build.0 = Silverlight2|Any CPU
+		{EEFFED24-3750-4567-9A23-1DB676A15610}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{EEFFED24-3750-4567-9A23-1DB676A15610}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{EEFFED24-3750-4567-9A23-1DB676A15610}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{EEFFED24-3750-4567-9A23-1DB676A15610}.Release|Any CPU.Build.0 = Release|Any CPU
+		{EEFFED24-3750-4567-9A23-1DB676A15610}.Silverlight2|Any CPU.ActiveCfg = Silverlight2|Any CPU
+		{EEFFED24-3750-4567-9A23-1DB676A15610}.Silverlight2|Any CPU.Build.0 = Silverlight2|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/src/ProtocolBuffers/AbstractBuilder.cs b/src/ProtocolBuffers/AbstractBuilder.cs
index 381e3ab4..d613eca4 100644
--- a/src/ProtocolBuffers/AbstractBuilder.cs
+++ b/src/ProtocolBuffers/AbstractBuilder.cs
@@ -72,7 +72,10 @@ namespace Google.ProtocolBuffers {
     }
 
     public sealed override TBuilder MergeFrom(IMessageLite other) {
-      return MergeFrom((IMessage)other);
+      if (other is IMessage) {
+        return MergeFrom((IMessage) other);
+      }
+      throw new ArgumentException("MergeFrom(Message) can only merge messages of the same type.");
     }
 
     /// <summary>
@@ -112,13 +115,13 @@ namespace Google.ProtocolBuffers {
           }
         } else if (field.MappedType == MappedType.Message) {
           // Merge singular messages
-          IMessage existingValue = (IMessage) this[field];
+          IMessageLite existingValue = (IMessageLite)this[field];
           if (existingValue == existingValue.WeakDefaultInstanceForType) {
             this[field] = entry.Value;
           } else {
             this[field] = existingValue.WeakCreateBuilderForType()
                                        .WeakMergeFrom(existingValue)
-                                       .WeakMergeFrom((IMessage) entry.Value)
+                                       .WeakMergeFrom((IMessageLite)entry.Value)
                                        .WeakBuild();
           }
         } else {
diff --git a/src/ProtocolBuffers/AbstractMessage.cs b/src/ProtocolBuffers/AbstractMessage.cs
index 44864302..e2cf3827 100644
--- a/src/ProtocolBuffers/AbstractMessage.cs
+++ b/src/ProtocolBuffers/AbstractMessage.cs
@@ -81,13 +81,13 @@ namespace Google.ProtocolBuffers {
             if (field.IsRepeated) {
               // We know it's an IList<T>, but not the exact type - so
               // IEnumerable is the best we can do. (C# generics aren't covariant yet.)
-              foreach (IMessage element in (IEnumerable) entry.Value) {
+              foreach (IMessageLite element in (IEnumerable)entry.Value) {
                 if (!element.IsInitialized) {
                   return false;
                 }
               }
             } else {
-              if (!((IMessage)entry.Value).IsInitialized) {
+              if (!((IMessageLite)entry.Value).IsInitialized) {
                 return false;
               }
             }
diff --git a/src/ProtocolBuffers/Descriptors/FieldMappingAttribute.cs b/src/ProtocolBuffers/Descriptors/FieldMappingAttribute.cs
index e62360fc..b0bf5de1 100644
--- a/src/ProtocolBuffers/Descriptors/FieldMappingAttribute.cs
+++ b/src/ProtocolBuffers/Descriptors/FieldMappingAttribute.cs
@@ -30,6 +30,8 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 using System;
+using System.Collections.Generic;
+using Google.ProtocolBuffers.Collections;
 
 namespace Google.ProtocolBuffers.Descriptors {
 
@@ -46,5 +48,29 @@ namespace Google.ProtocolBuffers.Descriptors {
 
     internal MappedType MappedType { get; private set; }
     internal WireFormat.WireType WireType { get; private set; }
+
+
+    /// <summary>
+    /// Immutable mapping from field type to mapped type. Built using the attributes on
+    /// FieldType values.
+    /// </summary>
+    static readonly IDictionary<FieldType, FieldMappingAttribute> FieldTypeToMappedTypeMap = MapFieldTypes();
+
+    private static IDictionary<FieldType, FieldMappingAttribute> MapFieldTypes() {
+      var map = new Dictionary<FieldType, FieldMappingAttribute>();
+      foreach (System.Reflection.FieldInfo field in typeof(FieldType).GetFields(System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public)) {
+        FieldType fieldType = (FieldType)field.GetValue(null);
+        FieldMappingAttribute mapping = (FieldMappingAttribute)field.GetCustomAttributes(typeof(FieldMappingAttribute), false)[0];
+        map[fieldType] = mapping;
+      }
+      return Dictionaries.AsReadOnly(map);
+    }
+
+    internal static MappedType MappedTypeFromFieldType(FieldType type) {
+      return FieldTypeToMappedTypeMap[type].MappedType;
+    }
+    internal static WireFormat.WireType WireTypeFromFieldType(FieldType type, bool packed) {
+      return packed ? WireFormat.WireType.LengthDelimited : FieldTypeToMappedTypeMap[type].WireType;
+    }
   }
 }
diff --git a/src/ProtocolBuffers/DynamicMessage.cs b/src/ProtocolBuffers/DynamicMessage.cs
index 34a50c5b..44fe0f39 100644
--- a/src/ProtocolBuffers/DynamicMessage.cs
+++ b/src/ProtocolBuffers/DynamicMessage.cs
@@ -295,7 +295,8 @@ namespace Google.ProtocolBuffers {
       }
 
       public override Builder MergeFrom(DynamicMessage other) {
-        return MergeFrom((IMessage)other);
+        IMessage downcast = other;
+        return MergeFrom(downcast);
       }
 
       public override DynamicMessage Build() {
diff --git a/src/ProtocolBuffers/EnumLite.cs b/src/ProtocolBuffers/EnumLite.cs
index 0418d77e..ab13c9ab 100644
--- a/src/ProtocolBuffers/EnumLite.cs
+++ b/src/ProtocolBuffers/EnumLite.cs
@@ -68,16 +68,13 @@ namespace Google.ProtocolBuffers {
   public class EnumLiteMap<TEnum> : IEnumLiteMap<IEnumLite>
     where TEnum : struct, IComparable, IFormattable {
     
-    struct EnumValue : IEnumLite, IComparable<IEnumLite> {
-      int _value;
+    struct EnumValue : IEnumLite {
+      readonly int value;
       public EnumValue(int value) {
-        _value = value;
+        this.value = value;
       }
       int IEnumLite.Number {
-        get { return _value; }
-      }
-      int IComparable<IEnumLite>.CompareTo(IEnumLite other) {
-        return _value.CompareTo(other.Number);
+        get { return value; }
       }
     }
 
diff --git a/src/ProtocolBuffers/ExtendableBuilder.cs b/src/ProtocolBuffers/ExtendableBuilder.cs
index 803ceb1e..ad97cdc4 100644
--- a/src/ProtocolBuffers/ExtendableBuilder.cs
+++ b/src/ProtocolBuffers/ExtendableBuilder.cs
@@ -94,21 +94,21 @@ namespace Google.ProtocolBuffers {
     /// <summary>
     /// Appends a value to a repeated extension.
     /// </summary>
-    public ExtendableBuilder<TMessage, TBuilder> AddExtension<TExtension>(GeneratedExtensionBase<IList<TExtension>> extension, TExtension value) {
+    public TBuilder AddExtension<TExtension>(GeneratedExtensionBase<IList<TExtension>> extension, TExtension value) {
       ExtendableMessage<TMessage, TBuilder> message = MessageBeingBuilt;
       message.VerifyExtensionContainingType(extension);
       message.Extensions.AddRepeatedField(extension.Descriptor, extension.SingularToReflectionType(value));
-      return this;
+      return ThisBuilder;
     }
 
     /// <summary>
     /// Clears an extension.
     /// </summary>
-    public ExtendableBuilder<TMessage, TBuilder> ClearExtension<TExtension>(GeneratedExtensionBase<TExtension> extension) {
+    public TBuilder ClearExtension<TExtension>(GeneratedExtensionBase<TExtension> extension) {
       ExtendableMessage<TMessage, TBuilder> message = MessageBeingBuilt;
       message.VerifyExtensionContainingType(extension);
       message.Extensions.ClearField(extension.Descriptor);
-      return this;
+      return ThisBuilder;
     }
 
     /// <summary>
diff --git a/src/ProtocolBuffers/ExtendableBuilderLite.cs b/src/ProtocolBuffers/ExtendableBuilderLite.cs
index df0323ba..b3d37eda 100644
--- a/src/ProtocolBuffers/ExtendableBuilderLite.cs
+++ b/src/ProtocolBuffers/ExtendableBuilderLite.cs
@@ -34,6 +34,7 @@
 
 using System;
 using System.Collections.Generic;
+using Google.ProtocolBuffers.Descriptors;
 
 namespace Google.ProtocolBuffers {
   public abstract class ExtendableBuilderLite<TMessage, TBuilder> : GeneratedBuilderLite<TMessage, TBuilder>
@@ -93,21 +94,21 @@ namespace Google.ProtocolBuffers {
     /// <summary>
     /// Appends a value to a repeated extension.
     /// </summary>
-    public ExtendableBuilderLite<TMessage, TBuilder> AddExtension<TExtension>(GeneratedExtensionLite<TMessage, IList<TExtension>> extension, TExtension value) {
+    public TBuilder AddExtension<TExtension>(GeneratedExtensionLite<TMessage, IList<TExtension>> extension, TExtension value) {
       ExtendableMessageLite<TMessage, TBuilder> message = MessageBeingBuilt;
       message.VerifyExtensionContainingType(extension);
       message.Extensions.AddRepeatedField(extension.Descriptor, extension.SingularToReflectionType(value));
-      return this;
+      return ThisBuilder;
     }
 
     /// <summary>
     /// Clears an extension.
     /// </summary>
-    public ExtendableBuilderLite<TMessage, TBuilder> ClearExtension<TExtension>(GeneratedExtensionLite<TMessage, TExtension> extension) {
+    public TBuilder ClearExtension<TExtension>(GeneratedExtensionLite<TMessage, TExtension> extension) {
       ExtendableMessageLite<TMessage, TBuilder> message = MessageBeingBuilt;
       message.VerifyExtensionContainingType(extension);
       message.Extensions.ClearField(extension.Descriptor);
-      return this;
+      return ThisBuilder;
     }
 
     /// <summary>
@@ -117,11 +118,99 @@ namespace Google.ProtocolBuffers {
     [CLSCompliant(false)]
     protected override bool ParseUnknownField(CodedInputStream input,
         ExtensionRegistry extensionRegistry, uint tag) {
-      return input.SkipField(tag);
+      FieldSet extensions = MessageBeingBuilt.Extensions;
+
+      WireFormat.WireType wireType = WireFormat.GetTagWireType(tag);
+      int fieldNumber = WireFormat.GetTagFieldNumber(tag);
+      IGeneratedExtensionLite extension = extensionRegistry[DefaultInstanceForType, fieldNumber];
+
+      bool unknown = false;
+      bool packed = false;
+      if (extension == null) {
+        unknown = true;  // Unknown field.
+      } else if (wireType == FieldMappingAttribute.WireTypeFromFieldType(extension.Descriptor.FieldType, false /* isPacked */)) {
+        packed = false;  // Normal, unpacked value.
+      } else if (extension.Descriptor.IsRepeated &&
+                 //?? just returns true ?? extension.Descriptor.type.isPackable() &&
+                 wireType == FieldMappingAttribute.WireTypeFromFieldType(extension.Descriptor.FieldType, true /* isPacked */)) {
+        packed = true;  // Packed value.
+      } else {
+        unknown = true;  // Wrong wire type.
+      }
+
+      if (unknown) {  // Unknown field or wrong wire type.  Skip.
+        return input.SkipField(tag);
+      }
+
+      if (packed) {
+        int length = (int)Math.Min(int.MaxValue, input.ReadRawVarint32());
+        int limit = input.PushLimit(length);
+        if (extension.Descriptor.FieldType == FieldType.Enum) {
+          while (!input.ReachedLimit) {
+            int rawValue = input.ReadEnum();
+            Object value =
+                extension.Descriptor.EnumType.FindValueByNumber(rawValue);
+            if (value == null) {
+              // If the number isn't recognized as a valid value for this
+              // enum, drop it (don't even add it to unknownFields).
+              return true;
+            }
+            extensions.AddRepeatedField(extension.Descriptor, value);
+          }
+        } else {
+          while (!input.ReachedLimit) {
+            Object value = input.ReadPrimitiveField(extension.Descriptor.FieldType);
+            extensions.AddRepeatedField(extension.Descriptor, value);
+          }
+        }
+        input.PopLimit(limit);
+      } else {
+        Object value;
+        switch (extension.Descriptor.MappedType) {
+          case MappedType.Message: {
+            IBuilderLite subBuilder = null;
+            if (!extension.Descriptor.IsRepeated) {
+              IMessageLite existingValue = extensions[extension.Descriptor] as IMessageLite;
+              if (existingValue != null) {
+                subBuilder = existingValue.WeakToBuilder();
+              }
+            }
+            if (subBuilder == null) {
+              subBuilder = extension.MessageDefaultInstance.WeakCreateBuilderForType();
+            }
+            if (extension.Descriptor.FieldType == FieldType.Group) {
+              input.ReadGroup(extension.Number, subBuilder, extensionRegistry);
+            } else {
+              input.ReadMessage(subBuilder, extensionRegistry);
+            }
+            value = subBuilder.WeakBuild();
+            break;
+          }
+          case MappedType.Enum:
+            int rawValue = input.ReadEnum();
+            value = extension.Descriptor.EnumType.FindValueByNumber(rawValue);
+            // If the number isn't recognized as a valid value for this enum,
+            // drop it.
+            if (value == null) {
+              return true;
+            }
+            break;
+          default:
+            value = input.ReadPrimitiveField(extension.Descriptor.FieldType);
+            break;
+        }
+
+        if (extension.Descriptor.IsRepeated) {
+          extensions.AddRepeatedField(extension.Descriptor, value);
+        } else {
+          extensions[extension.Descriptor] = value;
+        }
+      }
+
+      return true;
     }
 
-    // ---------------------------------------------------------------
-    // Reflection
+    #region Reflection
 
     public object this[IFieldDescriptorLite field, int index] {
       set {
@@ -168,5 +257,6 @@ namespace Google.ProtocolBuffers {
     protected void MergeExtensionFields(ExtendableMessageLite<TMessage, TBuilder> other) {
       MessageBeingBuilt.Extensions.MergeFrom(other.Extensions);
     }
+    #endregion
   }
 }
diff --git a/src/ProtocolBuffers/ExtensionInfo.cs b/src/ProtocolBuffers/ExtensionInfo.cs
index 43dd5158..482f006a 100644
--- a/src/ProtocolBuffers/ExtensionInfo.cs
+++ b/src/ProtocolBuffers/ExtensionInfo.cs
@@ -42,7 +42,9 @@ namespace Google.ProtocolBuffers
     /// </summary>
     public FieldDescriptor Descriptor { get; private set; }
 
-    /// <summary>
+    IFieldDescriptorLite IGeneratedExtensionLite.Descriptor { get { return Descriptor; } }
+
+      /// <summary>
     /// A default instance of the extensions's type, if it has a message type,
     /// or null otherwise.
     /// </summary>
diff --git a/src/ProtocolBuffers/FieldAccess/RepeatedMessageAccessor.cs b/src/ProtocolBuffers/FieldAccess/RepeatedMessageAccessor.cs
index 893b0285..df6680cb 100644
--- a/src/ProtocolBuffers/FieldAccess/RepeatedMessageAccessor.cs
+++ b/src/ProtocolBuffers/FieldAccess/RepeatedMessageAccessor.cs
@@ -71,7 +71,7 @@ namespace Google.ProtocolBuffers.FieldAccess {
       }
 
       // No... so let's create a builder of the right type, and merge the value in.
-      IMessage message = (IMessage) value;
+      IMessageLite message = (IMessageLite) value;
       return CreateBuilder().WeakMergeFrom(message).WeakBuild();
     }
 
diff --git a/src/ProtocolBuffers/FieldAccess/SingleMessageAccessor.cs b/src/ProtocolBuffers/FieldAccess/SingleMessageAccessor.cs
index ea422c94..838bc5a2 100644
--- a/src/ProtocolBuffers/FieldAccess/SingleMessageAccessor.cs
+++ b/src/ProtocolBuffers/FieldAccess/SingleMessageAccessor.cs
@@ -67,7 +67,7 @@ namespace Google.ProtocolBuffers.FieldAccess {
       }
       
       // No... so let's create a builder of the right type, and merge the value in.
-      IMessage message = (IMessage) value;
+      IMessageLite message = (IMessageLite) value;
       return CreateBuilder().WeakMergeFrom(message).WeakBuild();
     }
 
diff --git a/src/ProtocolBuffers/FieldSet.cs b/src/ProtocolBuffers/FieldSet.cs
index 3ac3e3d3..838d0568 100644
--- a/src/ProtocolBuffers/FieldSet.cs
+++ b/src/ProtocolBuffers/FieldSet.cs
@@ -486,7 +486,9 @@ namespace Google.ProtocolBuffers {
           IMessageLite messageValue = value as IMessageLite;
           isValid = messageValue != null;
 #if !LITE
-          isValid = isValid && ((IMessage)messageValue).DescriptorForType == ((Google.ProtocolBuffers.Descriptors.FieldDescriptor)field).MessageType;
+          if (isValid && messageValue is IMessage && field is FieldDescriptor) {
+            isValid = ((IMessage) messageValue).DescriptorForType == ((FieldDescriptor) field).MessageType;
+          }
 #endif
           break;
       }
diff --git a/src/ProtocolBuffers/GeneratedBuilder.cs b/src/ProtocolBuffers/GeneratedBuilder.cs
index 1124fc86..01d3d2dd 100644
--- a/src/ProtocolBuffers/GeneratedBuilder.cs
+++ b/src/ProtocolBuffers/GeneratedBuilder.cs
@@ -148,10 +148,10 @@ namespace Google.ProtocolBuffers {
           }
         } else if (field.MappedType == MappedType.Message && HasField(field)) {
           // Merge singular embedded messages
-          IMessage oldValue = (IMessage)this[field];
+          IMessageLite oldValue = (IMessageLite)this[field];
           this[field] = oldValue.WeakCreateBuilderForType()
               .WeakMergeFrom(oldValue)
-              .WeakMergeFrom((IMessage)entry.Value)
+              .WeakMergeFrom((IMessageLite)entry.Value)
               .WeakBuildPartial();
         } else {
           // Just overwrite
diff --git a/src/ProtocolBuffers/GeneratedExtensionBase.cs b/src/ProtocolBuffers/GeneratedExtensionBase.cs
index 9896a462..36da58e6 100644
--- a/src/ProtocolBuffers/GeneratedExtensionBase.cs
+++ b/src/ProtocolBuffers/GeneratedExtensionBase.cs
@@ -80,6 +80,7 @@ namespace Google.ProtocolBuffers {
         if (defaultInstanceProperty == null) {
           throw new ArgumentException("No public static DefaultInstance property for type " + typeof(TExtension).Name);
         }
+#warning ToDo - Invalid cast, could be IMessageLite
         messageDefaultInstance = (IMessage)defaultInstanceProperty.GetValue(null, null);
       }
     }
@@ -112,7 +113,7 @@ namespace Google.ProtocolBuffers {
             // This should not happen in normal use.  But, to be nice, we'll
             // copy the message to whatever type the caller was expecting.
             return MessageDefaultInstance.WeakCreateBuilderForType()
-                           .WeakMergeFrom((IMessage)value).WeakBuild();
+                           .WeakMergeFrom((IMessageLite)value).WeakBuild();
           }
         case MappedType.Enum:
           // Just return a boxed int - that can be unboxed to the enum
diff --git a/src/ProtocolBuffers/GeneratedExtensionLite.cs b/src/ProtocolBuffers/GeneratedExtensionLite.cs
index 87009cf8..a26088f8 100644
--- a/src/ProtocolBuffers/GeneratedExtensionLite.cs
+++ b/src/ProtocolBuffers/GeneratedExtensionLite.cs
@@ -44,25 +44,10 @@ namespace Google.ProtocolBuffers {
     int Number { get; }
     object ContainingType { get; }
     IMessageLite MessageDefaultInstance { get; }
+    IFieldDescriptorLite Descriptor { get; }
   }
 
   public class ExtensionDescriptorLite : IFieldDescriptorLite {
-    /// <summary>
-    /// Immutable mapping from field type to mapped type. Built using the attributes on
-    /// FieldType values.
-    /// </summary>
-    public static readonly IDictionary<FieldType, MappedType> FieldTypeToMappedTypeMap = MapFieldTypes();
-
-    private static IDictionary<FieldType, MappedType> MapFieldTypes() {
-      var map = new Dictionary<FieldType, MappedType>();
-      foreach (System.Reflection.FieldInfo field in typeof(FieldType).GetFields(System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public)) {
-        FieldType fieldType = (FieldType)field.GetValue(null);
-        FieldMappingAttribute mapping = (FieldMappingAttribute)field.GetCustomAttributes(typeof(FieldMappingAttribute), false)[0];
-        map[fieldType] = mapping.MappedType;
-      }
-      return Dictionaries.AsReadOnly(map);
-    }
-
     private readonly IEnumLiteMap enumTypeMap;
     private readonly int number;
     private readonly FieldType type;
@@ -75,7 +60,7 @@ namespace Google.ProtocolBuffers {
       this.enumTypeMap = enumTypeMap;
       this.number = number;
       this.type = type;
-      this.mapType = FieldTypeToMappedTypeMap[type];
+      this.mapType = FieldMappingAttribute.MappedTypeFromFieldType(type);
       this.isRepeated = isRepeated;
       this.isPacked = isPacked;
       this.defaultValue = defaultValue;
@@ -99,7 +84,7 @@ namespace Google.ProtocolBuffers {
 
 #warning ToDo - Discover the meaning and purpose of this durring serialization and return the correct value
     public bool MessageSetWireFormat {
-      get { return true; }
+      get { return false; }
     }
 
     public int FieldNumber {
@@ -135,11 +120,11 @@ namespace Google.ProtocolBuffers {
     }
 
     public override object ToReflectionType(object value) {
-        IList<TExtensionType> result = new List<TExtensionType>();
-        foreach (object element in (IEnumerable)value) {
-          result.Add((TExtensionType)SingularToReflectionType(element));
-        }
-        return result;
+      IList<object> result = new List<object>();
+      foreach (object element in (IEnumerable) value) {
+        result.Add(SingularToReflectionType(element));
+      }
+      return result;
     }
 
     public override object FromReflectionType(object value) {
@@ -191,6 +176,7 @@ namespace Google.ProtocolBuffers {
             false /* isRepeated */, false /* isPacked */)) {
     }
 
+    private static readonly IList<object> Empty = new object[0];
     /** Repeating fields: For use by generated code only. */
     protected GeneratedExtensionLite(
       TContainingType containingTypeDefaultInstance,
@@ -201,7 +187,7 @@ namespace Google.ProtocolBuffers {
       FieldType type,
       bool isPacked)
       : this(containingTypeDefaultInstance, defaultValue, messageDefaultInstance,
-          new ExtensionDescriptorLite(enumTypeMap, number, type, defaultValue,
+          new ExtensionDescriptorLite(enumTypeMap, number, type, Empty,
             true /* isRepeated */, isPacked)) {
     }
 
diff --git a/src/ProtocolBuffers/GeneratedMessage.cs b/src/ProtocolBuffers/GeneratedMessage.cs
index d60f2b9c..fe1188b6 100644
--- a/src/ProtocolBuffers/GeneratedMessage.cs
+++ b/src/ProtocolBuffers/GeneratedMessage.cs
@@ -99,13 +99,13 @@ namespace Google.ProtocolBuffers {
             if (field.IsRepeated) {
               // We know it's an IList<T>, but not the exact type - so
               // IEnumerable is the best we can do. (C# generics aren't covariant yet.)
-              foreach (IMessage element in (IEnumerable) this[field]) {
+              foreach (IMessageLite element in (IEnumerable) this[field]) {
                 if (!element.IsInitialized) {
                   return false;
                 }
               }
             } else {
-              if (HasField(field) && !((IMessage) this[field]).IsInitialized) {
+              if (HasField(field) && !((IMessageLite) this[field]).IsInitialized) {
                 return false;
               }
             }
diff --git a/src/ProtocolBuffers/TextFormat.cs b/src/ProtocolBuffers/TextFormat.cs
index 5f07e693..81033087 100644
--- a/src/ProtocolBuffers/TextFormat.cs
+++ b/src/ProtocolBuffers/TextFormat.cs
@@ -176,7 +176,11 @@ namespace Google.ProtocolBuffers {
 
         case FieldType.Message:
         case FieldType.Group:
-          Print((IMessage) value, generator);
+          if (value is IMessage) {
+            Print((IMessage)value, generator);
+          } else {
+#warning ToDo - What do we print for IMessageLite?
+          }
           break;
       }
     }
diff --git a/src/ProtocolBuffers/UninitializedMessageException.cs b/src/ProtocolBuffers/UninitializedMessageException.cs
index 12db07df..c5bcd822 100644
--- a/src/ProtocolBuffers/UninitializedMessageException.cs
+++ b/src/ProtocolBuffers/UninitializedMessageException.cs
@@ -124,7 +124,7 @@ namespace Google.ProtocolBuffers {
       foreach (KeyValuePair<FieldDescriptor, object> entry in message.AllFields) {
         FieldDescriptor field = entry.Key;
         object value = entry.Value;
-
+#warning ToDo - bad assumption, could be IMessageLite
         if (field.MappedType == MappedType.Message) {
           if (field.IsRepeated) {
             int i = 0;
diff --git a/src/ProtocolBuffers/UnknownFieldSet.cs b/src/ProtocolBuffers/UnknownFieldSet.cs
index a3e6d7e7..515637cc 100644
--- a/src/ProtocolBuffers/UnknownFieldSet.cs
+++ b/src/ProtocolBuffers/UnknownFieldSet.cs
@@ -578,14 +578,14 @@ namespace Google.ProtocolBuffers {
           switch (field.FieldType) {
             case FieldType.Group:
             case FieldType.Message: {
-                IBuilder subBuilder;
+                IBuilderLite subBuilder;
                 if (defaultFieldInstance != null) {
                   subBuilder = defaultFieldInstance.WeakCreateBuilderForType();
                 } else {
                   subBuilder = builder.CreateBuilderForField(field);
                 }
                 if (!field.IsRepeated) {
-                  subBuilder.WeakMergeFrom((IMessage)builder[field]);
+                  subBuilder.WeakMergeFrom((IMessageLite)builder[field]);
                 }
                 if (field.FieldType == FieldType.Group) {
                   input.ReadGroup(field.FieldNumber, subBuilder, extensionRegistry);
@@ -661,7 +661,7 @@ namespace Google.ProtocolBuffers {
               if (extension != null) {
                 field = extension.Descriptor;
                 subBuilder = extension.DefaultInstance.WeakCreateBuilderForType();
-                IMessage originalMessage = (IMessage)builder[field];
+                IMessageLite originalMessage = (IMessageLite)builder[field];
                 if (originalMessage != null) {
                   subBuilder.WeakMergeFrom(originalMessage);
                 }
diff --git a/src/ProtocolBuffersLite.Test/AbstractBuilderLiteTest.cs b/src/ProtocolBuffersLite.Test/AbstractBuilderLiteTest.cs
new file mode 100644
index 00000000..c7836d4e
--- /dev/null
+++ b/src/ProtocolBuffersLite.Test/AbstractBuilderLiteTest.cs
@@ -0,0 +1,151 @@
+#region Copyright notice and license
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://github.com/jskeet/dotnet-protobufs/
+// Original C++/Java/Python code:
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+using Google.ProtocolBuffers;
+using Google.ProtocolBuffers.TestProtos;
+using NUnit.Framework;
+
+namespace Google.ProtocolBuffers {
+  [TestFixture]
+  public class AbstractBuilderLiteTest {
+
+    [Test]
+    public void TestMergeFromCodedInputStream() {
+      TestAllTypesLite copy, msg = TestAllTypesLite.CreateBuilder()
+        .SetOptionalUint32(uint.MaxValue).Build();
+
+      copy = TestAllTypesLite.DefaultInstance;
+      Assert.AreNotEqual(msg.ToByteArray(), copy.ToByteArray());
+
+      using (MemoryStream ms = new MemoryStream(msg.ToByteArray())) {
+        CodedInputStream ci = CodedInputStream.CreateInstance(ms);
+        copy = copy.ToBuilder().MergeFrom(ci).Build();
+      }
+
+      Assert.AreEqual(msg.ToByteArray(), copy.ToByteArray());
+    }
+
+    [Test]
+    public void TestIBuilderLiteWeakClear() {
+      TestAllTypesLite copy, msg = TestAllTypesLite.DefaultInstance;
+
+      copy = msg.ToBuilder().SetOptionalString("Should be removed.").Build();
+      Assert.AreNotEqual(msg.ToByteArray(), copy.ToByteArray());
+
+      copy = (TestAllTypesLite)((IBuilderLite)copy.ToBuilder()).WeakClear().WeakBuild();
+      Assert.AreEqual(msg.ToByteArray(), copy.ToByteArray());
+    }
+
+    [Test]
+    public void TestIBuilderLiteWeakMergeFromByteString() {
+      TestAllTypesLite copy, msg = TestAllTypesLite.CreateBuilder()
+        .SetOptionalString("Should be merged.").Build();
+
+      copy = TestAllTypesLite.DefaultInstance;
+      Assert.AreNotEqual(msg.ToByteArray(), copy.ToByteArray());
+
+      copy = (TestAllTypesLite)((IBuilderLite)copy.ToBuilder()).WeakMergeFrom(msg.ToByteString()).WeakBuild();
+      Assert.AreEqual(msg.ToByteArray(), copy.ToByteArray());
+
+      //again with extension registry
+      copy = TestAllTypesLite.DefaultInstance;
+      Assert.AreNotEqual(msg.ToByteArray(), copy.ToByteArray());
+
+      copy = (TestAllTypesLite)((IBuilderLite)copy.ToBuilder()).WeakMergeFrom(msg.ToByteString(), ExtensionRegistry.Empty).WeakBuild();
+      Assert.AreEqual(msg.ToByteArray(), copy.ToByteArray());
+    }
+
+    [Test]
+    public void TestIBuilderLiteWeakMergeFromCodedInputStream() {
+      TestAllTypesLite copy, msg = TestAllTypesLite.CreateBuilder()
+        .SetOptionalUint32(uint.MaxValue).Build();
+
+      copy = TestAllTypesLite.DefaultInstance;
+      Assert.AreNotEqual(msg.ToByteArray(), copy.ToByteArray());
+
+      using (MemoryStream ms = new MemoryStream(msg.ToByteArray())) {
+        CodedInputStream ci = CodedInputStream.CreateInstance(ms);
+        copy = (TestAllTypesLite)((IBuilderLite)copy.ToBuilder()).WeakMergeFrom(ci).WeakBuild();
+      }
+
+      Assert.AreEqual(msg.ToByteArray(), copy.ToByteArray());
+    }
+
+    [Test]
+    public void TestIBuilderLiteWeakBuildPartial() {
+      IBuilderLite builder = TestRequiredLite.CreateBuilder();
+      Assert.IsFalse(builder.IsInitialized);
+
+      IMessageLite msg = builder.WeakBuildPartial();
+      Assert.IsFalse(msg.IsInitialized);
+
+      Assert.AreEqual(msg.ToByteArray(), TestRequiredLite.DefaultInstance.ToByteArray());
+    }
+
+    [Test, ExpectedException(typeof(UninitializedMessageException ))]
+    public void TestIBuilderLiteWeakBuildUninitialized() {
+      IBuilderLite builder = TestRequiredLite.CreateBuilder();
+      Assert.IsFalse(builder.IsInitialized);
+      builder.WeakBuild();
+    }
+
+    [Test]
+    public void TestIBuilderLiteWeakBuild() {
+      IBuilderLite builder = TestRequiredLite.CreateBuilder()
+        .SetD(0)
+        .SetEn(ExtraEnum.EXLITE_BAZ);
+      Assert.IsTrue(builder.IsInitialized);
+      builder.WeakBuild();
+    }
+
+    [Test]
+    public void TestIBuilderLiteWeakClone() {
+      TestRequiredLite msg = TestRequiredLite.CreateBuilder()
+        .SetD(1).SetEn(ExtraEnum.EXLITE_BAR).Build();
+      Assert.IsTrue(msg.IsInitialized);
+
+      IMessageLite copy = ((IBuilderLite)msg.ToBuilder()).WeakClone().WeakBuild();
+      Assert.AreEqual(msg.ToByteArray(), copy.ToByteArray());
+    }
+
+    [Test]
+    public void TestIBuilderLiteWeakDefaultInstance() {
+      Assert.IsTrue(ReferenceEquals(TestRequiredLite.DefaultInstance,
+        ((IBuilderLite)TestRequiredLite.CreateBuilder()).WeakDefaultInstanceForType));
+    }
+  }
+}
diff --git a/src/ProtocolBuffersLite.Test/ExtendableBuilderLiteTest.cs b/src/ProtocolBuffersLite.Test/ExtendableBuilderLiteTest.cs
new file mode 100644
index 00000000..0a75559c
--- /dev/null
+++ b/src/ProtocolBuffersLite.Test/ExtendableBuilderLiteTest.cs
@@ -0,0 +1,225 @@
+#region Copyright notice and license
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://github.com/jskeet/dotnet-protobufs/
+// Original C++/Java/Python code:
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#endregion
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using Google.ProtocolBuffers;
+using Google.ProtocolBuffers.TestProtos;
+using NUnit.Framework;
+
+namespace Google.ProtocolBuffers {
+  [TestFixture]
+  public class ExtendableBuilderLiteTest {
+
+    [Test]
+    public void TestHasExtensionT() {
+      TestAllExtensionsLite.Builder builder = TestAllExtensionsLite.CreateBuilder()
+          .SetExtension(UnitTestLiteProtoFile.OptionalInt32ExtensionLite, 123);
+
+      Assert.IsTrue(builder.HasExtension(UnitTestLiteProtoFile.OptionalInt32ExtensionLite));
+    }
+
+    [Test]
+    public void TestHasExtensionTMissing() {
+      TestAllExtensionsLite.Builder builder = TestAllExtensionsLite.CreateBuilder();
+      Assert.IsFalse(builder.HasExtension(UnitTestLiteProtoFile.OptionalInt32ExtensionLite));
+    }
+
+    [Test]
+    public void TestGetExtensionCountT() {
+      TestAllExtensionsLite.Builder builder = TestAllExtensionsLite.CreateBuilder()
+          .AddExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, 1)
+          .AddExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, 2)
+          .AddExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, 3);
+
+      Assert.AreEqual(3, builder.GetExtensionCount(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite));
+    }
+
+    [Test]
+    public void TestGetExtensionCountTEmpty() {
+      TestAllExtensionsLite.Builder builder = TestAllExtensionsLite.CreateBuilder();
+      Assert.AreEqual(0, builder.GetExtensionCount(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite));
+    }
+
+    [Test]
+    public void TestGetExtensionTNull() {
+      TestAllExtensionsLite.Builder builder = TestAllExtensionsLite.CreateBuilder();
+      string value = builder.GetExtension(UnitTestLiteProtoFile.OptionalStringExtensionLite);
+      Assert.IsNull(value);
+    }
+
+    [Test]
+    public void TestGetExtensionTValue() {
+      TestAllExtensionsLite.Builder builder = TestAllExtensionsLite.CreateBuilder()
+          .SetExtension(UnitTestLiteProtoFile.OptionalInt32ExtensionLite, 3);
+
+      Assert.AreEqual(3, builder.GetExtension(UnitTestLiteProtoFile.OptionalInt32ExtensionLite));
+    }
+
+    [Test]
+    public void TestGetExtensionTEmpty() {
+      TestAllExtensionsLite.Builder builder = TestAllExtensionsLite.CreateBuilder();
+      Assert.AreEqual(0, builder.GetExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite).Count);
+    }
+
+    [Test]
+    public void TestGetExtensionTList() {
+      TestAllExtensionsLite.Builder builder = TestAllExtensionsLite.CreateBuilder()
+          .AddExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, 1)
+          .AddExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, 2)
+          .AddExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, 3);
+
+      IList<int> values = builder.GetExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite);
+      Assert.AreEqual(3, values.Count);
+    }
+
+    [Test]
+    public void TestGetExtensionTIndex() {
+      TestAllExtensionsLite.Builder builder = TestAllExtensionsLite.CreateBuilder()
+          .AddExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, 0)
+          .AddExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, 1)
+          .AddExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, 2);
+
+      for(int i = 0; i < 3; i++ )
+        Assert.AreEqual(i, builder.GetExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, i));
+    }
+
+    [Test,ExpectedException(typeof(ArgumentOutOfRangeException))]
+    public void TestGetExtensionTIndexOutOfRange() {
+      TestAllExtensionsLite.Builder builder = TestAllExtensionsLite.CreateBuilder();
+      builder.GetExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, 0);
+    }
+
+    [Test]
+    public void TestSetExtensionTIndex() {
+      TestAllExtensionsLite.Builder builder = TestAllExtensionsLite.CreateBuilder()
+          .AddExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, 0)
+          .AddExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, 1)
+          .AddExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, 2);
+
+      for (int i = 0; i < 3; i++)
+        Assert.AreEqual(i, builder.GetExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, i));
+
+      builder.SetExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, 0, 5);
+      builder.SetExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, 1, 6);
+      builder.SetExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, 2, 7);
+
+      for (int i = 0; i < 3; i++)
+        Assert.AreEqual(5 + i, builder.GetExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, i));
+    }
+
+    [Test, ExpectedException(typeof(ArgumentOutOfRangeException))]
+    public void TestSetExtensionTIndexOutOfRange() {
+      TestAllExtensionsLite.Builder builder = TestAllExtensionsLite.CreateBuilder();
+      builder.SetExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, 0, -1);
+    }
+
+    [Test]
+    public void TestClearExtensionTList() {
+      TestAllExtensionsLite.Builder builder = TestAllExtensionsLite.CreateBuilder()
+        .AddExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, 0);
+      Assert.AreEqual(1, builder.GetExtensionCount(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite));
+      
+      builder.ClearExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite);
+      Assert.AreEqual(0, builder.GetExtensionCount(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite));
+    }
+
+    [Test]
+    public void TestClearExtensionTValue() {
+      TestAllExtensionsLite.Builder builder = TestAllExtensionsLite.CreateBuilder()
+        .SetExtension(UnitTestLiteProtoFile.OptionalInt32ExtensionLite, 0);
+      Assert.IsTrue(builder.HasExtension(UnitTestLiteProtoFile.OptionalInt32ExtensionLite));
+
+      builder.ClearExtension(UnitTestLiteProtoFile.OptionalInt32ExtensionLite);
+      Assert.IsFalse(builder.HasExtension(UnitTestLiteProtoFile.OptionalInt32ExtensionLite));
+    }
+
+    [Test]
+    public void TestIndexedByDescriptor() {
+      TestAllExtensionsLite.Builder builder = TestAllExtensionsLite.CreateBuilder();
+      Assert.IsFalse(builder.HasExtension(UnitTestLiteProtoFile.OptionalInt32ExtensionLite));
+      
+      builder[UnitTestLiteProtoFile.OptionalInt32ExtensionLite.Descriptor] = 123;
+      
+      Assert.IsTrue(builder.HasExtension(UnitTestLiteProtoFile.OptionalInt32ExtensionLite));
+      Assert.AreEqual(123, builder.GetExtension(UnitTestLiteProtoFile.OptionalInt32ExtensionLite));
+    }
+
+    [Test]
+    public void TestIndexedByDescriptorAndOrdinal() {
+      TestAllExtensionsLite.Builder builder = TestAllExtensionsLite.CreateBuilder()
+        .AddExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, 0);
+      Assert.AreEqual(1, builder.GetExtensionCount(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite));
+
+      IFieldDescriptorLite f = UnitTestLiteProtoFile.RepeatedInt32ExtensionLite.Descriptor;
+      builder[f, 0] = 123;
+
+      Assert.AreEqual(1, builder.GetExtensionCount(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite));
+      Assert.AreEqual(123, builder.GetExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, 0));
+    }
+
+    [Test, ExpectedException(typeof(ArgumentOutOfRangeException))]
+    public void TestIndexedByDescriptorAndOrdinalOutOfRange() {
+      TestAllExtensionsLite.Builder builder = TestAllExtensionsLite.CreateBuilder();
+      Assert.AreEqual(0, builder.GetExtensionCount(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite));
+
+      IFieldDescriptorLite f = UnitTestLiteProtoFile.RepeatedInt32ExtensionLite.Descriptor;
+      builder[f, 0] = 123;
+    }
+
+    [Test]
+    public void TestClearFieldByDescriptor() {
+      TestAllExtensionsLite.Builder builder = TestAllExtensionsLite.CreateBuilder()
+        .AddExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, 0);
+      Assert.AreEqual(1, builder.GetExtensionCount(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite));
+
+      IFieldDescriptorLite f = UnitTestLiteProtoFile.RepeatedInt32ExtensionLite.Descriptor;
+      builder.ClearField(f);
+      Assert.AreEqual(0, builder.GetExtensionCount(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite));
+    }
+
+    [Test]
+    public void TestAddRepeatedFieldByDescriptor() {
+      TestAllExtensionsLite.Builder builder = TestAllExtensionsLite.CreateBuilder()
+        .AddExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, 0);
+      Assert.AreEqual(1, builder.GetExtensionCount(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite));
+
+      IFieldDescriptorLite f = UnitTestLiteProtoFile.RepeatedInt32ExtensionLite.Descriptor;
+      builder.AddRepeatedField(f, 123);
+      Assert.AreEqual(2, builder.GetExtensionCount(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite));
+      Assert.AreEqual(123, builder.GetExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, 1));
+    }
+  }
+}
diff --git a/src/ProtocolBuffersLite.Test/ExtendableMessageLiteTest.cs b/src/ProtocolBuffersLite.Test/ExtendableMessageLiteTest.cs
new file mode 100644
index 00000000..0b12d25f
--- /dev/null
+++ b/src/ProtocolBuffersLite.Test/ExtendableMessageLiteTest.cs
@@ -0,0 +1,304 @@
+#region Copyright notice and license
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://github.com/jskeet/dotnet-protobufs/
+// Original C++/Java/Python code:
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Google.ProtocolBuffers;
+using Google.ProtocolBuffers.TestProtos;
+using NUnit.Framework;
+
+namespace Google.ProtocolBuffers {
+  [TestFixture]
+  public class ExtendableMessageLiteTest {
+
+
+    [Test]
+    public void ExtensionWriterTest() {
+      TestAllExtensionsLite.Builder builder = TestAllExtensionsLite.CreateBuilder()
+        .SetExtension(UnitTestLiteProtoFile.DefaultBoolExtensionLite, true)
+        .SetExtension(UnitTestLiteProtoFile.DefaultBytesExtensionLite, ByteString.CopyFromUtf8("123"))
+        .SetExtension(UnitTestLiteProtoFile.DefaultCordExtensionLite, "123")
+        .SetExtension(UnitTestLiteProtoFile.DefaultDoubleExtensionLite, 123)
+        .SetExtension(UnitTestLiteProtoFile.DefaultFixed32ExtensionLite, 123u)
+        .SetExtension(UnitTestLiteProtoFile.DefaultFixed64ExtensionLite, 123u)
+        .SetExtension(UnitTestLiteProtoFile.DefaultFloatExtensionLite, 123)
+        .SetExtension(UnitTestLiteProtoFile.DefaultForeignEnumExtensionLite, ForeignEnumLite.FOREIGN_LITE_BAZ)
+        .SetExtension(UnitTestLiteProtoFile.DefaultImportEnumExtensionLite, ImportEnumLite.IMPORT_LITE_BAZ)
+        .SetExtension(UnitTestLiteProtoFile.DefaultInt32ExtensionLite, 123)
+        .SetExtension(UnitTestLiteProtoFile.DefaultInt64ExtensionLite, 123)
+        .SetExtension(UnitTestLiteProtoFile.DefaultNestedEnumExtensionLite, TestAllTypesLite.Types.NestedEnum.FOO)
+        .SetExtension(UnitTestLiteProtoFile.DefaultSfixed32ExtensionLite, 123)
+        .SetExtension(UnitTestLiteProtoFile.DefaultSfixed64ExtensionLite, 123)
+        .SetExtension(UnitTestLiteProtoFile.DefaultSint32ExtensionLite, 123)
+        .SetExtension(UnitTestLiteProtoFile.DefaultSint64ExtensionLite, 123)
+        .SetExtension(UnitTestLiteProtoFile.DefaultStringExtensionLite, "123")
+        .SetExtension(UnitTestLiteProtoFile.DefaultStringPieceExtensionLite, "123")
+        .SetExtension(UnitTestLiteProtoFile.DefaultUint32ExtensionLite, 123u)
+        .SetExtension(UnitTestLiteProtoFile.DefaultUint64ExtensionLite, 123u)
+        //Optional
+        .SetExtension(UnitTestLiteProtoFile.OptionalBoolExtensionLite, true)
+        .SetExtension(UnitTestLiteProtoFile.OptionalBytesExtensionLite, ByteString.CopyFromUtf8("123"))
+        .SetExtension(UnitTestLiteProtoFile.OptionalCordExtensionLite, "123")
+        .SetExtension(UnitTestLiteProtoFile.OptionalDoubleExtensionLite, 123)
+        .SetExtension(UnitTestLiteProtoFile.OptionalFixed32ExtensionLite, 123u)
+        .SetExtension(UnitTestLiteProtoFile.OptionalFixed64ExtensionLite, 123u)
+        .SetExtension(UnitTestLiteProtoFile.OptionalFloatExtensionLite, 123)
+        .SetExtension(UnitTestLiteProtoFile.OptionalForeignEnumExtensionLite, ForeignEnumLite.FOREIGN_LITE_BAZ)
+        .SetExtension(UnitTestLiteProtoFile.OptionalImportEnumExtensionLite, ImportEnumLite.IMPORT_LITE_BAZ)
+        .SetExtension(UnitTestLiteProtoFile.OptionalInt32ExtensionLite, 123)
+        .SetExtension(UnitTestLiteProtoFile.OptionalInt64ExtensionLite, 123)
+        .SetExtension(UnitTestLiteProtoFile.OptionalNestedEnumExtensionLite, TestAllTypesLite.Types.NestedEnum.FOO)
+        .SetExtension(UnitTestLiteProtoFile.OptionalSfixed32ExtensionLite, 123)
+        .SetExtension(UnitTestLiteProtoFile.OptionalSfixed64ExtensionLite, 123)
+        .SetExtension(UnitTestLiteProtoFile.OptionalSint32ExtensionLite, 123)
+        .SetExtension(UnitTestLiteProtoFile.OptionalSint64ExtensionLite, 123)
+        .SetExtension(UnitTestLiteProtoFile.OptionalStringExtensionLite, "123")
+        .SetExtension(UnitTestLiteProtoFile.OptionalStringPieceExtensionLite, "123")
+        .SetExtension(UnitTestLiteProtoFile.OptionalUint32ExtensionLite, 123u)
+        .SetExtension(UnitTestLiteProtoFile.OptionalUint64ExtensionLite, 123u)
+        //Repeated
+        .AddExtension(UnitTestLiteProtoFile.RepeatedBoolExtensionLite, true)
+        .AddExtension(UnitTestLiteProtoFile.RepeatedBytesExtensionLite, ByteString.CopyFromUtf8("123"))
+        .AddExtension(UnitTestLiteProtoFile.RepeatedCordExtensionLite, "123")
+        .AddExtension(UnitTestLiteProtoFile.RepeatedDoubleExtensionLite, 123)
+        .AddExtension(UnitTestLiteProtoFile.RepeatedFixed32ExtensionLite, 123u)
+        .AddExtension(UnitTestLiteProtoFile.RepeatedFixed64ExtensionLite, 123u)
+        .AddExtension(UnitTestLiteProtoFile.RepeatedFloatExtensionLite, 123)
+        .AddExtension(UnitTestLiteProtoFile.RepeatedForeignEnumExtensionLite, ForeignEnumLite.FOREIGN_LITE_BAZ)
+        .AddExtension(UnitTestLiteProtoFile.RepeatedImportEnumExtensionLite, ImportEnumLite.IMPORT_LITE_BAZ)
+        .AddExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, 123)
+        .AddExtension(UnitTestLiteProtoFile.RepeatedInt64ExtensionLite, 123)
+        .AddExtension(UnitTestLiteProtoFile.RepeatedNestedEnumExtensionLite, TestAllTypesLite.Types.NestedEnum.FOO)
+        .AddExtension(UnitTestLiteProtoFile.RepeatedSfixed32ExtensionLite, 123)
+        .AddExtension(UnitTestLiteProtoFile.RepeatedSfixed64ExtensionLite, 123)
+        .AddExtension(UnitTestLiteProtoFile.RepeatedSint32ExtensionLite, 123)
+        .AddExtension(UnitTestLiteProtoFile.RepeatedSint64ExtensionLite, 123)
+        .AddExtension(UnitTestLiteProtoFile.RepeatedStringExtensionLite, "123")
+        .AddExtension(UnitTestLiteProtoFile.RepeatedStringPieceExtensionLite, "123")
+        .AddExtension(UnitTestLiteProtoFile.RepeatedUint32ExtensionLite, 123u)
+        .AddExtension(UnitTestLiteProtoFile.RepeatedUint64ExtensionLite, 123u)
+        ;
+      TestAllExtensionsLite msg = builder.Build();
+
+      ExtensionRegistry registry = ExtensionRegistry.CreateInstance();
+      UnitTestLiteProtoFile.RegisterAllExtensions(registry);
+
+      TestAllExtensionsLite.Builder copyBuilder = TestAllExtensionsLite.CreateBuilder().MergeFrom(msg.ToByteArray(), registry);
+      TestAllExtensionsLite copy = copyBuilder.Build();
+
+      Assert.AreEqual(msg.ToByteArray(), copy.ToByteArray());
+
+      Assert.AreEqual(true, copy.GetExtension(UnitTestLiteProtoFile.DefaultBoolExtensionLite));
+      Assert.AreEqual(ByteString.CopyFromUtf8("123"), copy.GetExtension(UnitTestLiteProtoFile.DefaultBytesExtensionLite));
+      Assert.AreEqual("123", copy.GetExtension(UnitTestLiteProtoFile.DefaultCordExtensionLite));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestLiteProtoFile.DefaultDoubleExtensionLite));
+      Assert.AreEqual(123u, copy.GetExtension(UnitTestLiteProtoFile.DefaultFixed32ExtensionLite));
+      Assert.AreEqual(123u, copy.GetExtension(UnitTestLiteProtoFile.DefaultFixed64ExtensionLite));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestLiteProtoFile.DefaultFloatExtensionLite));
+      Assert.AreEqual(ForeignEnumLite.FOREIGN_LITE_BAZ, copy.GetExtension(UnitTestLiteProtoFile.DefaultForeignEnumExtensionLite));
+      Assert.AreEqual(ImportEnumLite.IMPORT_LITE_BAZ, copy.GetExtension(UnitTestLiteProtoFile.DefaultImportEnumExtensionLite));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestLiteProtoFile.DefaultInt32ExtensionLite));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestLiteProtoFile.DefaultInt64ExtensionLite));
+      Assert.AreEqual(TestAllTypesLite.Types.NestedEnum.FOO, copy.GetExtension(UnitTestLiteProtoFile.DefaultNestedEnumExtensionLite));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestLiteProtoFile.DefaultSfixed32ExtensionLite));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestLiteProtoFile.DefaultSfixed64ExtensionLite));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestLiteProtoFile.DefaultSint32ExtensionLite));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestLiteProtoFile.DefaultSint64ExtensionLite));
+      Assert.AreEqual("123", copy.GetExtension(UnitTestLiteProtoFile.DefaultStringExtensionLite));
+      Assert.AreEqual("123", copy.GetExtension(UnitTestLiteProtoFile.DefaultStringPieceExtensionLite));
+      Assert.AreEqual(123u, copy.GetExtension(UnitTestLiteProtoFile.DefaultUint32ExtensionLite));
+      Assert.AreEqual(123u, copy.GetExtension(UnitTestLiteProtoFile.DefaultUint64ExtensionLite));
+
+      Assert.AreEqual(true, copy.GetExtension(UnitTestLiteProtoFile.OptionalBoolExtensionLite));
+      Assert.AreEqual(ByteString.CopyFromUtf8("123"), copy.GetExtension(UnitTestLiteProtoFile.OptionalBytesExtensionLite));
+      Assert.AreEqual("123", copy.GetExtension(UnitTestLiteProtoFile.OptionalCordExtensionLite));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestLiteProtoFile.OptionalDoubleExtensionLite));
+      Assert.AreEqual(123u, copy.GetExtension(UnitTestLiteProtoFile.OptionalFixed32ExtensionLite));
+      Assert.AreEqual(123u, copy.GetExtension(UnitTestLiteProtoFile.OptionalFixed64ExtensionLite));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestLiteProtoFile.OptionalFloatExtensionLite));
+      Assert.AreEqual(ForeignEnumLite.FOREIGN_LITE_BAZ, copy.GetExtension(UnitTestLiteProtoFile.OptionalForeignEnumExtensionLite));
+      Assert.AreEqual(ImportEnumLite.IMPORT_LITE_BAZ, copy.GetExtension(UnitTestLiteProtoFile.OptionalImportEnumExtensionLite));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestLiteProtoFile.OptionalInt32ExtensionLite));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestLiteProtoFile.OptionalInt64ExtensionLite));
+      Assert.AreEqual(TestAllTypesLite.Types.NestedEnum.FOO, copy.GetExtension(UnitTestLiteProtoFile.OptionalNestedEnumExtensionLite));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestLiteProtoFile.OptionalSfixed32ExtensionLite));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestLiteProtoFile.OptionalSfixed64ExtensionLite));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestLiteProtoFile.OptionalSint32ExtensionLite));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestLiteProtoFile.OptionalSint64ExtensionLite));
+      Assert.AreEqual("123", copy.GetExtension(UnitTestLiteProtoFile.OptionalStringExtensionLite));
+      Assert.AreEqual("123", copy.GetExtension(UnitTestLiteProtoFile.OptionalStringPieceExtensionLite));
+      Assert.AreEqual(123u, copy.GetExtension(UnitTestLiteProtoFile.OptionalUint32ExtensionLite));
+      Assert.AreEqual(123u, copy.GetExtension(UnitTestLiteProtoFile.OptionalUint64ExtensionLite));
+
+      Assert.AreEqual(true, copy.GetExtension(UnitTestLiteProtoFile.RepeatedBoolExtensionLite, 0));
+      Assert.AreEqual(ByteString.CopyFromUtf8("123"), copy.GetExtension(UnitTestLiteProtoFile.RepeatedBytesExtensionLite, 0));
+      Assert.AreEqual("123", copy.GetExtension(UnitTestLiteProtoFile.RepeatedCordExtensionLite, 0));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestLiteProtoFile.RepeatedDoubleExtensionLite, 0));
+      Assert.AreEqual(123u, copy.GetExtension(UnitTestLiteProtoFile.RepeatedFixed32ExtensionLite, 0));
+      Assert.AreEqual(123u, copy.GetExtension(UnitTestLiteProtoFile.RepeatedFixed64ExtensionLite, 0));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestLiteProtoFile.RepeatedFloatExtensionLite, 0));
+      Assert.AreEqual(ForeignEnumLite.FOREIGN_LITE_BAZ, copy.GetExtension(UnitTestLiteProtoFile.RepeatedForeignEnumExtensionLite, 0));
+      Assert.AreEqual(ImportEnumLite.IMPORT_LITE_BAZ, copy.GetExtension(UnitTestLiteProtoFile.RepeatedImportEnumExtensionLite, 0));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, 0));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestLiteProtoFile.RepeatedInt64ExtensionLite, 0));
+      Assert.AreEqual(TestAllTypesLite.Types.NestedEnum.FOO, copy.GetExtension(UnitTestLiteProtoFile.RepeatedNestedEnumExtensionLite, 0));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestLiteProtoFile.RepeatedSfixed32ExtensionLite, 0));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestLiteProtoFile.RepeatedSfixed64ExtensionLite, 0));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestLiteProtoFile.RepeatedSint32ExtensionLite, 0));
+      Assert.AreEqual(123, copy.GetExtension(UnitTestLiteProtoFile.RepeatedSint64ExtensionLite, 0));
+      Assert.AreEqual("123", copy.GetExtension(UnitTestLiteProtoFile.RepeatedStringExtensionLite, 0));
+      Assert.AreEqual("123", copy.GetExtension(UnitTestLiteProtoFile.RepeatedStringPieceExtensionLite, 0));
+      Assert.AreEqual(123u, copy.GetExtension(UnitTestLiteProtoFile.RepeatedUint32ExtensionLite, 0));
+      Assert.AreEqual(123u, copy.GetExtension(UnitTestLiteProtoFile.RepeatedUint64ExtensionLite, 0));
+    }
+
+    
+    
+    /*
+    
+    [Test]
+    public void ExtensionWriterTest() {
+      TestAllExtensionsLite.Builder builder = TestAllExtensionsLite.CreateBuilder()
+          .SetExtension(UnitTestLiteProtoFile.DefaultBoolExtensionLite, true)
+          .SetExtension(UnitTestLiteProtoFile.DefaultBytesExtensionLite, ByteString.CopyFromUtf8("123"))
+          .SetExtension(UnitTestLiteProtoFile.DefaultCordExtensionLite, "123")
+          .SetExtension(UnitTestLiteProtoFile.DefaultDoubleExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.DefaultFixed32ExtensionLite, 123u)
+          .SetExtension(UnitTestLiteProtoFile.DefaultFixed64ExtensionLite, 123u)
+          .SetExtension(UnitTestLiteProtoFile.DefaultFloatExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.DefaultForeignEnumExtensionLite, ForeignEnumLite.FOREIGN_LITE_FOO)
+          .SetExtension(UnitTestLiteProtoFile.DefaultImportEnumExtensionLite, ImportEnumLite.IMPORT_LITE_BAZ)
+          .SetExtension(UnitTestLiteProtoFile.DefaultInt32ExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.DefaultInt64ExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.DefaultNestedEnumExtensionLite, TestAllTypesLite.Types.NestedEnum.FOO)
+          .SetExtension(UnitTestLiteProtoFile.DefaultSfixed32ExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.DefaultSfixed64ExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.DefaultSint32ExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.DefaultSint64ExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.DefaultStringExtensionLite, "123")
+          .SetExtension(UnitTestLiteProtoFile.DefaultStringPieceExtensionLite, "123")
+          .SetExtension(UnitTestLiteProtoFile.DefaultUint32ExtensionLite, 123u)
+          .SetExtension(UnitTestLiteProtoFile.DefaultUint64ExtensionLite, 123u)
+          //Optional
+          .SetExtension(UnitTestLiteProtoFile.OptionalBoolExtensionLite, true)
+          .SetExtension(UnitTestLiteProtoFile.OptionalBytesExtensionLite, ByteString.CopyFromUtf8("123"))
+          .SetExtension(UnitTestLiteProtoFile.OptionalCordExtensionLite, "123")
+          .SetExtension(UnitTestLiteProtoFile.OptionalDoubleExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.OptionalFixed32ExtensionLite, 123u)
+          .SetExtension(UnitTestLiteProtoFile.OptionalFixed64ExtensionLite, 123u)
+          .SetExtension(UnitTestLiteProtoFile.OptionalFloatExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.OptionalForeignEnumExtensionLite, ForeignEnumLite.FOREIGN_LITE_FOO)
+          .SetExtension(UnitTestLiteProtoFile.OptionalImportEnumExtensionLite, ImportEnumLite.IMPORT_LITE_BAZ)
+          .SetExtension(UnitTestLiteProtoFile.OptionalInt32ExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.OptionalInt64ExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.OptionalNestedEnumExtensionLite, TestAllTypesLite.Types.NestedEnum.FOO)
+          .SetExtension(UnitTestLiteProtoFile.OptionalSfixed32ExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.OptionalSfixed64ExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.OptionalSint32ExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.OptionalSint64ExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.OptionalStringExtensionLite, "123")
+          .SetExtension(UnitTestLiteProtoFile.OptionalStringPieceExtensionLite, "123")
+          .SetExtension(UnitTestLiteProtoFile.OptionalUint32ExtensionLite, 123u)
+          .SetExtension(UnitTestLiteProtoFile.OptionalUint64ExtensionLite, 123u)
+          //Repeated
+          .AddExtension(UnitTestLiteProtoFile.RepeatedBoolExtensionLite, true)
+          .AddExtension(UnitTestLiteProtoFile.RepeatedBytesExtensionLite, ByteString.CopyFromUtf8("123"))
+          .AddExtension(UnitTestLiteProtoFile.RepeatedCordExtensionLite, "123")
+          .AddExtension(UnitTestLiteProtoFile.RepeatedDoubleExtensionLite, 123)
+          .AddExtension(UnitTestLiteProtoFile.RepeatedFixed32ExtensionLite, 123u)
+          .AddExtension(UnitTestLiteProtoFile.RepeatedFixed64ExtensionLite, 123u)
+          .AddExtension(UnitTestLiteProtoFile.RepeatedFloatExtensionLite, 123)
+          .AddExtension(UnitTestLiteProtoFile.RepeatedForeignEnumExtensionLite, ForeignEnumLite.FOREIGN_LITE_FOO)
+          .AddExtension(UnitTestLiteProtoFile.RepeatedImportEnumExtensionLite, ImportEnumLite.IMPORT_LITE_BAZ)
+          .AddExtension(UnitTestLiteProtoFile.RepeatedInt32ExtensionLite, 123)
+          .AddExtension(UnitTestLiteProtoFile.RepeatedInt64ExtensionLite, 123)
+          .AddExtension(UnitTestLiteProtoFile.RepeatedNestedEnumExtensionLite, TestAllTypesLite.Types.NestedEnum.FOO)
+          .AddExtension(UnitTestLiteProtoFile.RepeatedSfixed32ExtensionLite, 123)
+          .AddExtension(UnitTestLiteProtoFile.RepeatedSfixed64ExtensionLite, 123)
+          .AddExtension(UnitTestLiteProtoFile.RepeatedSint32ExtensionLite, 123)
+          .AddExtension(UnitTestLiteProtoFile.RepeatedSint64ExtensionLite, 123)
+          .AddExtension(UnitTestLiteProtoFile.RepeatedStringExtensionLite, "123")
+          .AddExtension(UnitTestLiteProtoFile.RepeatedStringPieceExtensionLite, "123")
+          .AddExtension(UnitTestLiteProtoFile.RepeatedUint32ExtensionLite, 123u)
+          .AddExtension(UnitTestLiteProtoFile.RepeatedUint64ExtensionLite, 123u)
+        ;
+      builder = TestAllExtensionsLite.CreateBuilder()
+          .SetExtension(UnitTestLiteProtoFile.DefaultBoolExtensionLite, true)
+          .SetExtension(UnitTestLiteProtoFile.DefaultBytesExtensionLite, ByteString.CopyFromUtf8("123"))
+          .SetExtension(UnitTestLiteProtoFile.DefaultCordExtensionLite, "123")
+          .SetExtension(UnitTestLiteProtoFile.DefaultDoubleExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.DefaultFixed32ExtensionLite, 123u)
+          .SetExtension(UnitTestLiteProtoFile.DefaultFixed64ExtensionLite, 123u)
+          .SetExtension(UnitTestLiteProtoFile.DefaultFloatExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.DefaultForeignEnumExtensionLite, ForeignEnumLite.FOREIGN_LITE_FOO)
+          .SetExtension(UnitTestLiteProtoFile.DefaultImportEnumExtensionLite, ImportEnumLite.IMPORT_LITE_BAZ)
+          .SetExtension(UnitTestLiteProtoFile.DefaultInt32ExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.DefaultInt64ExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.DefaultNestedEnumExtensionLite, TestAllTypesLite.Types.NestedEnum.FOO)
+          .SetExtension(UnitTestLiteProtoFile.DefaultSfixed32ExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.DefaultSfixed64ExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.DefaultSint32ExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.DefaultSint64ExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.DefaultStringExtensionLite, "123")
+          .SetExtension(UnitTestLiteProtoFile.DefaultStringPieceExtensionLite, "123")
+          .SetExtension(UnitTestLiteProtoFile.DefaultUint32ExtensionLite, 123u)
+          .SetExtension(UnitTestLiteProtoFile.DefaultUint64ExtensionLite, 123u)
+        ;
+
+      TestAllExtensionsLite msg = builder.Build();
+      byte[] data = msg.ToByteArray();
+      TestAllExtensionsLite.Builder copyBuilder = TestAllExtensionsLite.CreateBuilder().MergeFrom(data);
+      TestAllExtensionsLite copy = copyBuilder.Build();
+
+      Assert.AreEqual(msg.ToByteArray(), copy.ToByteArray());
+    }
+     * 
+          //Packed
+          .SetExtension(UnitTestLiteProtoFile.PackedBoolExtensionLite, true)
+          .SetExtension(UnitTestLiteProtoFile.PackedDoubleExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.PackedFixed32ExtensionLite, 123u)
+          .SetExtension(UnitTestLiteProtoFile.PackedFixed64ExtensionLite, 123u)
+          .SetExtension(UnitTestLiteProtoFile.PackedFloatExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.PackedInt32ExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.PackedInt64ExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.PackedSfixed32ExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.PackedSfixed64ExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.PackedSint32ExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.PackedSint64ExtensionLite, 123)
+          .SetExtension(UnitTestLiteProtoFile.PackedUint32ExtensionLite, 123u)
+          .SetExtension(UnitTestLiteProtoFile.PackedUint64ExtensionLite, 123u)
+     */
+  }
+}
diff --git a/src/ProtocolBuffersLite.Test/ProtocolBuffersLite.Test.csproj b/src/ProtocolBuffersLite.Test/ProtocolBuffersLite.Test.csproj
index 1b092d08..d9af5801 100644
--- a/src/ProtocolBuffersLite.Test/ProtocolBuffersLite.Test.csproj
+++ b/src/ProtocolBuffersLite.Test/ProtocolBuffersLite.Test.csproj
@@ -57,7 +57,12 @@
     <Compile Include="..\ProtocolBuffers.Test\Properties\AssemblyInfo.cs">
       <Link>Properties\AssemblyInfo.cs</Link>
     </Compile>
+    <Compile Include="AbstractBuilderLiteTest.cs" />
+    <Compile Include="ExtendableBuilderLiteTest.cs" />
+    <Compile Include="ExtendableMessageLiteTest.cs" />
     <Compile Include="LiteTest.cs" />
+    <Compile Include="TestLiteByApi.cs" />
+    <Compile Include="TestProtos\UnitTestExtrasLiteProtoFile.cs" />
     <Compile Include="TestProtos\UnitTestImportLiteProtoFile.cs" />
     <Compile Include="TestProtos\UnitTestLiteProtoFile.cs" />
   </ItemGroup>
@@ -70,6 +75,7 @@
     <ProjectReference Include="..\ProtocolBuffers\ProtocolBuffersLite.csproj">
       <Project>{6969BDCE-D925-43F3-94AC-A531E6DF2591}</Project>
       <Name>ProtocolBuffersLite</Name>
+      <Private>True</Private>
     </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
diff --git a/src/ProtocolBuffersLite.Test/TestLiteByApi.cs b/src/ProtocolBuffersLite.Test/TestLiteByApi.cs
new file mode 100644
index 00000000..32dc9506
--- /dev/null
+++ b/src/ProtocolBuffersLite.Test/TestLiteByApi.cs
@@ -0,0 +1,84 @@
+#region Copyright notice and license
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://github.com/jskeet/dotnet-protobufs/
+// Original C++/Java/Python code:
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#endregion
+
+using System;
+using System.Collections.Generic;
+using Google.ProtocolBuffers;
+using Google.ProtocolBuffers.TestProtos;
+using NUnit.Framework;
+
+namespace Google.ProtocolBuffers {
+  [TestFixture]
+  public class TestLiteByApi {
+
+    [Test, Ignore("Currently broken as equality/hash is not implemented")]
+    public void TestAllTypesEquality() {
+      TestAllTypesLite msg = TestAllTypesLite.DefaultInstance;
+      TestAllTypesLite copy = msg.ToBuilder().Build();
+      Assert.AreEqual(msg.GetHashCode(), copy.GetHashCode());
+      Assert.IsTrue(msg.Equals(copy));
+    }
+
+    [Test]
+    public void TestAllTypesDefaultedRoundTrip() {
+      TestAllTypesLite msg = TestAllTypesLite.DefaultInstance;
+      Assert.IsTrue(msg.IsInitialized);
+      TestAllTypesLite copy = TestAllTypesLite.CreateBuilder().MergeFrom(msg.ToByteArray()).Build();
+      Assert.AreEqual(msg.ToByteArray(), copy.ToByteArray());
+    }
+
+    [Test]
+    public void TestAllTypesModifiedRoundTrip() {
+      TestAllTypesLite msg = TestAllTypesLite.DefaultInstance;
+      msg.ToBuilder()
+        .SetOptionalBool(true)
+        .SetOptionalCord("Hi")
+        .SetOptionalDouble(1.123)
+        .SetOptionalForeignEnum(ForeignEnumLite.FOREIGN_LITE_FOO)
+        .SetOptionalForeignMessage(ForeignMessageLite.CreateBuilder().SetC('c').Build())
+        .SetOptionalGroup(TestAllTypesLite.Types.OptionalGroup.CreateBuilder().SetA('a').Build())
+        .SetOptionalImportEnum(ImportEnumLite.IMPORT_LITE_BAR)
+        .SetOptionalInt32(32)
+        .SetOptionalInt64(64)
+        .SetOptionalNestedEnum(TestAllTypesLite.Types.NestedEnum.FOO)
+        .SetOptionalString("SetOptionalString")
+        .AddRepeatedGroup(TestAllTypesLite.Types.RepeatedGroup.CreateBuilder().SetA('a').Build())
+        .AddRepeatedGroup(TestAllTypesLite.Types.RepeatedGroup.CreateBuilder().SetA('A').Build())
+        ;
+      TestAllTypesLite copy = TestAllTypesLite.CreateBuilder().MergeFrom(msg.ToByteArray()).Build();
+      Assert.AreEqual(msg.ToByteArray(), copy.ToByteArray());
+    }
+
+  }
+}
diff --git a/src/ProtocolBuffersLite.Test/TestProtos/UnitTestExtrasLiteProtoFile.cs b/src/ProtocolBuffersLite.Test/TestProtos/UnitTestExtrasLiteProtoFile.cs
new file mode 100644
index 00000000..948d317b
--- /dev/null
+++ b/src/ProtocolBuffersLite.Test/TestProtos/UnitTestExtrasLiteProtoFile.cs
@@ -0,0 +1,275 @@
+// Generated by ProtoGen, Version=0.9.0.0, Culture=neutral, PublicKeyToken=8fd7408b07f8d2cd.  DO NOT EDIT!
+
+using pb = global::Google.ProtocolBuffers;
+using pbc = global::Google.ProtocolBuffers.Collections;
+using pbd = global::Google.ProtocolBuffers.Descriptors;
+using scg = global::System.Collections.Generic;
+namespace Google.ProtocolBuffers.TestProtos {
+  
+  public static partial class UnitTestExtrasLiteProtoFile {
+  
+    #region Extension registration
+    public static void RegisterAllExtensions(pb::ExtensionRegistry registry) {
+    }
+    #endregion
+    #region Static variables
+    #endregion
+    #region Extensions
+    internal static readonly object Descriptor;
+    static UnitTestExtrasLiteProtoFile() {
+      Descriptor = null;
+    }
+    #endregion
+    
+  }
+  #region Enums
+  public enum ExtraEnum {
+    DEFAULT = 1,
+    EXLITE_FOO = 7,
+    EXLITE_BAR = 8,
+    EXLITE_BAZ = 9,
+  }
+  
+  #endregion
+  
+  #region Messages
+  public sealed partial class TestRequiredLite : pb::GeneratedMessageLite<TestRequiredLite, TestRequiredLite.Builder> {
+    private static readonly TestRequiredLite defaultInstance = new Builder().BuildPartial();
+    public static TestRequiredLite DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestRequiredLite DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestRequiredLite ThisMessage {
+      get { return this; }
+    }
+    
+    public const int DFieldNumber = 1;
+    private bool hasD;
+    private int d_ = 0;
+    public bool HasD {
+      get { return hasD; }
+    }
+    public int D {
+      get { return d_; }
+    }
+    
+    public const int EnFieldNumber = 2;
+    private bool hasEn;
+    private global::Google.ProtocolBuffers.TestProtos.ExtraEnum en_ = global::Google.ProtocolBuffers.TestProtos.ExtraEnum.DEFAULT;
+    public bool HasEn {
+      get { return hasEn; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ExtraEnum En {
+      get { return en_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        if (!hasD) return false;
+        if (!hasEn) return false;
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      if (HasD) {
+        output.WriteInt32(1, D);
+      }
+      if (HasEn) {
+        output.WriteEnum(2, (int) En);
+      }
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasD) {
+          size += pb::CodedOutputStream.ComputeInt32Size(1, D);
+        }
+        if (HasEn) {
+          size += pb::CodedOutputStream.ComputeEnumSize(2, (int) En);
+        }
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestRequiredLite ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestRequiredLite ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestRequiredLite ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestRequiredLite ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestRequiredLite ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestRequiredLite ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestRequiredLite ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static TestRequiredLite ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static TestRequiredLite ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestRequiredLite ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestRequiredLite prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilderLite<TestRequiredLite, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestRequiredLite result = new TestRequiredLite();
+      
+      protected override TestRequiredLite MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestRequiredLite();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override TestRequiredLite DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestRequiredLite.DefaultInstance; }
+      }
+      
+      public override TestRequiredLite BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        TestRequiredLite returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessageLite other) {
+        if (other is TestRequiredLite) {
+          return MergeFrom((TestRequiredLite) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestRequiredLite other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.TestRequiredLite.DefaultInstance) return this;
+        if (other.HasD) {
+          D = other.D;
+        }
+        if (other.HasEn) {
+          En = other.En;
+        }
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                return this;
+              }
+              ParseUnknownField(input, extensionRegistry, tag);
+              break;
+            }
+            case 8: {
+              D = input.ReadInt32();
+              break;
+            }
+            case 16: {
+              int rawValue = input.ReadEnum();
+              if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.ExtraEnum), rawValue)) {
+              } else {
+                En = (global::Google.ProtocolBuffers.TestProtos.ExtraEnum) rawValue;
+              }
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasD {
+        get { return result.HasD; }
+      }
+      public int D {
+        get { return result.D; }
+        set { SetD(value); }
+      }
+      public Builder SetD(int value) {
+        result.hasD = true;
+        result.d_ = value;
+        return this;
+      }
+      public Builder ClearD() {
+        result.hasD = false;
+        result.d_ = 0;
+        return this;
+      }
+      
+      public bool HasEn {
+       get { return result.HasEn; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ExtraEnum En {
+        get { return result.En; }
+        set { SetEn(value); }
+      }
+      public Builder SetEn(global::Google.ProtocolBuffers.TestProtos.ExtraEnum value) {
+        result.hasEn = true;
+        result.en_ = value;
+        return this;
+      }
+      public Builder ClearEn() {
+        result.hasEn = false;
+        result.en_ = global::Google.ProtocolBuffers.TestProtos.ExtraEnum.DEFAULT;
+        return this;
+      }
+    }
+    static TestRequiredLite() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestExtrasLiteProtoFile.Descriptor, null);
+    }
+  }
+  
+  #endregion
+  
+}
diff --git a/src/ProtocolBuffersLite.Test/TestProtos/UnitTestImportProtoFile.cs b/src/ProtocolBuffersLite.Test/TestProtos/UnitTestImportProtoFile.cs
new file mode 100644
index 00000000..235a05a7
--- /dev/null
+++ b/src/ProtocolBuffersLite.Test/TestProtos/UnitTestImportProtoFile.cs
@@ -0,0 +1,280 @@
+// Generated by ProtoGen, Version=0.9.0.0, Culture=neutral, PublicKeyToken=8fd7408b07f8d2cd.  DO NOT EDIT!
+
+using pb = global::Google.ProtocolBuffers;
+using pbc = global::Google.ProtocolBuffers.Collections;
+using pbd = global::Google.ProtocolBuffers.Descriptors;
+using scg = global::System.Collections.Generic;
+namespace Google.ProtocolBuffers.TestProtos {
+  
+  public static partial class UnitTestImportProtoFile {
+  
+    #region Extension registration
+    public static void RegisterAllExtensions(pb::ExtensionRegistry registry) {
+    }
+    #endregion
+    #region Static variables
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_import_ImportMessage__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ImportMessage, global::Google.ProtocolBuffers.TestProtos.ImportMessage.Builder> internal__static_protobuf_unittest_import_ImportMessage__FieldAccessorTable;
+    #endregion
+    #region Descriptor
+    public static pbd::FileDescriptor Descriptor {
+      get { return descriptor; }
+    }
+    private static pbd::FileDescriptor descriptor;
+    
+    static UnitTestImportProtoFile() {
+      byte[] descriptorData = global::System.Convert.FromBase64String(
+          "CiVnb29nbGUvcHJvdG9idWYvdW5pdHRlc3RfaW1wb3J0LnByb3RvEhhwcm90" + 
+          "b2J1Zl91bml0dGVzdF9pbXBvcnQaJGdvb2dsZS9wcm90b2J1Zi9jc2hhcnBf" + 
+          "b3B0aW9ucy5wcm90byIaCg1JbXBvcnRNZXNzYWdlEgkKAWQYASABKAUqPAoK" + 
+          "SW1wb3J0RW51bRIOCgpJTVBPUlRfRk9PEAcSDgoKSU1QT1JUX0JBUhAIEg4K" + 
+          "CklNUE9SVF9CQVoQCUJbChhjb20uZ29vZ2xlLnByb3RvYnVmLnRlc3RIAcI+" + 
+          "PAohR29vZ2xlLlByb3RvY29sQnVmZmVycy5UZXN0UHJvdG9zEhdVbml0VGVz" + 
+          "dEltcG9ydFByb3RvRmlsZQ==");
+      pbd::FileDescriptor.InternalDescriptorAssigner assigner = delegate(pbd::FileDescriptor root) {
+        descriptor = root;
+        internal__static_protobuf_unittest_import_ImportMessage__Descriptor = Descriptor.MessageTypes[0];
+        internal__static_protobuf_unittest_import_ImportMessage__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ImportMessage, global::Google.ProtocolBuffers.TestProtos.ImportMessage.Builder>(internal__static_protobuf_unittest_import_ImportMessage__Descriptor,
+                new string[] { "D", });
+        pb::ExtensionRegistry registry = pb::ExtensionRegistry.CreateInstance();
+        RegisterAllExtensions(registry);
+        global::Google.ProtocolBuffers.DescriptorProtos.CSharpOptions.RegisterAllExtensions(registry);
+        return registry;
+      };
+      pbd::FileDescriptor.InternalBuildGeneratedFileFrom(descriptorData,
+          new pbd::FileDescriptor[] {
+          global::Google.ProtocolBuffers.DescriptorProtos.CSharpOptions.Descriptor, 
+          }, assigner);
+    }
+    #endregion
+    
+  }
+  #region Enums
+  public enum ImportEnum {
+    IMPORT_FOO = 7,
+    IMPORT_BAR = 8,
+    IMPORT_BAZ = 9,
+  }
+  
+  #endregion
+  
+  #region Messages
+  public sealed partial class ImportMessage : pb::GeneratedMessage<ImportMessage, ImportMessage.Builder> {
+    private static readonly ImportMessage defaultInstance = new Builder().BuildPartial();
+    public static ImportMessage DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override ImportMessage DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override ImportMessage ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestImportProtoFile.internal__static_protobuf_unittest_import_ImportMessage__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<ImportMessage, ImportMessage.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestImportProtoFile.internal__static_protobuf_unittest_import_ImportMessage__FieldAccessorTable; }
+    }
+    
+    public const int DFieldNumber = 1;
+    private bool hasD;
+    private int d_ = 0;
+    public bool HasD {
+      get { return hasD; }
+    }
+    public int D {
+      get { return d_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      if (HasD) {
+        output.WriteInt32(1, D);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasD) {
+          size += pb::CodedOutputStream.ComputeInt32Size(1, D);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static ImportMessage ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static ImportMessage ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static ImportMessage ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static ImportMessage ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static ImportMessage ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static ImportMessage ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static ImportMessage ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static ImportMessage ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static ImportMessage ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static ImportMessage ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(ImportMessage prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<ImportMessage, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      ImportMessage result = new ImportMessage();
+      
+      protected override ImportMessage MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new ImportMessage();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.ImportMessage.Descriptor; }
+      }
+      
+      public override ImportMessage DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.ImportMessage.DefaultInstance; }
+      }
+      
+      public override ImportMessage BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        ImportMessage returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is ImportMessage) {
+          return MergeFrom((ImportMessage) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(ImportMessage other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.ImportMessage.DefaultInstance) return this;
+        if (other.HasD) {
+          D = other.D;
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+            case 8: {
+              D = input.ReadInt32();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasD {
+        get { return result.HasD; }
+      }
+      public int D {
+        get { return result.D; }
+        set { SetD(value); }
+      }
+      public Builder SetD(int value) {
+        result.hasD = true;
+        result.d_ = value;
+        return this;
+      }
+      public Builder ClearD() {
+        result.hasD = false;
+        result.d_ = 0;
+        return this;
+      }
+    }
+    static ImportMessage() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestImportProtoFile.Descriptor, null);
+    }
+  }
+  
+  #endregion
+  
+}
diff --git a/src/ProtocolBuffersLite.Test/TestProtos/UnitTestLiteProtoFile.cs b/src/ProtocolBuffersLite.Test/TestProtos/UnitTestLiteProtoFile.cs
index 3808e6b3..4b1a018a 100644
--- a/src/ProtocolBuffersLite.Test/TestProtos/UnitTestLiteProtoFile.cs
+++ b/src/ProtocolBuffersLite.Test/TestProtos/UnitTestLiteProtoFile.cs
@@ -290,7 +290,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           default(int),
           null,
           null,
-          0,
+          global::Google.ProtocolBuffers.TestProtos.TestNestedExtensionLite.NestedExtensionFieldNumber,
           pbd::FieldType.Int32);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalInt32ExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, int>(
@@ -298,7 +298,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           default(int),
           null,
           null,
-          0,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalInt32ExtensionLiteFieldNumber,
           pbd::FieldType.Int32);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalInt64ExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, long>(
@@ -306,7 +306,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           default(long),
           null,
           null,
-          1,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalInt64ExtensionLiteFieldNumber,
           pbd::FieldType.Int64);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalUint32ExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, uint>(
@@ -314,7 +314,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           default(uint),
           null,
           null,
-          2,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalUint32ExtensionLiteFieldNumber,
           pbd::FieldType.UInt32);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalUint64ExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, ulong>(
@@ -322,7 +322,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           default(ulong),
           null,
           null,
-          3,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalUint64ExtensionLiteFieldNumber,
           pbd::FieldType.UInt64);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalSint32ExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, int>(
@@ -330,7 +330,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           default(int),
           null,
           null,
-          4,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalSint32ExtensionLiteFieldNumber,
           pbd::FieldType.SInt32);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalSint64ExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, long>(
@@ -338,7 +338,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           default(long),
           null,
           null,
-          5,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalSint64ExtensionLiteFieldNumber,
           pbd::FieldType.SInt64);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalFixed32ExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, uint>(
@@ -346,7 +346,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           default(uint),
           null,
           null,
-          6,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalFixed32ExtensionLiteFieldNumber,
           pbd::FieldType.Fixed32);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalFixed64ExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, ulong>(
@@ -354,7 +354,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           default(ulong),
           null,
           null,
-          7,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalFixed64ExtensionLiteFieldNumber,
           pbd::FieldType.Fixed64);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalSfixed32ExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, int>(
@@ -362,7 +362,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           default(int),
           null,
           null,
-          8,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalSfixed32ExtensionLiteFieldNumber,
           pbd::FieldType.SFixed32);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalSfixed64ExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, long>(
@@ -370,7 +370,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           default(long),
           null,
           null,
-          9,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalSfixed64ExtensionLiteFieldNumber,
           pbd::FieldType.SFixed64);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalFloatExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, float>(
@@ -378,7 +378,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           default(float),
           null,
           null,
-          10,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalFloatExtensionLiteFieldNumber,
           pbd::FieldType.Float);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalDoubleExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, double>(
@@ -386,7 +386,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           default(double),
           null,
           null,
-          11,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalDoubleExtensionLiteFieldNumber,
           pbd::FieldType.Double);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalBoolExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, bool>(
@@ -394,7 +394,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           default(bool),
           null,
           null,
-          12,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalBoolExtensionLiteFieldNumber,
           pbd::FieldType.Bool);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalStringExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, string>(
@@ -402,7 +402,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           null,
           null,
           null,
-          13,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalStringExtensionLiteFieldNumber,
           pbd::FieldType.String);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalBytesExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, pb::ByteString>(
@@ -410,7 +410,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           null,
           null,
           null,
-          14,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalBytesExtensionLiteFieldNumber,
           pbd::FieldType.Bytes);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalGroupExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, global::Google.ProtocolBuffers.TestProtos.OptionalGroup_extension_lite>(
@@ -418,7 +418,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           null,
           global::Google.ProtocolBuffers.TestProtos.OptionalGroup_extension_lite.DefaultInstance,
           null,
-          15,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalGroupExtensionLiteFieldNumber,
           pbd::FieldType.Group);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalNestedMessageExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, global::Google.ProtocolBuffers.TestProtos.TestAllTypesLite.Types.NestedMessage>(
@@ -426,7 +426,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           null,
           global::Google.ProtocolBuffers.TestProtos.TestAllTypesLite.Types.NestedMessage.DefaultInstance,
           null,
-          16,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalNestedMessageExtensionLiteFieldNumber,
           pbd::FieldType.Message);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalForeignMessageExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, global::Google.ProtocolBuffers.TestProtos.ForeignMessageLite>(
@@ -434,7 +434,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           null,
           global::Google.ProtocolBuffers.TestProtos.ForeignMessageLite.DefaultInstance,
           null,
-          17,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalForeignMessageExtensionLiteFieldNumber,
           pbd::FieldType.Message);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalImportMessageExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, global::Google.ProtocolBuffers.TestProtos.ImportMessageLite>(
@@ -442,7 +442,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           null,
           global::Google.ProtocolBuffers.TestProtos.ImportMessageLite.DefaultInstance,
           null,
-          18,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalImportMessageExtensionLiteFieldNumber,
           pbd::FieldType.Message);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalNestedEnumExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, global::Google.ProtocolBuffers.TestProtos.TestAllTypesLite.Types.NestedEnum>(
@@ -450,7 +450,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           default(global::Google.ProtocolBuffers.TestProtos.TestAllTypesLite.Types.NestedEnum),
           null,
           new EnumLiteMap<global::Google.ProtocolBuffers.TestProtos.TestAllTypesLite.Types.NestedEnum>(),
-          19,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalNestedEnumExtensionLiteFieldNumber,
           pbd::FieldType.Enum);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalForeignEnumExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, global::Google.ProtocolBuffers.TestProtos.ForeignEnumLite>(
@@ -458,7 +458,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           default(global::Google.ProtocolBuffers.TestProtos.ForeignEnumLite),
           null,
           new EnumLiteMap<global::Google.ProtocolBuffers.TestProtos.ForeignEnumLite>(),
-          20,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalForeignEnumExtensionLiteFieldNumber,
           pbd::FieldType.Enum);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalImportEnumExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, global::Google.ProtocolBuffers.TestProtos.ImportEnumLite>(
@@ -466,7 +466,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           default(global::Google.ProtocolBuffers.TestProtos.ImportEnumLite),
           null,
           new EnumLiteMap<global::Google.ProtocolBuffers.TestProtos.ImportEnumLite>(),
-          21,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalImportEnumExtensionLiteFieldNumber,
           pbd::FieldType.Enum);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalStringPieceExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, string>(
@@ -474,7 +474,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           null,
           null,
           null,
-          22,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalStringPieceExtensionLiteFieldNumber,
           pbd::FieldType.String);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalCordExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, string>(
@@ -482,14 +482,14 @@ namespace Google.ProtocolBuffers.TestProtos {
           null,
           null,
           null,
-          23,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.OptionalCordExtensionLiteFieldNumber,
           pbd::FieldType.String);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedInt32ExtensionLite = 
         new pb::GeneratedRepeatExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, int>(
           global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite.DefaultInstance,
           null,
           null,
-          24,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedInt32ExtensionLiteFieldNumber,
           pbd::FieldType.Int32,
           false);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedInt64ExtensionLite = 
@@ -497,7 +497,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite.DefaultInstance,
           null,
           null,
-          25,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedInt64ExtensionLiteFieldNumber,
           pbd::FieldType.Int64,
           false);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedUint32ExtensionLite = 
@@ -505,7 +505,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite.DefaultInstance,
           null,
           null,
-          26,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedUint32ExtensionLiteFieldNumber,
           pbd::FieldType.UInt32,
           false);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedUint64ExtensionLite = 
@@ -513,7 +513,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite.DefaultInstance,
           null,
           null,
-          27,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedUint64ExtensionLiteFieldNumber,
           pbd::FieldType.UInt64,
           false);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedSint32ExtensionLite = 
@@ -521,7 +521,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite.DefaultInstance,
           null,
           null,
-          28,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedSint32ExtensionLiteFieldNumber,
           pbd::FieldType.SInt32,
           false);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedSint64ExtensionLite = 
@@ -529,7 +529,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite.DefaultInstance,
           null,
           null,
-          29,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedSint64ExtensionLiteFieldNumber,
           pbd::FieldType.SInt64,
           false);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedFixed32ExtensionLite = 
@@ -537,7 +537,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite.DefaultInstance,
           null,
           null,
-          30,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedFixed32ExtensionLiteFieldNumber,
           pbd::FieldType.Fixed32,
           false);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedFixed64ExtensionLite = 
@@ -545,7 +545,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite.DefaultInstance,
           null,
           null,
-          31,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedFixed64ExtensionLiteFieldNumber,
           pbd::FieldType.Fixed64,
           false);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedSfixed32ExtensionLite = 
@@ -553,7 +553,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite.DefaultInstance,
           null,
           null,
-          32,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedSfixed32ExtensionLiteFieldNumber,
           pbd::FieldType.SFixed32,
           false);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedSfixed64ExtensionLite = 
@@ -561,7 +561,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite.DefaultInstance,
           null,
           null,
-          33,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedSfixed64ExtensionLiteFieldNumber,
           pbd::FieldType.SFixed64,
           false);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedFloatExtensionLite = 
@@ -569,7 +569,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite.DefaultInstance,
           null,
           null,
-          34,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedFloatExtensionLiteFieldNumber,
           pbd::FieldType.Float,
           false);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedDoubleExtensionLite = 
@@ -577,7 +577,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite.DefaultInstance,
           null,
           null,
-          35,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedDoubleExtensionLiteFieldNumber,
           pbd::FieldType.Double,
           false);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedBoolExtensionLite = 
@@ -585,7 +585,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite.DefaultInstance,
           null,
           null,
-          36,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedBoolExtensionLiteFieldNumber,
           pbd::FieldType.Bool,
           false);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedStringExtensionLite = 
@@ -593,7 +593,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite.DefaultInstance,
           null,
           null,
-          37,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedStringExtensionLiteFieldNumber,
           pbd::FieldType.String,
           false);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedBytesExtensionLite = 
@@ -601,7 +601,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite.DefaultInstance,
           null,
           null,
-          38,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedBytesExtensionLiteFieldNumber,
           pbd::FieldType.Bytes,
           false);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedGroupExtensionLite = 
@@ -609,7 +609,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite.DefaultInstance,
           global::Google.ProtocolBuffers.TestProtos.RepeatedGroup_extension_lite.DefaultInstance,
           null,
-          39,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedGroupExtensionLiteFieldNumber,
           pbd::FieldType.Group,
           false);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedNestedMessageExtensionLite = 
@@ -617,7 +617,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite.DefaultInstance,
           global::Google.ProtocolBuffers.TestProtos.TestAllTypesLite.Types.NestedMessage.DefaultInstance,
           null,
-          40,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedNestedMessageExtensionLiteFieldNumber,
           pbd::FieldType.Message,
           false);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedForeignMessageExtensionLite = 
@@ -625,7 +625,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite.DefaultInstance,
           global::Google.ProtocolBuffers.TestProtos.ForeignMessageLite.DefaultInstance,
           null,
-          41,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedForeignMessageExtensionLiteFieldNumber,
           pbd::FieldType.Message,
           false);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedImportMessageExtensionLite = 
@@ -633,7 +633,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite.DefaultInstance,
           global::Google.ProtocolBuffers.TestProtos.ImportMessageLite.DefaultInstance,
           null,
-          42,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedImportMessageExtensionLiteFieldNumber,
           pbd::FieldType.Message,
           false);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedNestedEnumExtensionLite = 
@@ -641,7 +641,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite.DefaultInstance,
           null,
           new EnumLiteMap<global::Google.ProtocolBuffers.TestProtos.TestAllTypesLite.Types.NestedEnum>(),
-          43,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedNestedEnumExtensionLiteFieldNumber,
           pbd::FieldType.Enum,
           false);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedForeignEnumExtensionLite = 
@@ -649,7 +649,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite.DefaultInstance,
           null,
           new EnumLiteMap<global::Google.ProtocolBuffers.TestProtos.ForeignEnumLite>(),
-          44,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedForeignEnumExtensionLiteFieldNumber,
           pbd::FieldType.Enum,
           false);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedImportEnumExtensionLite = 
@@ -657,7 +657,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite.DefaultInstance,
           null,
           new EnumLiteMap<global::Google.ProtocolBuffers.TestProtos.ImportEnumLite>(),
-          45,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedImportEnumExtensionLiteFieldNumber,
           pbd::FieldType.Enum,
           false);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedStringPieceExtensionLite = 
@@ -665,7 +665,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite.DefaultInstance,
           null,
           null,
-          46,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedStringPieceExtensionLiteFieldNumber,
           pbd::FieldType.String,
           false);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedCordExtensionLite = 
@@ -673,7 +673,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite.DefaultInstance,
           null,
           null,
-          47,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.RepeatedCordExtensionLiteFieldNumber,
           pbd::FieldType.String,
           false);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultInt32ExtensionLite = 
@@ -682,7 +682,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           41,
           null,
           null,
-          48,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultInt32ExtensionLiteFieldNumber,
           pbd::FieldType.Int32);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultInt64ExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, long>(
@@ -690,7 +690,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           42L,
           null,
           null,
-          49,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultInt64ExtensionLiteFieldNumber,
           pbd::FieldType.Int64);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultUint32ExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, uint>(
@@ -698,7 +698,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           43,
           null,
           null,
-          50,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultUint32ExtensionLiteFieldNumber,
           pbd::FieldType.UInt32);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultUint64ExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, ulong>(
@@ -706,7 +706,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           44UL,
           null,
           null,
-          51,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultUint64ExtensionLiteFieldNumber,
           pbd::FieldType.UInt64);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultSint32ExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, int>(
@@ -714,7 +714,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           -45,
           null,
           null,
-          52,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultSint32ExtensionLiteFieldNumber,
           pbd::FieldType.SInt32);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultSint64ExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, long>(
@@ -722,7 +722,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           46,
           null,
           null,
-          53,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultSint64ExtensionLiteFieldNumber,
           pbd::FieldType.SInt64);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultFixed32ExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, uint>(
@@ -730,7 +730,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           47,
           null,
           null,
-          54,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultFixed32ExtensionLiteFieldNumber,
           pbd::FieldType.Fixed32);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultFixed64ExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, ulong>(
@@ -738,7 +738,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           48,
           null,
           null,
-          55,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultFixed64ExtensionLiteFieldNumber,
           pbd::FieldType.Fixed64);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultSfixed32ExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, int>(
@@ -746,7 +746,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           49,
           null,
           null,
-          56,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultSfixed32ExtensionLiteFieldNumber,
           pbd::FieldType.SFixed32);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultSfixed64ExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, long>(
@@ -754,7 +754,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           -50,
           null,
           null,
-          57,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultSfixed64ExtensionLiteFieldNumber,
           pbd::FieldType.SFixed64);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultFloatExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, float>(
@@ -762,7 +762,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           51.5F,
           null,
           null,
-          58,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultFloatExtensionLiteFieldNumber,
           pbd::FieldType.Float);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultDoubleExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, double>(
@@ -770,7 +770,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           52000D,
           null,
           null,
-          59,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultDoubleExtensionLiteFieldNumber,
           pbd::FieldType.Double);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultBoolExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, bool>(
@@ -778,7 +778,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           true,
           null,
           null,
-          60,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultBoolExtensionLiteFieldNumber,
           pbd::FieldType.Bool);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultStringExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, string>(
@@ -786,7 +786,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           "hello",
           null,
           null,
-          61,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultStringExtensionLiteFieldNumber,
           pbd::FieldType.String);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultBytesExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, pb::ByteString>(
@@ -794,7 +794,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           ByteString.FromBase64("d29ybGQ="),
           null,
           null,
-          62,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultBytesExtensionLiteFieldNumber,
           pbd::FieldType.Bytes);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultNestedEnumExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, global::Google.ProtocolBuffers.TestProtos.TestAllTypesLite.Types.NestedEnum>(
@@ -802,7 +802,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestAllTypesLite.Types.NestedEnum.BAR,
           null,
           new EnumLiteMap<global::Google.ProtocolBuffers.TestProtos.TestAllTypesLite.Types.NestedEnum>(),
-          63,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultNestedEnumExtensionLiteFieldNumber,
           pbd::FieldType.Enum);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultForeignEnumExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, global::Google.ProtocolBuffers.TestProtos.ForeignEnumLite>(
@@ -810,7 +810,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.ForeignEnumLite.FOREIGN_LITE_BAR,
           null,
           new EnumLiteMap<global::Google.ProtocolBuffers.TestProtos.ForeignEnumLite>(),
-          64,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultForeignEnumExtensionLiteFieldNumber,
           pbd::FieldType.Enum);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultImportEnumExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, global::Google.ProtocolBuffers.TestProtos.ImportEnumLite>(
@@ -818,7 +818,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.ImportEnumLite.IMPORT_LITE_BAR,
           null,
           new EnumLiteMap<global::Google.ProtocolBuffers.TestProtos.ImportEnumLite>(),
-          65,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultImportEnumExtensionLiteFieldNumber,
           pbd::FieldType.Enum);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultStringPieceExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, string>(
@@ -826,7 +826,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           "abc",
           null,
           null,
-          66,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultStringPieceExtensionLiteFieldNumber,
           pbd::FieldType.String);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultCordExtensionLite = 
         new pb::GeneratedExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestAllExtensionsLite, string>(
@@ -834,14 +834,14 @@ namespace Google.ProtocolBuffers.TestProtos {
           "123",
           null,
           null,
-          67,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.DefaultCordExtensionLiteFieldNumber,
           pbd::FieldType.String);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedInt32ExtensionLite = 
         new pb::GeneratedRepeatExtensionLite<global::Google.ProtocolBuffers.TestProtos.TestPackedExtensionsLite, int>(
           global::Google.ProtocolBuffers.TestProtos.TestPackedExtensionsLite.DefaultInstance,
           null,
           null,
-          68,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedInt32ExtensionLiteFieldNumber,
           pbd::FieldType.Int32,
           true);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedInt64ExtensionLite = 
@@ -849,7 +849,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestPackedExtensionsLite.DefaultInstance,
           null,
           null,
-          69,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedInt64ExtensionLiteFieldNumber,
           pbd::FieldType.Int64,
           true);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedUint32ExtensionLite = 
@@ -857,7 +857,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestPackedExtensionsLite.DefaultInstance,
           null,
           null,
-          70,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedUint32ExtensionLiteFieldNumber,
           pbd::FieldType.UInt32,
           true);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedUint64ExtensionLite = 
@@ -865,7 +865,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestPackedExtensionsLite.DefaultInstance,
           null,
           null,
-          71,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedUint64ExtensionLiteFieldNumber,
           pbd::FieldType.UInt64,
           true);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedSint32ExtensionLite = 
@@ -873,7 +873,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestPackedExtensionsLite.DefaultInstance,
           null,
           null,
-          72,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedSint32ExtensionLiteFieldNumber,
           pbd::FieldType.SInt32,
           true);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedSint64ExtensionLite = 
@@ -881,7 +881,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestPackedExtensionsLite.DefaultInstance,
           null,
           null,
-          73,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedSint64ExtensionLiteFieldNumber,
           pbd::FieldType.SInt64,
           true);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedFixed32ExtensionLite = 
@@ -889,7 +889,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestPackedExtensionsLite.DefaultInstance,
           null,
           null,
-          74,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedFixed32ExtensionLiteFieldNumber,
           pbd::FieldType.Fixed32,
           true);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedFixed64ExtensionLite = 
@@ -897,7 +897,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestPackedExtensionsLite.DefaultInstance,
           null,
           null,
-          75,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedFixed64ExtensionLiteFieldNumber,
           pbd::FieldType.Fixed64,
           true);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedSfixed32ExtensionLite = 
@@ -905,7 +905,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestPackedExtensionsLite.DefaultInstance,
           null,
           null,
-          76,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedSfixed32ExtensionLiteFieldNumber,
           pbd::FieldType.SFixed32,
           true);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedSfixed64ExtensionLite = 
@@ -913,7 +913,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestPackedExtensionsLite.DefaultInstance,
           null,
           null,
-          77,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedSfixed64ExtensionLiteFieldNumber,
           pbd::FieldType.SFixed64,
           true);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedFloatExtensionLite = 
@@ -921,7 +921,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestPackedExtensionsLite.DefaultInstance,
           null,
           null,
-          78,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedFloatExtensionLiteFieldNumber,
           pbd::FieldType.Float,
           true);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedDoubleExtensionLite = 
@@ -929,7 +929,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestPackedExtensionsLite.DefaultInstance,
           null,
           null,
-          79,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedDoubleExtensionLiteFieldNumber,
           pbd::FieldType.Double,
           true);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedBoolExtensionLite = 
@@ -937,7 +937,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestPackedExtensionsLite.DefaultInstance,
           null,
           null,
-          80,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedBoolExtensionLiteFieldNumber,
           pbd::FieldType.Bool,
           true);
       global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedEnumExtensionLite = 
@@ -945,7 +945,7 @@ namespace Google.ProtocolBuffers.TestProtos {
           global::Google.ProtocolBuffers.TestProtos.TestPackedExtensionsLite.DefaultInstance,
           null,
           new EnumLiteMap<global::Google.ProtocolBuffers.TestProtos.ForeignEnumLite>(),
-          81,
+          global::Google.ProtocolBuffers.TestProtos.UnitTestLiteProtoFile.PackedEnumExtensionLiteFieldNumber,
           pbd::FieldType.Enum,
           true);
     }
diff --git a/src/ProtocolBuffersLite.Test/TestProtos/UnitTestProtoFile.cs b/src/ProtocolBuffersLite.Test/TestProtos/UnitTestProtoFile.cs
new file mode 100644
index 00000000..6e6d7c40
--- /dev/null
+++ b/src/ProtocolBuffersLite.Test/TestProtos/UnitTestProtoFile.cs
@@ -0,0 +1,18623 @@
+// Generated by ProtoGen, Version=0.9.0.0, Culture=neutral, PublicKeyToken=8fd7408b07f8d2cd.  DO NOT EDIT!
+
+using pb = global::Google.ProtocolBuffers;
+using pbc = global::Google.ProtocolBuffers.Collections;
+using pbd = global::Google.ProtocolBuffers.Descriptors;
+using scg = global::System.Collections.Generic;
+namespace Google.ProtocolBuffers.TestProtos {
+  
+  public static partial class UnitTestProtoFile {
+  
+    #region Extension registration
+    public static void RegisterAllExtensions(pb::ExtensionRegistry registry) {
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalInt32Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalInt64Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalUint32Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalUint64Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalSint32Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalSint64Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalFixed32Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalFixed64Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalSfixed32Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalSfixed64Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalFloatExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalDoubleExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalBoolExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalStringExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalBytesExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalGroupExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalNestedMessageExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalForeignMessageExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalImportMessageExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalNestedEnumExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalForeignEnumExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalImportEnumExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalStringPieceExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalCordExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedInt32Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedInt64Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedUint32Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedUint64Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedSint32Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedSint64Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedFixed32Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedFixed64Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedSfixed32Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedSfixed64Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedFloatExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedDoubleExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedBoolExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedStringExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedBytesExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedGroupExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedNestedMessageExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedForeignMessageExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedImportMessageExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedNestedEnumExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedForeignEnumExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedImportEnumExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedStringPieceExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedCordExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultInt32Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultInt64Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultUint32Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultUint64Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultSint32Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultSint64Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultFixed32Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultFixed64Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultSfixed32Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultSfixed64Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultFloatExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultDoubleExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultBoolExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultStringExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultBytesExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultNestedEnumExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultForeignEnumExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultImportEnumExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultStringPieceExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultCordExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.MyExtensionString);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.MyExtensionInt);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedInt32Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedInt64Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedUint32Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedUint64Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedSint32Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedSint64Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedFixed32Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedFixed64Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedSfixed32Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedSfixed64Extension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedFloatExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedDoubleExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedBoolExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedEnumExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.TestNestedExtension.Test);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.TestRequired.Single);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.TestRequired.Multi);
+    }
+    #endregion
+    #region Extensions
+    public const int OptionalInt32ExtensionFieldNumber = 1;
+    public static pb::GeneratedExtensionBase<int> OptionalInt32Extension;
+    public const int OptionalInt64ExtensionFieldNumber = 2;
+    public static pb::GeneratedExtensionBase<long> OptionalInt64Extension;
+    public const int OptionalUint32ExtensionFieldNumber = 3;
+    [global::System.CLSCompliant(false)]
+    public static pb::GeneratedExtensionBase<uint> OptionalUint32Extension;
+    public const int OptionalUint64ExtensionFieldNumber = 4;
+    [global::System.CLSCompliant(false)]
+    public static pb::GeneratedExtensionBase<ulong> OptionalUint64Extension;
+    public const int OptionalSint32ExtensionFieldNumber = 5;
+    public static pb::GeneratedExtensionBase<int> OptionalSint32Extension;
+    public const int OptionalSint64ExtensionFieldNumber = 6;
+    public static pb::GeneratedExtensionBase<long> OptionalSint64Extension;
+    public const int OptionalFixed32ExtensionFieldNumber = 7;
+    [global::System.CLSCompliant(false)]
+    public static pb::GeneratedExtensionBase<uint> OptionalFixed32Extension;
+    public const int OptionalFixed64ExtensionFieldNumber = 8;
+    [global::System.CLSCompliant(false)]
+    public static pb::GeneratedExtensionBase<ulong> OptionalFixed64Extension;
+    public const int OptionalSfixed32ExtensionFieldNumber = 9;
+    public static pb::GeneratedExtensionBase<int> OptionalSfixed32Extension;
+    public const int OptionalSfixed64ExtensionFieldNumber = 10;
+    public static pb::GeneratedExtensionBase<long> OptionalSfixed64Extension;
+    public const int OptionalFloatExtensionFieldNumber = 11;
+    public static pb::GeneratedExtensionBase<float> OptionalFloatExtension;
+    public const int OptionalDoubleExtensionFieldNumber = 12;
+    public static pb::GeneratedExtensionBase<double> OptionalDoubleExtension;
+    public const int OptionalBoolExtensionFieldNumber = 13;
+    public static pb::GeneratedExtensionBase<bool> OptionalBoolExtension;
+    public const int OptionalStringExtensionFieldNumber = 14;
+    public static pb::GeneratedExtensionBase<string> OptionalStringExtension;
+    public const int OptionalBytesExtensionFieldNumber = 15;
+    public static pb::GeneratedExtensionBase<pb::ByteString> OptionalBytesExtension;
+    public const int OptionalGroupExtensionFieldNumber = 16;
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.OptionalGroup_extension> OptionalGroupExtension;
+    public const int OptionalNestedMessageExtensionFieldNumber = 18;
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage> OptionalNestedMessageExtension;
+    public const int OptionalForeignMessageExtensionFieldNumber = 19;
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> OptionalForeignMessageExtension;
+    public const int OptionalImportMessageExtensionFieldNumber = 20;
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ImportMessage> OptionalImportMessageExtension;
+    public const int OptionalNestedEnumExtensionFieldNumber = 21;
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum> OptionalNestedEnumExtension;
+    public const int OptionalForeignEnumExtensionFieldNumber = 22;
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> OptionalForeignEnumExtension;
+    public const int OptionalImportEnumExtensionFieldNumber = 23;
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ImportEnum> OptionalImportEnumExtension;
+    public const int OptionalStringPieceExtensionFieldNumber = 24;
+    public static pb::GeneratedExtensionBase<string> OptionalStringPieceExtension;
+    public const int OptionalCordExtensionFieldNumber = 25;
+    public static pb::GeneratedExtensionBase<string> OptionalCordExtension;
+    public const int RepeatedInt32ExtensionFieldNumber = 31;
+    public static pb::GeneratedExtensionBase<scg::IList<int>> RepeatedInt32Extension;
+    public const int RepeatedInt64ExtensionFieldNumber = 32;
+    public static pb::GeneratedExtensionBase<scg::IList<long>> RepeatedInt64Extension;
+    public const int RepeatedUint32ExtensionFieldNumber = 33;
+    [global::System.CLSCompliant(false)]
+    public static pb::GeneratedExtensionBase<scg::IList<uint>> RepeatedUint32Extension;
+    public const int RepeatedUint64ExtensionFieldNumber = 34;
+    [global::System.CLSCompliant(false)]
+    public static pb::GeneratedExtensionBase<scg::IList<ulong>> RepeatedUint64Extension;
+    public const int RepeatedSint32ExtensionFieldNumber = 35;
+    public static pb::GeneratedExtensionBase<scg::IList<int>> RepeatedSint32Extension;
+    public const int RepeatedSint64ExtensionFieldNumber = 36;
+    public static pb::GeneratedExtensionBase<scg::IList<long>> RepeatedSint64Extension;
+    public const int RepeatedFixed32ExtensionFieldNumber = 37;
+    [global::System.CLSCompliant(false)]
+    public static pb::GeneratedExtensionBase<scg::IList<uint>> RepeatedFixed32Extension;
+    public const int RepeatedFixed64ExtensionFieldNumber = 38;
+    [global::System.CLSCompliant(false)]
+    public static pb::GeneratedExtensionBase<scg::IList<ulong>> RepeatedFixed64Extension;
+    public const int RepeatedSfixed32ExtensionFieldNumber = 39;
+    public static pb::GeneratedExtensionBase<scg::IList<int>> RepeatedSfixed32Extension;
+    public const int RepeatedSfixed64ExtensionFieldNumber = 40;
+    public static pb::GeneratedExtensionBase<scg::IList<long>> RepeatedSfixed64Extension;
+    public const int RepeatedFloatExtensionFieldNumber = 41;
+    public static pb::GeneratedExtensionBase<scg::IList<float>> RepeatedFloatExtension;
+    public const int RepeatedDoubleExtensionFieldNumber = 42;
+    public static pb::GeneratedExtensionBase<scg::IList<double>> RepeatedDoubleExtension;
+    public const int RepeatedBoolExtensionFieldNumber = 43;
+    public static pb::GeneratedExtensionBase<scg::IList<bool>> RepeatedBoolExtension;
+    public const int RepeatedStringExtensionFieldNumber = 44;
+    public static pb::GeneratedExtensionBase<scg::IList<string>> RepeatedStringExtension;
+    public const int RepeatedBytesExtensionFieldNumber = 45;
+    public static pb::GeneratedExtensionBase<scg::IList<pb::ByteString>> RepeatedBytesExtension;
+    public const int RepeatedGroupExtensionFieldNumber = 46;
+    public static pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.RepeatedGroup_extension>> RepeatedGroupExtension;
+    public const int RepeatedNestedMessageExtensionFieldNumber = 48;
+    public static pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage>> RepeatedNestedMessageExtension;
+    public const int RepeatedForeignMessageExtensionFieldNumber = 49;
+    public static pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage>> RepeatedForeignMessageExtension;
+    public const int RepeatedImportMessageExtensionFieldNumber = 50;
+    public static pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.ImportMessage>> RepeatedImportMessageExtension;
+    public const int RepeatedNestedEnumExtensionFieldNumber = 51;
+    public static pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum>> RepeatedNestedEnumExtension;
+    public const int RepeatedForeignEnumExtensionFieldNumber = 52;
+    public static pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum>> RepeatedForeignEnumExtension;
+    public const int RepeatedImportEnumExtensionFieldNumber = 53;
+    public static pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.ImportEnum>> RepeatedImportEnumExtension;
+    public const int RepeatedStringPieceExtensionFieldNumber = 54;
+    public static pb::GeneratedExtensionBase<scg::IList<string>> RepeatedStringPieceExtension;
+    public const int RepeatedCordExtensionFieldNumber = 55;
+    public static pb::GeneratedExtensionBase<scg::IList<string>> RepeatedCordExtension;
+    public const int DefaultInt32ExtensionFieldNumber = 61;
+    public static pb::GeneratedExtensionBase<int> DefaultInt32Extension;
+    public const int DefaultInt64ExtensionFieldNumber = 62;
+    public static pb::GeneratedExtensionBase<long> DefaultInt64Extension;
+    public const int DefaultUint32ExtensionFieldNumber = 63;
+    [global::System.CLSCompliant(false)]
+    public static pb::GeneratedExtensionBase<uint> DefaultUint32Extension;
+    public const int DefaultUint64ExtensionFieldNumber = 64;
+    [global::System.CLSCompliant(false)]
+    public static pb::GeneratedExtensionBase<ulong> DefaultUint64Extension;
+    public const int DefaultSint32ExtensionFieldNumber = 65;
+    public static pb::GeneratedExtensionBase<int> DefaultSint32Extension;
+    public const int DefaultSint64ExtensionFieldNumber = 66;
+    public static pb::GeneratedExtensionBase<long> DefaultSint64Extension;
+    public const int DefaultFixed32ExtensionFieldNumber = 67;
+    [global::System.CLSCompliant(false)]
+    public static pb::GeneratedExtensionBase<uint> DefaultFixed32Extension;
+    public const int DefaultFixed64ExtensionFieldNumber = 68;
+    [global::System.CLSCompliant(false)]
+    public static pb::GeneratedExtensionBase<ulong> DefaultFixed64Extension;
+    public const int DefaultSfixed32ExtensionFieldNumber = 69;
+    public static pb::GeneratedExtensionBase<int> DefaultSfixed32Extension;
+    public const int DefaultSfixed64ExtensionFieldNumber = 70;
+    public static pb::GeneratedExtensionBase<long> DefaultSfixed64Extension;
+    public const int DefaultFloatExtensionFieldNumber = 71;
+    public static pb::GeneratedExtensionBase<float> DefaultFloatExtension;
+    public const int DefaultDoubleExtensionFieldNumber = 72;
+    public static pb::GeneratedExtensionBase<double> DefaultDoubleExtension;
+    public const int DefaultBoolExtensionFieldNumber = 73;
+    public static pb::GeneratedExtensionBase<bool> DefaultBoolExtension;
+    public const int DefaultStringExtensionFieldNumber = 74;
+    public static pb::GeneratedExtensionBase<string> DefaultStringExtension;
+    public const int DefaultBytesExtensionFieldNumber = 75;
+    public static pb::GeneratedExtensionBase<pb::ByteString> DefaultBytesExtension;
+    public const int DefaultNestedEnumExtensionFieldNumber = 81;
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum> DefaultNestedEnumExtension;
+    public const int DefaultForeignEnumExtensionFieldNumber = 82;
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> DefaultForeignEnumExtension;
+    public const int DefaultImportEnumExtensionFieldNumber = 83;
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ImportEnum> DefaultImportEnumExtension;
+    public const int DefaultStringPieceExtensionFieldNumber = 84;
+    public static pb::GeneratedExtensionBase<string> DefaultStringPieceExtension;
+    public const int DefaultCordExtensionFieldNumber = 85;
+    public static pb::GeneratedExtensionBase<string> DefaultCordExtension;
+    public const int MyExtensionStringFieldNumber = 50;
+    public static pb::GeneratedExtensionBase<string> MyExtensionString;
+    public const int MyExtensionIntFieldNumber = 5;
+    public static pb::GeneratedExtensionBase<int> MyExtensionInt;
+    public const int PackedInt32ExtensionFieldNumber = 90;
+    public static pb::GeneratedExtensionBase<scg::IList<int>> PackedInt32Extension;
+    public const int PackedInt64ExtensionFieldNumber = 91;
+    public static pb::GeneratedExtensionBase<scg::IList<long>> PackedInt64Extension;
+    public const int PackedUint32ExtensionFieldNumber = 92;
+    [global::System.CLSCompliant(false)]
+    public static pb::GeneratedExtensionBase<scg::IList<uint>> PackedUint32Extension;
+    public const int PackedUint64ExtensionFieldNumber = 93;
+    [global::System.CLSCompliant(false)]
+    public static pb::GeneratedExtensionBase<scg::IList<ulong>> PackedUint64Extension;
+    public const int PackedSint32ExtensionFieldNumber = 94;
+    public static pb::GeneratedExtensionBase<scg::IList<int>> PackedSint32Extension;
+    public const int PackedSint64ExtensionFieldNumber = 95;
+    public static pb::GeneratedExtensionBase<scg::IList<long>> PackedSint64Extension;
+    public const int PackedFixed32ExtensionFieldNumber = 96;
+    [global::System.CLSCompliant(false)]
+    public static pb::GeneratedExtensionBase<scg::IList<uint>> PackedFixed32Extension;
+    public const int PackedFixed64ExtensionFieldNumber = 97;
+    [global::System.CLSCompliant(false)]
+    public static pb::GeneratedExtensionBase<scg::IList<ulong>> PackedFixed64Extension;
+    public const int PackedSfixed32ExtensionFieldNumber = 98;
+    public static pb::GeneratedExtensionBase<scg::IList<int>> PackedSfixed32Extension;
+    public const int PackedSfixed64ExtensionFieldNumber = 99;
+    public static pb::GeneratedExtensionBase<scg::IList<long>> PackedSfixed64Extension;
+    public const int PackedFloatExtensionFieldNumber = 100;
+    public static pb::GeneratedExtensionBase<scg::IList<float>> PackedFloatExtension;
+    public const int PackedDoubleExtensionFieldNumber = 101;
+    public static pb::GeneratedExtensionBase<scg::IList<double>> PackedDoubleExtension;
+    public const int PackedBoolExtensionFieldNumber = 102;
+    public static pb::GeneratedExtensionBase<scg::IList<bool>> PackedBoolExtension;
+    public const int PackedEnumExtensionFieldNumber = 103;
+    public static pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum>> PackedEnumExtension;
+    #endregion
+    
+    #region Static variables
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestAllTypes__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestAllTypes, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Builder> internal__static_protobuf_unittest_TestAllTypes__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestAllTypes_NestedMessage__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.Builder> internal__static_protobuf_unittest_TestAllTypes_NestedMessage__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestAllTypes_OptionalGroup__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup.Builder> internal__static_protobuf_unittest_TestAllTypes_OptionalGroup__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestAllTypes_RepeatedGroup__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup.Builder> internal__static_protobuf_unittest_TestAllTypes_RepeatedGroup__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestDeprecatedFields__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestDeprecatedFields, global::Google.ProtocolBuffers.TestProtos.TestDeprecatedFields.Builder> internal__static_protobuf_unittest_TestDeprecatedFields__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_ForeignMessage__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ForeignMessage, global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder> internal__static_protobuf_unittest_ForeignMessage__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestAllExtensions__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestAllExtensions, global::Google.ProtocolBuffers.TestProtos.TestAllExtensions.Builder> internal__static_protobuf_unittest_TestAllExtensions__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_OptionalGroup_extension__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.OptionalGroup_extension, global::Google.ProtocolBuffers.TestProtos.OptionalGroup_extension.Builder> internal__static_protobuf_unittest_OptionalGroup_extension__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_RepeatedGroup_extension__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.RepeatedGroup_extension, global::Google.ProtocolBuffers.TestProtos.RepeatedGroup_extension.Builder> internal__static_protobuf_unittest_RepeatedGroup_extension__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestNestedExtension__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestNestedExtension, global::Google.ProtocolBuffers.TestProtos.TestNestedExtension.Builder> internal__static_protobuf_unittest_TestNestedExtension__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestRequired__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestRequired, global::Google.ProtocolBuffers.TestProtos.TestRequired.Builder> internal__static_protobuf_unittest_TestRequired__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestRequiredForeign__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestRequiredForeign, global::Google.ProtocolBuffers.TestProtos.TestRequiredForeign.Builder> internal__static_protobuf_unittest_TestRequiredForeign__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestForeignNested__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestForeignNested, global::Google.ProtocolBuffers.TestProtos.TestForeignNested.Builder> internal__static_protobuf_unittest_TestForeignNested__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestEmptyMessage__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestEmptyMessage, global::Google.ProtocolBuffers.TestProtos.TestEmptyMessage.Builder> internal__static_protobuf_unittest_TestEmptyMessage__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestEmptyMessageWithExtensions__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestEmptyMessageWithExtensions, global::Google.ProtocolBuffers.TestProtos.TestEmptyMessageWithExtensions.Builder> internal__static_protobuf_unittest_TestEmptyMessageWithExtensions__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestMultipleExtensionRanges__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMultipleExtensionRanges, global::Google.ProtocolBuffers.TestProtos.TestMultipleExtensionRanges.Builder> internal__static_protobuf_unittest_TestMultipleExtensionRanges__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestReallyLargeTagNumber__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestReallyLargeTagNumber, global::Google.ProtocolBuffers.TestProtos.TestReallyLargeTagNumber.Builder> internal__static_protobuf_unittest_TestReallyLargeTagNumber__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestRecursiveMessage__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage, global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage.Builder> internal__static_protobuf_unittest_TestRecursiveMessage__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestMutualRecursionA__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA, global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA.Builder> internal__static_protobuf_unittest_TestMutualRecursionA__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestMutualRecursionB__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB, global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB.Builder> internal__static_protobuf_unittest_TestMutualRecursionB__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestDupFieldNumber__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber, global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Builder> internal__static_protobuf_unittest_TestDupFieldNumber__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestDupFieldNumber_Foo__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo, global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo.Builder> internal__static_protobuf_unittest_TestDupFieldNumber_Foo__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestDupFieldNumber_Bar__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar, global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar.Builder> internal__static_protobuf_unittest_TestDupFieldNumber_Bar__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestNestedMessageHasBits__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits, global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Builder> internal__static_protobuf_unittest_TestNestedMessageHasBits__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestNestedMessageHasBits_NestedMessage__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage, global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage.Builder> internal__static_protobuf_unittest_TestNestedMessageHasBits_NestedMessage__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestCamelCaseFieldNames__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestCamelCaseFieldNames, global::Google.ProtocolBuffers.TestProtos.TestCamelCaseFieldNames.Builder> internal__static_protobuf_unittest_TestCamelCaseFieldNames__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestFieldOrderings__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestFieldOrderings, global::Google.ProtocolBuffers.TestProtos.TestFieldOrderings.Builder> internal__static_protobuf_unittest_TestFieldOrderings__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestExtremeDefaultValues__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestExtremeDefaultValues, global::Google.ProtocolBuffers.TestProtos.TestExtremeDefaultValues.Builder> internal__static_protobuf_unittest_TestExtremeDefaultValues__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_OneString__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.OneString, global::Google.ProtocolBuffers.TestProtos.OneString.Builder> internal__static_protobuf_unittest_OneString__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_OneBytes__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.OneBytes, global::Google.ProtocolBuffers.TestProtos.OneBytes.Builder> internal__static_protobuf_unittest_OneBytes__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestPackedTypes__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestPackedTypes, global::Google.ProtocolBuffers.TestProtos.TestPackedTypes.Builder> internal__static_protobuf_unittest_TestPackedTypes__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestUnpackedTypes__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestUnpackedTypes, global::Google.ProtocolBuffers.TestProtos.TestUnpackedTypes.Builder> internal__static_protobuf_unittest_TestUnpackedTypes__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestPackedExtensions__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestPackedExtensions, global::Google.ProtocolBuffers.TestProtos.TestPackedExtensions.Builder> internal__static_protobuf_unittest_TestPackedExtensions__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestDynamicExtensions__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions, global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Builder> internal__static_protobuf_unittest_TestDynamicExtensions__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestDynamicExtensions_DynamicMessageType__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicMessageType, global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicMessageType.Builder> internal__static_protobuf_unittest_TestDynamicExtensions_DynamicMessageType__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestRepeatedScalarDifferentTagSizes__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestRepeatedScalarDifferentTagSizes, global::Google.ProtocolBuffers.TestProtos.TestRepeatedScalarDifferentTagSizes.Builder> internal__static_protobuf_unittest_TestRepeatedScalarDifferentTagSizes__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_FooRequest__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.FooRequest, global::Google.ProtocolBuffers.TestProtos.FooRequest.Builder> internal__static_protobuf_unittest_FooRequest__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_FooResponse__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.FooResponse, global::Google.ProtocolBuffers.TestProtos.FooResponse.Builder> internal__static_protobuf_unittest_FooResponse__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_BarRequest__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.BarRequest, global::Google.ProtocolBuffers.TestProtos.BarRequest.Builder> internal__static_protobuf_unittest_BarRequest__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_BarResponse__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.BarResponse, global::Google.ProtocolBuffers.TestProtos.BarResponse.Builder> internal__static_protobuf_unittest_BarResponse__FieldAccessorTable;
+    #endregion
+    #region Descriptor
+    public static pbd::FileDescriptor Descriptor {
+      get { return descriptor; }
+    }
+    private static pbd::FileDescriptor descriptor;
+    
+    static UnitTestProtoFile() {
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+      pbd::FileDescriptor.InternalDescriptorAssigner assigner = delegate(pbd::FileDescriptor root) {
+        descriptor = root;
+        internal__static_protobuf_unittest_TestAllTypes__Descriptor = Descriptor.MessageTypes[0];
+        internal__static_protobuf_unittest_TestAllTypes__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestAllTypes, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Builder>(internal__static_protobuf_unittest_TestAllTypes__Descriptor,
+                new string[] { "OptionalInt32", "OptionalInt64", "OptionalUint32", "OptionalUint64", "OptionalSint32", "OptionalSint64", "OptionalFixed32", "OptionalFixed64", "OptionalSfixed32", "OptionalSfixed64", "OptionalFloat", "OptionalDouble", "OptionalBool", "OptionalString", "OptionalBytes", "OptionalGroup", "OptionalNestedMessage", "OptionalForeignMessage", "OptionalImportMessage", "OptionalNestedEnum", "OptionalForeignEnum", "OptionalImportEnum", "OptionalStringPiece", "OptionalCord", "RepeatedInt32", "RepeatedInt64", "RepeatedUint32", "RepeatedUint64", "RepeatedSint32", "RepeatedSint64", "RepeatedFixed32", "RepeatedFixed64", "RepeatedSfixed32", "RepeatedSfixed64", "RepeatedFloat", "RepeatedDouble", "RepeatedBool", "RepeatedString", "RepeatedBytes", "RepeatedGroup", "RepeatedNestedMessage", "RepeatedForeignMessage", "RepeatedImportMessage", "RepeatedNestedEnum", "RepeatedForeignEnum", "RepeatedImportEnum", "RepeatedStringPiece", "RepeatedCord", "DefaultInt32", "DefaultInt64", "DefaultUint32", "DefaultUint64", "DefaultSint32", "DefaultSint64", "DefaultFixed32", "DefaultFixed64", "DefaultSfixed32", "DefaultSfixed64", "DefaultFloat", "DefaultDouble", "DefaultBool", "DefaultString", "DefaultBytes", "DefaultNestedEnum", "DefaultForeignEnum", "DefaultImportEnum", "DefaultStringPiece", "DefaultCord", });
+        internal__static_protobuf_unittest_TestAllTypes_NestedMessage__Descriptor = internal__static_protobuf_unittest_TestAllTypes__Descriptor.NestedTypes[0];
+        internal__static_protobuf_unittest_TestAllTypes_NestedMessage__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.Builder>(internal__static_protobuf_unittest_TestAllTypes_NestedMessage__Descriptor,
+                new string[] { "Bb", });
+        internal__static_protobuf_unittest_TestAllTypes_OptionalGroup__Descriptor = internal__static_protobuf_unittest_TestAllTypes__Descriptor.NestedTypes[1];
+        internal__static_protobuf_unittest_TestAllTypes_OptionalGroup__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup.Builder>(internal__static_protobuf_unittest_TestAllTypes_OptionalGroup__Descriptor,
+                new string[] { "A", });
+        internal__static_protobuf_unittest_TestAllTypes_RepeatedGroup__Descriptor = internal__static_protobuf_unittest_TestAllTypes__Descriptor.NestedTypes[2];
+        internal__static_protobuf_unittest_TestAllTypes_RepeatedGroup__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup.Builder>(internal__static_protobuf_unittest_TestAllTypes_RepeatedGroup__Descriptor,
+                new string[] { "A", });
+        internal__static_protobuf_unittest_TestDeprecatedFields__Descriptor = Descriptor.MessageTypes[1];
+        internal__static_protobuf_unittest_TestDeprecatedFields__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestDeprecatedFields, global::Google.ProtocolBuffers.TestProtos.TestDeprecatedFields.Builder>(internal__static_protobuf_unittest_TestDeprecatedFields__Descriptor,
+                new string[] { "DeprecatedInt32", });
+        internal__static_protobuf_unittest_ForeignMessage__Descriptor = Descriptor.MessageTypes[2];
+        internal__static_protobuf_unittest_ForeignMessage__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ForeignMessage, global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder>(internal__static_protobuf_unittest_ForeignMessage__Descriptor,
+                new string[] { "C", });
+        internal__static_protobuf_unittest_TestAllExtensions__Descriptor = Descriptor.MessageTypes[3];
+        internal__static_protobuf_unittest_TestAllExtensions__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestAllExtensions, global::Google.ProtocolBuffers.TestProtos.TestAllExtensions.Builder>(internal__static_protobuf_unittest_TestAllExtensions__Descriptor,
+                new string[] { });
+        internal__static_protobuf_unittest_OptionalGroup_extension__Descriptor = Descriptor.MessageTypes[4];
+        internal__static_protobuf_unittest_OptionalGroup_extension__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.OptionalGroup_extension, global::Google.ProtocolBuffers.TestProtos.OptionalGroup_extension.Builder>(internal__static_protobuf_unittest_OptionalGroup_extension__Descriptor,
+                new string[] { "A", });
+        internal__static_protobuf_unittest_RepeatedGroup_extension__Descriptor = Descriptor.MessageTypes[5];
+        internal__static_protobuf_unittest_RepeatedGroup_extension__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.RepeatedGroup_extension, global::Google.ProtocolBuffers.TestProtos.RepeatedGroup_extension.Builder>(internal__static_protobuf_unittest_RepeatedGroup_extension__Descriptor,
+                new string[] { "A", });
+        internal__static_protobuf_unittest_TestNestedExtension__Descriptor = Descriptor.MessageTypes[6];
+        internal__static_protobuf_unittest_TestNestedExtension__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestNestedExtension, global::Google.ProtocolBuffers.TestProtos.TestNestedExtension.Builder>(internal__static_protobuf_unittest_TestNestedExtension__Descriptor,
+                new string[] { });
+        global::Google.ProtocolBuffers.TestProtos.TestNestedExtension.Test = pb::GeneratedSingleExtension<string>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.TestNestedExtension.Descriptor.Extensions[0]);
+        internal__static_protobuf_unittest_TestRequired__Descriptor = Descriptor.MessageTypes[7];
+        internal__static_protobuf_unittest_TestRequired__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestRequired, global::Google.ProtocolBuffers.TestProtos.TestRequired.Builder>(internal__static_protobuf_unittest_TestRequired__Descriptor,
+                new string[] { "A", "Dummy2", "B", "Dummy4", "Dummy5", "Dummy6", "Dummy7", "Dummy8", "Dummy9", "Dummy10", "Dummy11", "Dummy12", "Dummy13", "Dummy14", "Dummy15", "Dummy16", "Dummy17", "Dummy18", "Dummy19", "Dummy20", "Dummy21", "Dummy22", "Dummy23", "Dummy24", "Dummy25", "Dummy26", "Dummy27", "Dummy28", "Dummy29", "Dummy30", "Dummy31", "Dummy32", "C", });
+        global::Google.ProtocolBuffers.TestProtos.TestRequired.Single = pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.TestRequired>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.TestRequired.Descriptor.Extensions[0]);
+        global::Google.ProtocolBuffers.TestProtos.TestRequired.Multi = pb::GeneratedRepeatExtension<global::Google.ProtocolBuffers.TestProtos.TestRequired>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.TestRequired.Descriptor.Extensions[1]);
+        internal__static_protobuf_unittest_TestRequiredForeign__Descriptor = Descriptor.MessageTypes[8];
+        internal__static_protobuf_unittest_TestRequiredForeign__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestRequiredForeign, global::Google.ProtocolBuffers.TestProtos.TestRequiredForeign.Builder>(internal__static_protobuf_unittest_TestRequiredForeign__Descriptor,
+                new string[] { "OptionalMessage", "RepeatedMessage", "Dummy", });
+        internal__static_protobuf_unittest_TestForeignNested__Descriptor = Descriptor.MessageTypes[9];
+        internal__static_protobuf_unittest_TestForeignNested__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestForeignNested, global::Google.ProtocolBuffers.TestProtos.TestForeignNested.Builder>(internal__static_protobuf_unittest_TestForeignNested__Descriptor,
+                new string[] { "ForeignNested", });
+        internal__static_protobuf_unittest_TestEmptyMessage__Descriptor = Descriptor.MessageTypes[10];
+        internal__static_protobuf_unittest_TestEmptyMessage__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestEmptyMessage, global::Google.ProtocolBuffers.TestProtos.TestEmptyMessage.Builder>(internal__static_protobuf_unittest_TestEmptyMessage__Descriptor,
+                new string[] { });
+        internal__static_protobuf_unittest_TestEmptyMessageWithExtensions__Descriptor = Descriptor.MessageTypes[11];
+        internal__static_protobuf_unittest_TestEmptyMessageWithExtensions__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestEmptyMessageWithExtensions, global::Google.ProtocolBuffers.TestProtos.TestEmptyMessageWithExtensions.Builder>(internal__static_protobuf_unittest_TestEmptyMessageWithExtensions__Descriptor,
+                new string[] { });
+        internal__static_protobuf_unittest_TestMultipleExtensionRanges__Descriptor = Descriptor.MessageTypes[12];
+        internal__static_protobuf_unittest_TestMultipleExtensionRanges__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMultipleExtensionRanges, global::Google.ProtocolBuffers.TestProtos.TestMultipleExtensionRanges.Builder>(internal__static_protobuf_unittest_TestMultipleExtensionRanges__Descriptor,
+                new string[] { });
+        internal__static_protobuf_unittest_TestReallyLargeTagNumber__Descriptor = Descriptor.MessageTypes[13];
+        internal__static_protobuf_unittest_TestReallyLargeTagNumber__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestReallyLargeTagNumber, global::Google.ProtocolBuffers.TestProtos.TestReallyLargeTagNumber.Builder>(internal__static_protobuf_unittest_TestReallyLargeTagNumber__Descriptor,
+                new string[] { "A", "Bb", });
+        internal__static_protobuf_unittest_TestRecursiveMessage__Descriptor = Descriptor.MessageTypes[14];
+        internal__static_protobuf_unittest_TestRecursiveMessage__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage, global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage.Builder>(internal__static_protobuf_unittest_TestRecursiveMessage__Descriptor,
+                new string[] { "A", "I", });
+        internal__static_protobuf_unittest_TestMutualRecursionA__Descriptor = Descriptor.MessageTypes[15];
+        internal__static_protobuf_unittest_TestMutualRecursionA__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA, global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA.Builder>(internal__static_protobuf_unittest_TestMutualRecursionA__Descriptor,
+                new string[] { "Bb", });
+        internal__static_protobuf_unittest_TestMutualRecursionB__Descriptor = Descriptor.MessageTypes[16];
+        internal__static_protobuf_unittest_TestMutualRecursionB__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB, global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB.Builder>(internal__static_protobuf_unittest_TestMutualRecursionB__Descriptor,
+                new string[] { "A", "OptionalInt32", });
+        internal__static_protobuf_unittest_TestDupFieldNumber__Descriptor = Descriptor.MessageTypes[17];
+        internal__static_protobuf_unittest_TestDupFieldNumber__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber, global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Builder>(internal__static_protobuf_unittest_TestDupFieldNumber__Descriptor,
+                new string[] { "A", "Foo", "Bar", });
+        internal__static_protobuf_unittest_TestDupFieldNumber_Foo__Descriptor = internal__static_protobuf_unittest_TestDupFieldNumber__Descriptor.NestedTypes[0];
+        internal__static_protobuf_unittest_TestDupFieldNumber_Foo__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo, global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo.Builder>(internal__static_protobuf_unittest_TestDupFieldNumber_Foo__Descriptor,
+                new string[] { "A", });
+        internal__static_protobuf_unittest_TestDupFieldNumber_Bar__Descriptor = internal__static_protobuf_unittest_TestDupFieldNumber__Descriptor.NestedTypes[1];
+        internal__static_protobuf_unittest_TestDupFieldNumber_Bar__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar, global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar.Builder>(internal__static_protobuf_unittest_TestDupFieldNumber_Bar__Descriptor,
+                new string[] { "A", });
+        internal__static_protobuf_unittest_TestNestedMessageHasBits__Descriptor = Descriptor.MessageTypes[18];
+        internal__static_protobuf_unittest_TestNestedMessageHasBits__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits, global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Builder>(internal__static_protobuf_unittest_TestNestedMessageHasBits__Descriptor,
+                new string[] { "OptionalNestedMessage", });
+        internal__static_protobuf_unittest_TestNestedMessageHasBits_NestedMessage__Descriptor = internal__static_protobuf_unittest_TestNestedMessageHasBits__Descriptor.NestedTypes[0];
+        internal__static_protobuf_unittest_TestNestedMessageHasBits_NestedMessage__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage, global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage.Builder>(internal__static_protobuf_unittest_TestNestedMessageHasBits_NestedMessage__Descriptor,
+                new string[] { "NestedmessageRepeatedInt32", "NestedmessageRepeatedForeignmessage", });
+        internal__static_protobuf_unittest_TestCamelCaseFieldNames__Descriptor = Descriptor.MessageTypes[19];
+        internal__static_protobuf_unittest_TestCamelCaseFieldNames__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestCamelCaseFieldNames, global::Google.ProtocolBuffers.TestProtos.TestCamelCaseFieldNames.Builder>(internal__static_protobuf_unittest_TestCamelCaseFieldNames__Descriptor,
+                new string[] { "PrimitiveField", "StringField", "EnumField", "MessageField", "StringPieceField", "CordField", "RepeatedPrimitiveField", "RepeatedStringField", "RepeatedEnumField", "RepeatedMessageField", "RepeatedStringPieceField", "RepeatedCordField", });
+        internal__static_protobuf_unittest_TestFieldOrderings__Descriptor = Descriptor.MessageTypes[20];
+        internal__static_protobuf_unittest_TestFieldOrderings__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestFieldOrderings, global::Google.ProtocolBuffers.TestProtos.TestFieldOrderings.Builder>(internal__static_protobuf_unittest_TestFieldOrderings__Descriptor,
+                new string[] { "MyString", "MyInt", "MyFloat", });
+        internal__static_protobuf_unittest_TestExtremeDefaultValues__Descriptor = Descriptor.MessageTypes[21];
+        internal__static_protobuf_unittest_TestExtremeDefaultValues__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestExtremeDefaultValues, global::Google.ProtocolBuffers.TestProtos.TestExtremeDefaultValues.Builder>(internal__static_protobuf_unittest_TestExtremeDefaultValues__Descriptor,
+                new string[] { "EscapedBytes", "LargeUint32", "LargeUint64", "SmallInt32", "SmallInt64", "Utf8String", "ZeroFloat", "OneFloat", "SmallFloat", "NegativeOneFloat", "NegativeFloat", "LargeFloat", "SmallNegativeFloat", "InfDouble", "NegInfDouble", "NanDouble", "InfFloat", "NegInfFloat", "NanFloat", });
+        internal__static_protobuf_unittest_OneString__Descriptor = Descriptor.MessageTypes[22];
+        internal__static_protobuf_unittest_OneString__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.OneString, global::Google.ProtocolBuffers.TestProtos.OneString.Builder>(internal__static_protobuf_unittest_OneString__Descriptor,
+                new string[] { "Data", });
+        internal__static_protobuf_unittest_OneBytes__Descriptor = Descriptor.MessageTypes[23];
+        internal__static_protobuf_unittest_OneBytes__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.OneBytes, global::Google.ProtocolBuffers.TestProtos.OneBytes.Builder>(internal__static_protobuf_unittest_OneBytes__Descriptor,
+                new string[] { "Data", });
+        internal__static_protobuf_unittest_TestPackedTypes__Descriptor = Descriptor.MessageTypes[24];
+        internal__static_protobuf_unittest_TestPackedTypes__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestPackedTypes, global::Google.ProtocolBuffers.TestProtos.TestPackedTypes.Builder>(internal__static_protobuf_unittest_TestPackedTypes__Descriptor,
+                new string[] { "PackedInt32", "PackedInt64", "PackedUint32", "PackedUint64", "PackedSint32", "PackedSint64", "PackedFixed32", "PackedFixed64", "PackedSfixed32", "PackedSfixed64", "PackedFloat", "PackedDouble", "PackedBool", "PackedEnum", });
+        internal__static_protobuf_unittest_TestUnpackedTypes__Descriptor = Descriptor.MessageTypes[25];
+        internal__static_protobuf_unittest_TestUnpackedTypes__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestUnpackedTypes, global::Google.ProtocolBuffers.TestProtos.TestUnpackedTypes.Builder>(internal__static_protobuf_unittest_TestUnpackedTypes__Descriptor,
+                new string[] { "UnpackedInt32", "UnpackedInt64", "UnpackedUint32", "UnpackedUint64", "UnpackedSint32", "UnpackedSint64", "UnpackedFixed32", "UnpackedFixed64", "UnpackedSfixed32", "UnpackedSfixed64", "UnpackedFloat", "UnpackedDouble", "UnpackedBool", "UnpackedEnum", });
+        internal__static_protobuf_unittest_TestPackedExtensions__Descriptor = Descriptor.MessageTypes[26];
+        internal__static_protobuf_unittest_TestPackedExtensions__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestPackedExtensions, global::Google.ProtocolBuffers.TestProtos.TestPackedExtensions.Builder>(internal__static_protobuf_unittest_TestPackedExtensions__Descriptor,
+                new string[] { });
+        internal__static_protobuf_unittest_TestDynamicExtensions__Descriptor = Descriptor.MessageTypes[27];
+        internal__static_protobuf_unittest_TestDynamicExtensions__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions, global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Builder>(internal__static_protobuf_unittest_TestDynamicExtensions__Descriptor,
+                new string[] { "ScalarExtension", "EnumExtension", "DynamicEnumExtension", "MessageExtension", "DynamicMessageExtension", "RepeatedExtension", "PackedExtension", });
+        internal__static_protobuf_unittest_TestDynamicExtensions_DynamicMessageType__Descriptor = internal__static_protobuf_unittest_TestDynamicExtensions__Descriptor.NestedTypes[0];
+        internal__static_protobuf_unittest_TestDynamicExtensions_DynamicMessageType__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicMessageType, global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicMessageType.Builder>(internal__static_protobuf_unittest_TestDynamicExtensions_DynamicMessageType__Descriptor,
+                new string[] { "DynamicField", });
+        internal__static_protobuf_unittest_TestRepeatedScalarDifferentTagSizes__Descriptor = Descriptor.MessageTypes[28];
+        internal__static_protobuf_unittest_TestRepeatedScalarDifferentTagSizes__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestRepeatedScalarDifferentTagSizes, global::Google.ProtocolBuffers.TestProtos.TestRepeatedScalarDifferentTagSizes.Builder>(internal__static_protobuf_unittest_TestRepeatedScalarDifferentTagSizes__Descriptor,
+                new string[] { "RepeatedFixed32", "RepeatedInt32", "RepeatedFixed64", "RepeatedInt64", "RepeatedFloat", "RepeatedUint64", });
+        internal__static_protobuf_unittest_FooRequest__Descriptor = Descriptor.MessageTypes[29];
+        internal__static_protobuf_unittest_FooRequest__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.FooRequest, global::Google.ProtocolBuffers.TestProtos.FooRequest.Builder>(internal__static_protobuf_unittest_FooRequest__Descriptor,
+                new string[] { });
+        internal__static_protobuf_unittest_FooResponse__Descriptor = Descriptor.MessageTypes[30];
+        internal__static_protobuf_unittest_FooResponse__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.FooResponse, global::Google.ProtocolBuffers.TestProtos.FooResponse.Builder>(internal__static_protobuf_unittest_FooResponse__Descriptor,
+                new string[] { });
+        internal__static_protobuf_unittest_BarRequest__Descriptor = Descriptor.MessageTypes[31];
+        internal__static_protobuf_unittest_BarRequest__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.BarRequest, global::Google.ProtocolBuffers.TestProtos.BarRequest.Builder>(internal__static_protobuf_unittest_BarRequest__Descriptor,
+                new string[] { });
+        internal__static_protobuf_unittest_BarResponse__Descriptor = Descriptor.MessageTypes[32];
+        internal__static_protobuf_unittest_BarResponse__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.BarResponse, global::Google.ProtocolBuffers.TestProtos.BarResponse.Builder>(internal__static_protobuf_unittest_BarResponse__Descriptor,
+                new string[] { });
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalInt32Extension = pb::GeneratedSingleExtension<int>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[0]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalInt64Extension = pb::GeneratedSingleExtension<long>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[1]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalUint32Extension = pb::GeneratedSingleExtension<uint>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[2]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalUint64Extension = pb::GeneratedSingleExtension<ulong>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[3]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalSint32Extension = pb::GeneratedSingleExtension<int>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[4]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalSint64Extension = pb::GeneratedSingleExtension<long>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[5]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalFixed32Extension = pb::GeneratedSingleExtension<uint>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[6]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalFixed64Extension = pb::GeneratedSingleExtension<ulong>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[7]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalSfixed32Extension = pb::GeneratedSingleExtension<int>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[8]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalSfixed64Extension = pb::GeneratedSingleExtension<long>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[9]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalFloatExtension = pb::GeneratedSingleExtension<float>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[10]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalDoubleExtension = pb::GeneratedSingleExtension<double>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[11]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalBoolExtension = pb::GeneratedSingleExtension<bool>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[12]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalStringExtension = pb::GeneratedSingleExtension<string>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[13]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalBytesExtension = pb::GeneratedSingleExtension<pb::ByteString>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[14]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalGroupExtension = pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.OptionalGroup_extension>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[15]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalNestedMessageExtension = pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[16]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalForeignMessageExtension = pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ForeignMessage>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[17]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalImportMessageExtension = pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ImportMessage>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[18]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalNestedEnumExtension = pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[19]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalForeignEnumExtension = pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ForeignEnum>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[20]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalImportEnumExtension = pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ImportEnum>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[21]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalStringPieceExtension = pb::GeneratedSingleExtension<string>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[22]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.OptionalCordExtension = pb::GeneratedSingleExtension<string>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[23]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedInt32Extension = pb::GeneratedRepeatExtension<int>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[24]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedInt64Extension = pb::GeneratedRepeatExtension<long>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[25]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedUint32Extension = pb::GeneratedRepeatExtension<uint>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[26]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedUint64Extension = pb::GeneratedRepeatExtension<ulong>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[27]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedSint32Extension = pb::GeneratedRepeatExtension<int>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[28]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedSint64Extension = pb::GeneratedRepeatExtension<long>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[29]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedFixed32Extension = pb::GeneratedRepeatExtension<uint>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[30]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedFixed64Extension = pb::GeneratedRepeatExtension<ulong>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[31]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedSfixed32Extension = pb::GeneratedRepeatExtension<int>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[32]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedSfixed64Extension = pb::GeneratedRepeatExtension<long>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[33]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedFloatExtension = pb::GeneratedRepeatExtension<float>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[34]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedDoubleExtension = pb::GeneratedRepeatExtension<double>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[35]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedBoolExtension = pb::GeneratedRepeatExtension<bool>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[36]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedStringExtension = pb::GeneratedRepeatExtension<string>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[37]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedBytesExtension = pb::GeneratedRepeatExtension<pb::ByteString>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[38]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedGroupExtension = pb::GeneratedRepeatExtension<global::Google.ProtocolBuffers.TestProtos.RepeatedGroup_extension>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[39]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedNestedMessageExtension = pb::GeneratedRepeatExtension<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[40]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedForeignMessageExtension = pb::GeneratedRepeatExtension<global::Google.ProtocolBuffers.TestProtos.ForeignMessage>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[41]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedImportMessageExtension = pb::GeneratedRepeatExtension<global::Google.ProtocolBuffers.TestProtos.ImportMessage>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[42]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedNestedEnumExtension = pb::GeneratedRepeatExtension<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[43]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedForeignEnumExtension = pb::GeneratedRepeatExtension<global::Google.ProtocolBuffers.TestProtos.ForeignEnum>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[44]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedImportEnumExtension = pb::GeneratedRepeatExtension<global::Google.ProtocolBuffers.TestProtos.ImportEnum>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[45]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedStringPieceExtension = pb::GeneratedRepeatExtension<string>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[46]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RepeatedCordExtension = pb::GeneratedRepeatExtension<string>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[47]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultInt32Extension = pb::GeneratedSingleExtension<int>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[48]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultInt64Extension = pb::GeneratedSingleExtension<long>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[49]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultUint32Extension = pb::GeneratedSingleExtension<uint>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[50]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultUint64Extension = pb::GeneratedSingleExtension<ulong>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[51]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultSint32Extension = pb::GeneratedSingleExtension<int>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[52]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultSint64Extension = pb::GeneratedSingleExtension<long>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[53]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultFixed32Extension = pb::GeneratedSingleExtension<uint>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[54]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultFixed64Extension = pb::GeneratedSingleExtension<ulong>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[55]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultSfixed32Extension = pb::GeneratedSingleExtension<int>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[56]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultSfixed64Extension = pb::GeneratedSingleExtension<long>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[57]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultFloatExtension = pb::GeneratedSingleExtension<float>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[58]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultDoubleExtension = pb::GeneratedSingleExtension<double>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[59]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultBoolExtension = pb::GeneratedSingleExtension<bool>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[60]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultStringExtension = pb::GeneratedSingleExtension<string>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[61]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultBytesExtension = pb::GeneratedSingleExtension<pb::ByteString>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[62]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultNestedEnumExtension = pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[63]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultForeignEnumExtension = pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ForeignEnum>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[64]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultImportEnumExtension = pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ImportEnum>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[65]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultStringPieceExtension = pb::GeneratedSingleExtension<string>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[66]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.DefaultCordExtension = pb::GeneratedSingleExtension<string>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[67]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.MyExtensionString = pb::GeneratedSingleExtension<string>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[68]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.MyExtensionInt = pb::GeneratedSingleExtension<int>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[69]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedInt32Extension = pb::GeneratedRepeatExtension<int>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[70]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedInt64Extension = pb::GeneratedRepeatExtension<long>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[71]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedUint32Extension = pb::GeneratedRepeatExtension<uint>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[72]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedUint64Extension = pb::GeneratedRepeatExtension<ulong>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[73]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedSint32Extension = pb::GeneratedRepeatExtension<int>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[74]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedSint64Extension = pb::GeneratedRepeatExtension<long>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[75]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedFixed32Extension = pb::GeneratedRepeatExtension<uint>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[76]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedFixed64Extension = pb::GeneratedRepeatExtension<ulong>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[77]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedSfixed32Extension = pb::GeneratedRepeatExtension<int>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[78]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedSfixed64Extension = pb::GeneratedRepeatExtension<long>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[79]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedFloatExtension = pb::GeneratedRepeatExtension<float>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[80]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedDoubleExtension = pb::GeneratedRepeatExtension<double>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[81]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedBoolExtension = pb::GeneratedRepeatExtension<bool>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[82]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.PackedEnumExtension = pb::GeneratedRepeatExtension<global::Google.ProtocolBuffers.TestProtos.ForeignEnum>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor.Extensions[83]);
+        pb::ExtensionRegistry registry = pb::ExtensionRegistry.CreateInstance();
+        RegisterAllExtensions(registry);
+        global::Google.ProtocolBuffers.DescriptorProtos.CSharpOptions.RegisterAllExtensions(registry);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestImportProtoFile.RegisterAllExtensions(registry);
+        return registry;
+      };
+      pbd::FileDescriptor.InternalBuildGeneratedFileFrom(descriptorData,
+          new pbd::FileDescriptor[] {
+          global::Google.ProtocolBuffers.DescriptorProtos.CSharpOptions.Descriptor, 
+          global::Google.ProtocolBuffers.TestProtos.UnitTestImportProtoFile.Descriptor, 
+          }, assigner);
+    }
+    #endregion
+    
+  }
+  #region Enums
+  public enum ForeignEnum {
+    FOREIGN_FOO = 4,
+    FOREIGN_BAR = 5,
+    FOREIGN_BAZ = 6,
+  }
+  
+  public enum TestEnumWithDupValue {
+    FOO1 = 1,
+    BAR1 = 2,
+    BAZ = 3,
+    FOO2 = 1,
+    BAR2 = 2,
+  }
+  
+  public enum TestSparseEnum {
+    SPARSE_A = 123,
+    SPARSE_B = 62374,
+    SPARSE_C = 12589234,
+    SPARSE_D = -15,
+    SPARSE_E = -53452,
+    SPARSE_F = 0,
+    SPARSE_G = 2,
+  }
+  
+  #endregion
+  
+  #region Messages
+  public sealed partial class TestAllTypes : pb::GeneratedMessage<TestAllTypes, TestAllTypes.Builder> {
+    private static readonly TestAllTypes defaultInstance = new Builder().BuildPartial();
+    public static TestAllTypes DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestAllTypes DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestAllTypes ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestAllTypes__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestAllTypes, TestAllTypes.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestAllTypes__FieldAccessorTable; }
+    }
+    
+    #region Nested types
+    public static class Types {
+      public enum NestedEnum {
+        FOO = 1,
+        BAR = 2,
+        BAZ = 3,
+      }
+      
+      public sealed partial class NestedMessage : pb::GeneratedMessage<NestedMessage, NestedMessage.Builder> {
+        private static readonly NestedMessage defaultInstance = new Builder().BuildPartial();
+        public static NestedMessage DefaultInstance {
+          get { return defaultInstance; }
+        }
+        
+        public override NestedMessage DefaultInstanceForType {
+          get { return defaultInstance; }
+        }
+        
+        protected override NestedMessage ThisMessage {
+          get { return this; }
+        }
+        
+        public static pbd::MessageDescriptor Descriptor {
+          get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestAllTypes_NestedMessage__Descriptor; }
+        }
+        
+        protected override pb::FieldAccess.FieldAccessorTable<NestedMessage, NestedMessage.Builder> InternalFieldAccessors {
+          get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestAllTypes_NestedMessage__FieldAccessorTable; }
+        }
+        
+        public const int BbFieldNumber = 1;
+        private bool hasBb;
+        private int bb_ = 0;
+        public bool HasBb {
+          get { return hasBb; }
+        }
+        public int Bb {
+          get { return bb_; }
+        }
+        
+        public override bool IsInitialized {
+          get {
+            return true;
+          }
+        }
+        
+        public override void WriteTo(pb::CodedOutputStream output) {
+          int size = SerializedSize;
+          if (HasBb) {
+            output.WriteInt32(1, Bb);
+          }
+          UnknownFields.WriteTo(output);
+        }
+        
+        private int memoizedSerializedSize = -1;
+        public override int SerializedSize {
+          get {
+            int size = memoizedSerializedSize;
+            if (size != -1) return size;
+            
+            size = 0;
+            if (HasBb) {
+              size += pb::CodedOutputStream.ComputeInt32Size(1, Bb);
+            }
+            size += UnknownFields.SerializedSize;
+            memoizedSerializedSize = size;
+            return size;
+          }
+        }
+        
+        public static NestedMessage ParseFrom(pb::ByteString data) {
+          return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(byte[] data) {
+          return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(global::System.IO.Stream input) {
+          return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+        }
+        public static NestedMessage ParseDelimitedFrom(global::System.IO.Stream input) {
+          return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+        }
+        public static NestedMessage ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+          return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(pb::CodedInputStream input) {
+          return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+        }
+        public static Builder CreateBuilder() { return new Builder(); }
+        public override Builder ToBuilder() { return CreateBuilder(this); }
+        public override Builder CreateBuilderForType() { return new Builder(); }
+        public static Builder CreateBuilder(NestedMessage prototype) {
+          return (Builder) new Builder().MergeFrom(prototype);
+        }
+        
+        public sealed partial class Builder : pb::GeneratedBuilder<NestedMessage, Builder> {
+          protected override Builder ThisBuilder {
+            get { return this; }
+          }
+          public Builder() {}
+          
+          NestedMessage result = new NestedMessage();
+          
+          protected override NestedMessage MessageBeingBuilt {
+            get { return result; }
+          }
+          
+          public override Builder Clear() {
+            result = new NestedMessage();
+            return this;
+          }
+          
+          public override Builder Clone() {
+            return new Builder().MergeFrom(result);
+          }
+          
+          public override pbd::MessageDescriptor DescriptorForType {
+            get { return global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.Descriptor; }
+          }
+          
+          public override NestedMessage DefaultInstanceForType {
+            get { return global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.DefaultInstance; }
+          }
+          
+          public override NestedMessage BuildPartial() {
+            if (result == null) {
+              throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+            }
+            NestedMessage returnMe = result;
+            result = null;
+            return returnMe;
+          }
+          
+          public override Builder MergeFrom(pb::IMessage other) {
+            if (other is NestedMessage) {
+              return MergeFrom((NestedMessage) other);
+            } else {
+              base.MergeFrom(other);
+              return this;
+            }
+          }
+          
+          public override Builder MergeFrom(NestedMessage other) {
+            if (other == global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.DefaultInstance) return this;
+            if (other.HasBb) {
+              Bb = other.Bb;
+            }
+            this.MergeUnknownFields(other.UnknownFields);
+            return this;
+          }
+          
+          public override Builder MergeFrom(pb::CodedInputStream input) {
+            return MergeFrom(input, pb::ExtensionRegistry.Empty);
+          }
+          
+          public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+            pb::UnknownFieldSet.Builder unknownFields = null;
+            while (true) {
+              uint tag = input.ReadTag();
+              switch (tag) {
+                case 0: {
+                  if (unknownFields != null) {
+                    this.UnknownFields = unknownFields.Build();
+                  }
+                  return this;
+                }
+                default: {
+                  if (pb::WireFormat.IsEndGroupTag(tag)) {
+                    if (unknownFields != null) {
+                      this.UnknownFields = unknownFields.Build();
+                    }
+                    return this;
+                  }
+                  if (unknownFields == null) {
+                    unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+                  }
+                  ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+                  break;
+                }
+                case 8: {
+                  Bb = input.ReadInt32();
+                  break;
+                }
+              }
+            }
+          }
+          
+          
+          public bool HasBb {
+            get { return result.HasBb; }
+          }
+          public int Bb {
+            get { return result.Bb; }
+            set { SetBb(value); }
+          }
+          public Builder SetBb(int value) {
+            result.hasBb = true;
+            result.bb_ = value;
+            return this;
+          }
+          public Builder ClearBb() {
+            result.hasBb = false;
+            result.bb_ = 0;
+            return this;
+          }
+        }
+        static NestedMessage() {
+          object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+        }
+      }
+      
+      public sealed partial class OptionalGroup : pb::GeneratedMessage<OptionalGroup, OptionalGroup.Builder> {
+        private static readonly OptionalGroup defaultInstance = new Builder().BuildPartial();
+        public static OptionalGroup DefaultInstance {
+          get { return defaultInstance; }
+        }
+        
+        public override OptionalGroup DefaultInstanceForType {
+          get { return defaultInstance; }
+        }
+        
+        protected override OptionalGroup ThisMessage {
+          get { return this; }
+        }
+        
+        public static pbd::MessageDescriptor Descriptor {
+          get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestAllTypes_OptionalGroup__Descriptor; }
+        }
+        
+        protected override pb::FieldAccess.FieldAccessorTable<OptionalGroup, OptionalGroup.Builder> InternalFieldAccessors {
+          get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestAllTypes_OptionalGroup__FieldAccessorTable; }
+        }
+        
+        public const int AFieldNumber = 17;
+        private bool hasA;
+        private int a_ = 0;
+        public bool HasA {
+          get { return hasA; }
+        }
+        public int A {
+          get { return a_; }
+        }
+        
+        public override bool IsInitialized {
+          get {
+            return true;
+          }
+        }
+        
+        public override void WriteTo(pb::CodedOutputStream output) {
+          int size = SerializedSize;
+          if (HasA) {
+            output.WriteInt32(17, A);
+          }
+          UnknownFields.WriteTo(output);
+        }
+        
+        private int memoizedSerializedSize = -1;
+        public override int SerializedSize {
+          get {
+            int size = memoizedSerializedSize;
+            if (size != -1) return size;
+            
+            size = 0;
+            if (HasA) {
+              size += pb::CodedOutputStream.ComputeInt32Size(17, A);
+            }
+            size += UnknownFields.SerializedSize;
+            memoizedSerializedSize = size;
+            return size;
+          }
+        }
+        
+        public static OptionalGroup ParseFrom(pb::ByteString data) {
+          return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+        }
+        public static OptionalGroup ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+        }
+        public static OptionalGroup ParseFrom(byte[] data) {
+          return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+        }
+        public static OptionalGroup ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+        }
+        public static OptionalGroup ParseFrom(global::System.IO.Stream input) {
+          return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+        }
+        public static OptionalGroup ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+        }
+        public static OptionalGroup ParseDelimitedFrom(global::System.IO.Stream input) {
+          return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+        }
+        public static OptionalGroup ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+          return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+        }
+        public static OptionalGroup ParseFrom(pb::CodedInputStream input) {
+          return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+        }
+        public static OptionalGroup ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+        }
+        public static Builder CreateBuilder() { return new Builder(); }
+        public override Builder ToBuilder() { return CreateBuilder(this); }
+        public override Builder CreateBuilderForType() { return new Builder(); }
+        public static Builder CreateBuilder(OptionalGroup prototype) {
+          return (Builder) new Builder().MergeFrom(prototype);
+        }
+        
+        public sealed partial class Builder : pb::GeneratedBuilder<OptionalGroup, Builder> {
+          protected override Builder ThisBuilder {
+            get { return this; }
+          }
+          public Builder() {}
+          
+          OptionalGroup result = new OptionalGroup();
+          
+          protected override OptionalGroup MessageBeingBuilt {
+            get { return result; }
+          }
+          
+          public override Builder Clear() {
+            result = new OptionalGroup();
+            return this;
+          }
+          
+          public override Builder Clone() {
+            return new Builder().MergeFrom(result);
+          }
+          
+          public override pbd::MessageDescriptor DescriptorForType {
+            get { return global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup.Descriptor; }
+          }
+          
+          public override OptionalGroup DefaultInstanceForType {
+            get { return global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup.DefaultInstance; }
+          }
+          
+          public override OptionalGroup BuildPartial() {
+            if (result == null) {
+              throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+            }
+            OptionalGroup returnMe = result;
+            result = null;
+            return returnMe;
+          }
+          
+          public override Builder MergeFrom(pb::IMessage other) {
+            if (other is OptionalGroup) {
+              return MergeFrom((OptionalGroup) other);
+            } else {
+              base.MergeFrom(other);
+              return this;
+            }
+          }
+          
+          public override Builder MergeFrom(OptionalGroup other) {
+            if (other == global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup.DefaultInstance) return this;
+            if (other.HasA) {
+              A = other.A;
+            }
+            this.MergeUnknownFields(other.UnknownFields);
+            return this;
+          }
+          
+          public override Builder MergeFrom(pb::CodedInputStream input) {
+            return MergeFrom(input, pb::ExtensionRegistry.Empty);
+          }
+          
+          public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+            pb::UnknownFieldSet.Builder unknownFields = null;
+            while (true) {
+              uint tag = input.ReadTag();
+              switch (tag) {
+                case 0: {
+                  if (unknownFields != null) {
+                    this.UnknownFields = unknownFields.Build();
+                  }
+                  return this;
+                }
+                default: {
+                  if (pb::WireFormat.IsEndGroupTag(tag)) {
+                    if (unknownFields != null) {
+                      this.UnknownFields = unknownFields.Build();
+                    }
+                    return this;
+                  }
+                  if (unknownFields == null) {
+                    unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+                  }
+                  ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+                  break;
+                }
+                case 136: {
+                  A = input.ReadInt32();
+                  break;
+                }
+              }
+            }
+          }
+          
+          
+          public bool HasA {
+            get { return result.HasA; }
+          }
+          public int A {
+            get { return result.A; }
+            set { SetA(value); }
+          }
+          public Builder SetA(int value) {
+            result.hasA = true;
+            result.a_ = value;
+            return this;
+          }
+          public Builder ClearA() {
+            result.hasA = false;
+            result.a_ = 0;
+            return this;
+          }
+        }
+        static OptionalGroup() {
+          object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+        }
+      }
+      
+      public sealed partial class RepeatedGroup : pb::GeneratedMessage<RepeatedGroup, RepeatedGroup.Builder> {
+        private static readonly RepeatedGroup defaultInstance = new Builder().BuildPartial();
+        public static RepeatedGroup DefaultInstance {
+          get { return defaultInstance; }
+        }
+        
+        public override RepeatedGroup DefaultInstanceForType {
+          get { return defaultInstance; }
+        }
+        
+        protected override RepeatedGroup ThisMessage {
+          get { return this; }
+        }
+        
+        public static pbd::MessageDescriptor Descriptor {
+          get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestAllTypes_RepeatedGroup__Descriptor; }
+        }
+        
+        protected override pb::FieldAccess.FieldAccessorTable<RepeatedGroup, RepeatedGroup.Builder> InternalFieldAccessors {
+          get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestAllTypes_RepeatedGroup__FieldAccessorTable; }
+        }
+        
+        public const int AFieldNumber = 47;
+        private bool hasA;
+        private int a_ = 0;
+        public bool HasA {
+          get { return hasA; }
+        }
+        public int A {
+          get { return a_; }
+        }
+        
+        public override bool IsInitialized {
+          get {
+            return true;
+          }
+        }
+        
+        public override void WriteTo(pb::CodedOutputStream output) {
+          int size = SerializedSize;
+          if (HasA) {
+            output.WriteInt32(47, A);
+          }
+          UnknownFields.WriteTo(output);
+        }
+        
+        private int memoizedSerializedSize = -1;
+        public override int SerializedSize {
+          get {
+            int size = memoizedSerializedSize;
+            if (size != -1) return size;
+            
+            size = 0;
+            if (HasA) {
+              size += pb::CodedOutputStream.ComputeInt32Size(47, A);
+            }
+            size += UnknownFields.SerializedSize;
+            memoizedSerializedSize = size;
+            return size;
+          }
+        }
+        
+        public static RepeatedGroup ParseFrom(pb::ByteString data) {
+          return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+        }
+        public static RepeatedGroup ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+        }
+        public static RepeatedGroup ParseFrom(byte[] data) {
+          return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+        }
+        public static RepeatedGroup ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+        }
+        public static RepeatedGroup ParseFrom(global::System.IO.Stream input) {
+          return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+        }
+        public static RepeatedGroup ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+        }
+        public static RepeatedGroup ParseDelimitedFrom(global::System.IO.Stream input) {
+          return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+        }
+        public static RepeatedGroup ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+          return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+        }
+        public static RepeatedGroup ParseFrom(pb::CodedInputStream input) {
+          return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+        }
+        public static RepeatedGroup ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+        }
+        public static Builder CreateBuilder() { return new Builder(); }
+        public override Builder ToBuilder() { return CreateBuilder(this); }
+        public override Builder CreateBuilderForType() { return new Builder(); }
+        public static Builder CreateBuilder(RepeatedGroup prototype) {
+          return (Builder) new Builder().MergeFrom(prototype);
+        }
+        
+        public sealed partial class Builder : pb::GeneratedBuilder<RepeatedGroup, Builder> {
+          protected override Builder ThisBuilder {
+            get { return this; }
+          }
+          public Builder() {}
+          
+          RepeatedGroup result = new RepeatedGroup();
+          
+          protected override RepeatedGroup MessageBeingBuilt {
+            get { return result; }
+          }
+          
+          public override Builder Clear() {
+            result = new RepeatedGroup();
+            return this;
+          }
+          
+          public override Builder Clone() {
+            return new Builder().MergeFrom(result);
+          }
+          
+          public override pbd::MessageDescriptor DescriptorForType {
+            get { return global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup.Descriptor; }
+          }
+          
+          public override RepeatedGroup DefaultInstanceForType {
+            get { return global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup.DefaultInstance; }
+          }
+          
+          public override RepeatedGroup BuildPartial() {
+            if (result == null) {
+              throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+            }
+            RepeatedGroup returnMe = result;
+            result = null;
+            return returnMe;
+          }
+          
+          public override Builder MergeFrom(pb::IMessage other) {
+            if (other is RepeatedGroup) {
+              return MergeFrom((RepeatedGroup) other);
+            } else {
+              base.MergeFrom(other);
+              return this;
+            }
+          }
+          
+          public override Builder MergeFrom(RepeatedGroup other) {
+            if (other == global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup.DefaultInstance) return this;
+            if (other.HasA) {
+              A = other.A;
+            }
+            this.MergeUnknownFields(other.UnknownFields);
+            return this;
+          }
+          
+          public override Builder MergeFrom(pb::CodedInputStream input) {
+            return MergeFrom(input, pb::ExtensionRegistry.Empty);
+          }
+          
+          public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+            pb::UnknownFieldSet.Builder unknownFields = null;
+            while (true) {
+              uint tag = input.ReadTag();
+              switch (tag) {
+                case 0: {
+                  if (unknownFields != null) {
+                    this.UnknownFields = unknownFields.Build();
+                  }
+                  return this;
+                }
+                default: {
+                  if (pb::WireFormat.IsEndGroupTag(tag)) {
+                    if (unknownFields != null) {
+                      this.UnknownFields = unknownFields.Build();
+                    }
+                    return this;
+                  }
+                  if (unknownFields == null) {
+                    unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+                  }
+                  ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+                  break;
+                }
+                case 376: {
+                  A = input.ReadInt32();
+                  break;
+                }
+              }
+            }
+          }
+          
+          
+          public bool HasA {
+            get { return result.HasA; }
+          }
+          public int A {
+            get { return result.A; }
+            set { SetA(value); }
+          }
+          public Builder SetA(int value) {
+            result.hasA = true;
+            result.a_ = value;
+            return this;
+          }
+          public Builder ClearA() {
+            result.hasA = false;
+            result.a_ = 0;
+            return this;
+          }
+        }
+        static RepeatedGroup() {
+          object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+        }
+      }
+      
+    }
+    #endregion
+    
+    public const int OptionalInt32FieldNumber = 1;
+    private bool hasOptionalInt32;
+    private int optionalInt32_ = 0;
+    public bool HasOptionalInt32 {
+      get { return hasOptionalInt32; }
+    }
+    public int OptionalInt32 {
+      get { return optionalInt32_; }
+    }
+    
+    public const int OptionalInt64FieldNumber = 2;
+    private bool hasOptionalInt64;
+    private long optionalInt64_ = 0L;
+    public bool HasOptionalInt64 {
+      get { return hasOptionalInt64; }
+    }
+    public long OptionalInt64 {
+      get { return optionalInt64_; }
+    }
+    
+    public const int OptionalUint32FieldNumber = 3;
+    private bool hasOptionalUint32;
+    private uint optionalUint32_ = 0;
+    public bool HasOptionalUint32 {
+      get { return hasOptionalUint32; }
+    }
+    [global::System.CLSCompliant(false)]
+    public uint OptionalUint32 {
+      get { return optionalUint32_; }
+    }
+    
+    public const int OptionalUint64FieldNumber = 4;
+    private bool hasOptionalUint64;
+    private ulong optionalUint64_ = 0UL;
+    public bool HasOptionalUint64 {
+      get { return hasOptionalUint64; }
+    }
+    [global::System.CLSCompliant(false)]
+    public ulong OptionalUint64 {
+      get { return optionalUint64_; }
+    }
+    
+    public const int OptionalSint32FieldNumber = 5;
+    private bool hasOptionalSint32;
+    private int optionalSint32_ = 0;
+    public bool HasOptionalSint32 {
+      get { return hasOptionalSint32; }
+    }
+    public int OptionalSint32 {
+      get { return optionalSint32_; }
+    }
+    
+    public const int OptionalSint64FieldNumber = 6;
+    private bool hasOptionalSint64;
+    private long optionalSint64_ = 0;
+    public bool HasOptionalSint64 {
+      get { return hasOptionalSint64; }
+    }
+    public long OptionalSint64 {
+      get { return optionalSint64_; }
+    }
+    
+    public const int OptionalFixed32FieldNumber = 7;
+    private bool hasOptionalFixed32;
+    private uint optionalFixed32_ = 0;
+    public bool HasOptionalFixed32 {
+      get { return hasOptionalFixed32; }
+    }
+    [global::System.CLSCompliant(false)]
+    public uint OptionalFixed32 {
+      get { return optionalFixed32_; }
+    }
+    
+    public const int OptionalFixed64FieldNumber = 8;
+    private bool hasOptionalFixed64;
+    private ulong optionalFixed64_ = 0;
+    public bool HasOptionalFixed64 {
+      get { return hasOptionalFixed64; }
+    }
+    [global::System.CLSCompliant(false)]
+    public ulong OptionalFixed64 {
+      get { return optionalFixed64_; }
+    }
+    
+    public const int OptionalSfixed32FieldNumber = 9;
+    private bool hasOptionalSfixed32;
+    private int optionalSfixed32_ = 0;
+    public bool HasOptionalSfixed32 {
+      get { return hasOptionalSfixed32; }
+    }
+    public int OptionalSfixed32 {
+      get { return optionalSfixed32_; }
+    }
+    
+    public const int OptionalSfixed64FieldNumber = 10;
+    private bool hasOptionalSfixed64;
+    private long optionalSfixed64_ = 0;
+    public bool HasOptionalSfixed64 {
+      get { return hasOptionalSfixed64; }
+    }
+    public long OptionalSfixed64 {
+      get { return optionalSfixed64_; }
+    }
+    
+    public const int OptionalFloatFieldNumber = 11;
+    private bool hasOptionalFloat;
+    private float optionalFloat_ = 0F;
+    public bool HasOptionalFloat {
+      get { return hasOptionalFloat; }
+    }
+    public float OptionalFloat {
+      get { return optionalFloat_; }
+    }
+    
+    public const int OptionalDoubleFieldNumber = 12;
+    private bool hasOptionalDouble;
+    private double optionalDouble_ = 0D;
+    public bool HasOptionalDouble {
+      get { return hasOptionalDouble; }
+    }
+    public double OptionalDouble {
+      get { return optionalDouble_; }
+    }
+    
+    public const int OptionalBoolFieldNumber = 13;
+    private bool hasOptionalBool;
+    private bool optionalBool_ = false;
+    public bool HasOptionalBool {
+      get { return hasOptionalBool; }
+    }
+    public bool OptionalBool {
+      get { return optionalBool_; }
+    }
+    
+    public const int OptionalStringFieldNumber = 14;
+    private bool hasOptionalString;
+    private string optionalString_ = "";
+    public bool HasOptionalString {
+      get { return hasOptionalString; }
+    }
+    public string OptionalString {
+      get { return optionalString_; }
+    }
+    
+    public const int OptionalBytesFieldNumber = 15;
+    private bool hasOptionalBytes;
+    private pb::ByteString optionalBytes_ = pb::ByteString.Empty;
+    public bool HasOptionalBytes {
+      get { return hasOptionalBytes; }
+    }
+    public pb::ByteString OptionalBytes {
+      get { return optionalBytes_; }
+    }
+    
+    public const int OptionalGroupFieldNumber = 16;
+    private bool hasOptionalGroup;
+    private global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup optionalGroup_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup.DefaultInstance;
+    public bool HasOptionalGroup {
+      get { return hasOptionalGroup; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup OptionalGroup {
+      get { return optionalGroup_; }
+    }
+    
+    public const int OptionalNestedMessageFieldNumber = 18;
+    private bool hasOptionalNestedMessage;
+    private global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage optionalNestedMessage_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.DefaultInstance;
+    public bool HasOptionalNestedMessage {
+      get { return hasOptionalNestedMessage; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage OptionalNestedMessage {
+      get { return optionalNestedMessage_; }
+    }
+    
+    public const int OptionalForeignMessageFieldNumber = 19;
+    private bool hasOptionalForeignMessage;
+    private global::Google.ProtocolBuffers.TestProtos.ForeignMessage optionalForeignMessage_ = global::Google.ProtocolBuffers.TestProtos.ForeignMessage.DefaultInstance;
+    public bool HasOptionalForeignMessage {
+      get { return hasOptionalForeignMessage; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ForeignMessage OptionalForeignMessage {
+      get { return optionalForeignMessage_; }
+    }
+    
+    public const int OptionalImportMessageFieldNumber = 20;
+    private bool hasOptionalImportMessage;
+    private global::Google.ProtocolBuffers.TestProtos.ImportMessage optionalImportMessage_ = global::Google.ProtocolBuffers.TestProtos.ImportMessage.DefaultInstance;
+    public bool HasOptionalImportMessage {
+      get { return hasOptionalImportMessage; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ImportMessage OptionalImportMessage {
+      get { return optionalImportMessage_; }
+    }
+    
+    public const int OptionalNestedEnumFieldNumber = 21;
+    private bool hasOptionalNestedEnum;
+    private global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum optionalNestedEnum_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum.FOO;
+    public bool HasOptionalNestedEnum {
+      get { return hasOptionalNestedEnum; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum OptionalNestedEnum {
+      get { return optionalNestedEnum_; }
+    }
+    
+    public const int OptionalForeignEnumFieldNumber = 22;
+    private bool hasOptionalForeignEnum;
+    private global::Google.ProtocolBuffers.TestProtos.ForeignEnum optionalForeignEnum_ = global::Google.ProtocolBuffers.TestProtos.ForeignEnum.FOREIGN_FOO;
+    public bool HasOptionalForeignEnum {
+      get { return hasOptionalForeignEnum; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ForeignEnum OptionalForeignEnum {
+      get { return optionalForeignEnum_; }
+    }
+    
+    public const int OptionalImportEnumFieldNumber = 23;
+    private bool hasOptionalImportEnum;
+    private global::Google.ProtocolBuffers.TestProtos.ImportEnum optionalImportEnum_ = global::Google.ProtocolBuffers.TestProtos.ImportEnum.IMPORT_FOO;
+    public bool HasOptionalImportEnum {
+      get { return hasOptionalImportEnum; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ImportEnum OptionalImportEnum {
+      get { return optionalImportEnum_; }
+    }
+    
+    public const int OptionalStringPieceFieldNumber = 24;
+    private bool hasOptionalStringPiece;
+    private string optionalStringPiece_ = "";
+    public bool HasOptionalStringPiece {
+      get { return hasOptionalStringPiece; }
+    }
+    public string OptionalStringPiece {
+      get { return optionalStringPiece_; }
+    }
+    
+    public const int OptionalCordFieldNumber = 25;
+    private bool hasOptionalCord;
+    private string optionalCord_ = "";
+    public bool HasOptionalCord {
+      get { return hasOptionalCord; }
+    }
+    public string OptionalCord {
+      get { return optionalCord_; }
+    }
+    
+    public const int RepeatedInt32FieldNumber = 31;
+    private pbc::PopsicleList<int> repeatedInt32_ = new pbc::PopsicleList<int>();
+    public scg::IList<int> RepeatedInt32List {
+      get { return pbc::Lists.AsReadOnly(repeatedInt32_); }
+    }
+    public int RepeatedInt32Count {
+      get { return repeatedInt32_.Count; }
+    }
+    public int GetRepeatedInt32(int index) {
+      return repeatedInt32_[index];
+    }
+    
+    public const int RepeatedInt64FieldNumber = 32;
+    private pbc::PopsicleList<long> repeatedInt64_ = new pbc::PopsicleList<long>();
+    public scg::IList<long> RepeatedInt64List {
+      get { return pbc::Lists.AsReadOnly(repeatedInt64_); }
+    }
+    public int RepeatedInt64Count {
+      get { return repeatedInt64_.Count; }
+    }
+    public long GetRepeatedInt64(int index) {
+      return repeatedInt64_[index];
+    }
+    
+    public const int RepeatedUint32FieldNumber = 33;
+    private pbc::PopsicleList<uint> repeatedUint32_ = new pbc::PopsicleList<uint>();
+    [global::System.CLSCompliant(false)]
+    public scg::IList<uint> RepeatedUint32List {
+      get { return pbc::Lists.AsReadOnly(repeatedUint32_); }
+    }
+    public int RepeatedUint32Count {
+      get { return repeatedUint32_.Count; }
+    }
+    [global::System.CLSCompliant(false)]
+    public uint GetRepeatedUint32(int index) {
+      return repeatedUint32_[index];
+    }
+    
+    public const int RepeatedUint64FieldNumber = 34;
+    private pbc::PopsicleList<ulong> repeatedUint64_ = new pbc::PopsicleList<ulong>();
+    [global::System.CLSCompliant(false)]
+    public scg::IList<ulong> RepeatedUint64List {
+      get { return pbc::Lists.AsReadOnly(repeatedUint64_); }
+    }
+    public int RepeatedUint64Count {
+      get { return repeatedUint64_.Count; }
+    }
+    [global::System.CLSCompliant(false)]
+    public ulong GetRepeatedUint64(int index) {
+      return repeatedUint64_[index];
+    }
+    
+    public const int RepeatedSint32FieldNumber = 35;
+    private pbc::PopsicleList<int> repeatedSint32_ = new pbc::PopsicleList<int>();
+    public scg::IList<int> RepeatedSint32List {
+      get { return pbc::Lists.AsReadOnly(repeatedSint32_); }
+    }
+    public int RepeatedSint32Count {
+      get { return repeatedSint32_.Count; }
+    }
+    public int GetRepeatedSint32(int index) {
+      return repeatedSint32_[index];
+    }
+    
+    public const int RepeatedSint64FieldNumber = 36;
+    private pbc::PopsicleList<long> repeatedSint64_ = new pbc::PopsicleList<long>();
+    public scg::IList<long> RepeatedSint64List {
+      get { return pbc::Lists.AsReadOnly(repeatedSint64_); }
+    }
+    public int RepeatedSint64Count {
+      get { return repeatedSint64_.Count; }
+    }
+    public long GetRepeatedSint64(int index) {
+      return repeatedSint64_[index];
+    }
+    
+    public const int RepeatedFixed32FieldNumber = 37;
+    private pbc::PopsicleList<uint> repeatedFixed32_ = new pbc::PopsicleList<uint>();
+    [global::System.CLSCompliant(false)]
+    public scg::IList<uint> RepeatedFixed32List {
+      get { return pbc::Lists.AsReadOnly(repeatedFixed32_); }
+    }
+    public int RepeatedFixed32Count {
+      get { return repeatedFixed32_.Count; }
+    }
+    [global::System.CLSCompliant(false)]
+    public uint GetRepeatedFixed32(int index) {
+      return repeatedFixed32_[index];
+    }
+    
+    public const int RepeatedFixed64FieldNumber = 38;
+    private pbc::PopsicleList<ulong> repeatedFixed64_ = new pbc::PopsicleList<ulong>();
+    [global::System.CLSCompliant(false)]
+    public scg::IList<ulong> RepeatedFixed64List {
+      get { return pbc::Lists.AsReadOnly(repeatedFixed64_); }
+    }
+    public int RepeatedFixed64Count {
+      get { return repeatedFixed64_.Count; }
+    }
+    [global::System.CLSCompliant(false)]
+    public ulong GetRepeatedFixed64(int index) {
+      return repeatedFixed64_[index];
+    }
+    
+    public const int RepeatedSfixed32FieldNumber = 39;
+    private pbc::PopsicleList<int> repeatedSfixed32_ = new pbc::PopsicleList<int>();
+    public scg::IList<int> RepeatedSfixed32List {
+      get { return pbc::Lists.AsReadOnly(repeatedSfixed32_); }
+    }
+    public int RepeatedSfixed32Count {
+      get { return repeatedSfixed32_.Count; }
+    }
+    public int GetRepeatedSfixed32(int index) {
+      return repeatedSfixed32_[index];
+    }
+    
+    public const int RepeatedSfixed64FieldNumber = 40;
+    private pbc::PopsicleList<long> repeatedSfixed64_ = new pbc::PopsicleList<long>();
+    public scg::IList<long> RepeatedSfixed64List {
+      get { return pbc::Lists.AsReadOnly(repeatedSfixed64_); }
+    }
+    public int RepeatedSfixed64Count {
+      get { return repeatedSfixed64_.Count; }
+    }
+    public long GetRepeatedSfixed64(int index) {
+      return repeatedSfixed64_[index];
+    }
+    
+    public const int RepeatedFloatFieldNumber = 41;
+    private pbc::PopsicleList<float> repeatedFloat_ = new pbc::PopsicleList<float>();
+    public scg::IList<float> RepeatedFloatList {
+      get { return pbc::Lists.AsReadOnly(repeatedFloat_); }
+    }
+    public int RepeatedFloatCount {
+      get { return repeatedFloat_.Count; }
+    }
+    public float GetRepeatedFloat(int index) {
+      return repeatedFloat_[index];
+    }
+    
+    public const int RepeatedDoubleFieldNumber = 42;
+    private pbc::PopsicleList<double> repeatedDouble_ = new pbc::PopsicleList<double>();
+    public scg::IList<double> RepeatedDoubleList {
+      get { return pbc::Lists.AsReadOnly(repeatedDouble_); }
+    }
+    public int RepeatedDoubleCount {
+      get { return repeatedDouble_.Count; }
+    }
+    public double GetRepeatedDouble(int index) {
+      return repeatedDouble_[index];
+    }
+    
+    public const int RepeatedBoolFieldNumber = 43;
+    private pbc::PopsicleList<bool> repeatedBool_ = new pbc::PopsicleList<bool>();
+    public scg::IList<bool> RepeatedBoolList {
+      get { return pbc::Lists.AsReadOnly(repeatedBool_); }
+    }
+    public int RepeatedBoolCount {
+      get { return repeatedBool_.Count; }
+    }
+    public bool GetRepeatedBool(int index) {
+      return repeatedBool_[index];
+    }
+    
+    public const int RepeatedStringFieldNumber = 44;
+    private pbc::PopsicleList<string> repeatedString_ = new pbc::PopsicleList<string>();
+    public scg::IList<string> RepeatedStringList {
+      get { return pbc::Lists.AsReadOnly(repeatedString_); }
+    }
+    public int RepeatedStringCount {
+      get { return repeatedString_.Count; }
+    }
+    public string GetRepeatedString(int index) {
+      return repeatedString_[index];
+    }
+    
+    public const int RepeatedBytesFieldNumber = 45;
+    private pbc::PopsicleList<pb::ByteString> repeatedBytes_ = new pbc::PopsicleList<pb::ByteString>();
+    public scg::IList<pb::ByteString> RepeatedBytesList {
+      get { return pbc::Lists.AsReadOnly(repeatedBytes_); }
+    }
+    public int RepeatedBytesCount {
+      get { return repeatedBytes_.Count; }
+    }
+    public pb::ByteString GetRepeatedBytes(int index) {
+      return repeatedBytes_[index];
+    }
+    
+    public const int RepeatedGroupFieldNumber = 46;
+    private pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup> repeatedGroup_ = new pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup>();
+    public scg::IList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup> RepeatedGroupList {
+      get { return repeatedGroup_; }
+    }
+    public int RepeatedGroupCount {
+      get { return repeatedGroup_.Count; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup GetRepeatedGroup(int index) {
+      return repeatedGroup_[index];
+    }
+    
+    public const int RepeatedNestedMessageFieldNumber = 48;
+    private pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage> repeatedNestedMessage_ = new pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage>();
+    public scg::IList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage> RepeatedNestedMessageList {
+      get { return repeatedNestedMessage_; }
+    }
+    public int RepeatedNestedMessageCount {
+      get { return repeatedNestedMessage_.Count; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage GetRepeatedNestedMessage(int index) {
+      return repeatedNestedMessage_[index];
+    }
+    
+    public const int RepeatedForeignMessageFieldNumber = 49;
+    private pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> repeatedForeignMessage_ = new pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage>();
+    public scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> RepeatedForeignMessageList {
+      get { return repeatedForeignMessage_; }
+    }
+    public int RepeatedForeignMessageCount {
+      get { return repeatedForeignMessage_.Count; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ForeignMessage GetRepeatedForeignMessage(int index) {
+      return repeatedForeignMessage_[index];
+    }
+    
+    public const int RepeatedImportMessageFieldNumber = 50;
+    private pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ImportMessage> repeatedImportMessage_ = new pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ImportMessage>();
+    public scg::IList<global::Google.ProtocolBuffers.TestProtos.ImportMessage> RepeatedImportMessageList {
+      get { return repeatedImportMessage_; }
+    }
+    public int RepeatedImportMessageCount {
+      get { return repeatedImportMessage_.Count; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ImportMessage GetRepeatedImportMessage(int index) {
+      return repeatedImportMessage_[index];
+    }
+    
+    public const int RepeatedNestedEnumFieldNumber = 51;
+    private pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum> repeatedNestedEnum_ = new pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum>();
+    public scg::IList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum> RepeatedNestedEnumList {
+      get { return pbc::Lists.AsReadOnly(repeatedNestedEnum_); }
+    }
+    public int RepeatedNestedEnumCount {
+      get { return repeatedNestedEnum_.Count; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum GetRepeatedNestedEnum(int index) {
+      return repeatedNestedEnum_[index];
+    }
+    
+    public const int RepeatedForeignEnumFieldNumber = 52;
+    private pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> repeatedForeignEnum_ = new pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum>();
+    public scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> RepeatedForeignEnumList {
+      get { return pbc::Lists.AsReadOnly(repeatedForeignEnum_); }
+    }
+    public int RepeatedForeignEnumCount {
+      get { return repeatedForeignEnum_.Count; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ForeignEnum GetRepeatedForeignEnum(int index) {
+      return repeatedForeignEnum_[index];
+    }
+    
+    public const int RepeatedImportEnumFieldNumber = 53;
+    private pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ImportEnum> repeatedImportEnum_ = new pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ImportEnum>();
+    public scg::IList<global::Google.ProtocolBuffers.TestProtos.ImportEnum> RepeatedImportEnumList {
+      get { return pbc::Lists.AsReadOnly(repeatedImportEnum_); }
+    }
+    public int RepeatedImportEnumCount {
+      get { return repeatedImportEnum_.Count; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ImportEnum GetRepeatedImportEnum(int index) {
+      return repeatedImportEnum_[index];
+    }
+    
+    public const int RepeatedStringPieceFieldNumber = 54;
+    private pbc::PopsicleList<string> repeatedStringPiece_ = new pbc::PopsicleList<string>();
+    public scg::IList<string> RepeatedStringPieceList {
+      get { return pbc::Lists.AsReadOnly(repeatedStringPiece_); }
+    }
+    public int RepeatedStringPieceCount {
+      get { return repeatedStringPiece_.Count; }
+    }
+    public string GetRepeatedStringPiece(int index) {
+      return repeatedStringPiece_[index];
+    }
+    
+    public const int RepeatedCordFieldNumber = 55;
+    private pbc::PopsicleList<string> repeatedCord_ = new pbc::PopsicleList<string>();
+    public scg::IList<string> RepeatedCordList {
+      get { return pbc::Lists.AsReadOnly(repeatedCord_); }
+    }
+    public int RepeatedCordCount {
+      get { return repeatedCord_.Count; }
+    }
+    public string GetRepeatedCord(int index) {
+      return repeatedCord_[index];
+    }
+    
+    public const int DefaultInt32FieldNumber = 61;
+    private bool hasDefaultInt32;
+    private int defaultInt32_ = 41;
+    public bool HasDefaultInt32 {
+      get { return hasDefaultInt32; }
+    }
+    public int DefaultInt32 {
+      get { return defaultInt32_; }
+    }
+    
+    public const int DefaultInt64FieldNumber = 62;
+    private bool hasDefaultInt64;
+    private long defaultInt64_ = 42L;
+    public bool HasDefaultInt64 {
+      get { return hasDefaultInt64; }
+    }
+    public long DefaultInt64 {
+      get { return defaultInt64_; }
+    }
+    
+    public const int DefaultUint32FieldNumber = 63;
+    private bool hasDefaultUint32;
+    private uint defaultUint32_ = 43;
+    public bool HasDefaultUint32 {
+      get { return hasDefaultUint32; }
+    }
+    [global::System.CLSCompliant(false)]
+    public uint DefaultUint32 {
+      get { return defaultUint32_; }
+    }
+    
+    public const int DefaultUint64FieldNumber = 64;
+    private bool hasDefaultUint64;
+    private ulong defaultUint64_ = 44UL;
+    public bool HasDefaultUint64 {
+      get { return hasDefaultUint64; }
+    }
+    [global::System.CLSCompliant(false)]
+    public ulong DefaultUint64 {
+      get { return defaultUint64_; }
+    }
+    
+    public const int DefaultSint32FieldNumber = 65;
+    private bool hasDefaultSint32;
+    private int defaultSint32_ = -45;
+    public bool HasDefaultSint32 {
+      get { return hasDefaultSint32; }
+    }
+    public int DefaultSint32 {
+      get { return defaultSint32_; }
+    }
+    
+    public const int DefaultSint64FieldNumber = 66;
+    private bool hasDefaultSint64;
+    private long defaultSint64_ = 46;
+    public bool HasDefaultSint64 {
+      get { return hasDefaultSint64; }
+    }
+    public long DefaultSint64 {
+      get { return defaultSint64_; }
+    }
+    
+    public const int DefaultFixed32FieldNumber = 67;
+    private bool hasDefaultFixed32;
+    private uint defaultFixed32_ = 47;
+    public bool HasDefaultFixed32 {
+      get { return hasDefaultFixed32; }
+    }
+    [global::System.CLSCompliant(false)]
+    public uint DefaultFixed32 {
+      get { return defaultFixed32_; }
+    }
+    
+    public const int DefaultFixed64FieldNumber = 68;
+    private bool hasDefaultFixed64;
+    private ulong defaultFixed64_ = 48;
+    public bool HasDefaultFixed64 {
+      get { return hasDefaultFixed64; }
+    }
+    [global::System.CLSCompliant(false)]
+    public ulong DefaultFixed64 {
+      get { return defaultFixed64_; }
+    }
+    
+    public const int DefaultSfixed32FieldNumber = 69;
+    private bool hasDefaultSfixed32;
+    private int defaultSfixed32_ = 49;
+    public bool HasDefaultSfixed32 {
+      get { return hasDefaultSfixed32; }
+    }
+    public int DefaultSfixed32 {
+      get { return defaultSfixed32_; }
+    }
+    
+    public const int DefaultSfixed64FieldNumber = 70;
+    private bool hasDefaultSfixed64;
+    private long defaultSfixed64_ = -50;
+    public bool HasDefaultSfixed64 {
+      get { return hasDefaultSfixed64; }
+    }
+    public long DefaultSfixed64 {
+      get { return defaultSfixed64_; }
+    }
+    
+    public const int DefaultFloatFieldNumber = 71;
+    private bool hasDefaultFloat;
+    private float defaultFloat_ = 51.5F;
+    public bool HasDefaultFloat {
+      get { return hasDefaultFloat; }
+    }
+    public float DefaultFloat {
+      get { return defaultFloat_; }
+    }
+    
+    public const int DefaultDoubleFieldNumber = 72;
+    private bool hasDefaultDouble;
+    private double defaultDouble_ = 52000D;
+    public bool HasDefaultDouble {
+      get { return hasDefaultDouble; }
+    }
+    public double DefaultDouble {
+      get { return defaultDouble_; }
+    }
+    
+    public const int DefaultBoolFieldNumber = 73;
+    private bool hasDefaultBool;
+    private bool defaultBool_ = true;
+    public bool HasDefaultBool {
+      get { return hasDefaultBool; }
+    }
+    public bool DefaultBool {
+      get { return defaultBool_; }
+    }
+    
+    public const int DefaultStringFieldNumber = 74;
+    private bool hasDefaultString;
+    private string defaultString_ = "hello";
+    public bool HasDefaultString {
+      get { return hasDefaultString; }
+    }
+    public string DefaultString {
+      get { return defaultString_; }
+    }
+    
+    public const int DefaultBytesFieldNumber = 75;
+    private bool hasDefaultBytes;
+    private pb::ByteString defaultBytes_ = (pb::ByteString) global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Descriptor.Fields[62].DefaultValue;
+    public bool HasDefaultBytes {
+      get { return hasDefaultBytes; }
+    }
+    public pb::ByteString DefaultBytes {
+      get { return defaultBytes_; }
+    }
+    
+    public const int DefaultNestedEnumFieldNumber = 81;
+    private bool hasDefaultNestedEnum;
+    private global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum defaultNestedEnum_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum.BAR;
+    public bool HasDefaultNestedEnum {
+      get { return hasDefaultNestedEnum; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum DefaultNestedEnum {
+      get { return defaultNestedEnum_; }
+    }
+    
+    public const int DefaultForeignEnumFieldNumber = 82;
+    private bool hasDefaultForeignEnum;
+    private global::Google.ProtocolBuffers.TestProtos.ForeignEnum defaultForeignEnum_ = global::Google.ProtocolBuffers.TestProtos.ForeignEnum.FOREIGN_BAR;
+    public bool HasDefaultForeignEnum {
+      get { return hasDefaultForeignEnum; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ForeignEnum DefaultForeignEnum {
+      get { return defaultForeignEnum_; }
+    }
+    
+    public const int DefaultImportEnumFieldNumber = 83;
+    private bool hasDefaultImportEnum;
+    private global::Google.ProtocolBuffers.TestProtos.ImportEnum defaultImportEnum_ = global::Google.ProtocolBuffers.TestProtos.ImportEnum.IMPORT_BAR;
+    public bool HasDefaultImportEnum {
+      get { return hasDefaultImportEnum; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ImportEnum DefaultImportEnum {
+      get { return defaultImportEnum_; }
+    }
+    
+    public const int DefaultStringPieceFieldNumber = 84;
+    private bool hasDefaultStringPiece;
+    private string defaultStringPiece_ = "abc";
+    public bool HasDefaultStringPiece {
+      get { return hasDefaultStringPiece; }
+    }
+    public string DefaultStringPiece {
+      get { return defaultStringPiece_; }
+    }
+    
+    public const int DefaultCordFieldNumber = 85;
+    private bool hasDefaultCord;
+    private string defaultCord_ = "123";
+    public bool HasDefaultCord {
+      get { return hasDefaultCord; }
+    }
+    public string DefaultCord {
+      get { return defaultCord_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      if (HasOptionalInt32) {
+        output.WriteInt32(1, OptionalInt32);
+      }
+      if (HasOptionalInt64) {
+        output.WriteInt64(2, OptionalInt64);
+      }
+      if (HasOptionalUint32) {
+        output.WriteUInt32(3, OptionalUint32);
+      }
+      if (HasOptionalUint64) {
+        output.WriteUInt64(4, OptionalUint64);
+      }
+      if (HasOptionalSint32) {
+        output.WriteSInt32(5, OptionalSint32);
+      }
+      if (HasOptionalSint64) {
+        output.WriteSInt64(6, OptionalSint64);
+      }
+      if (HasOptionalFixed32) {
+        output.WriteFixed32(7, OptionalFixed32);
+      }
+      if (HasOptionalFixed64) {
+        output.WriteFixed64(8, OptionalFixed64);
+      }
+      if (HasOptionalSfixed32) {
+        output.WriteSFixed32(9, OptionalSfixed32);
+      }
+      if (HasOptionalSfixed64) {
+        output.WriteSFixed64(10, OptionalSfixed64);
+      }
+      if (HasOptionalFloat) {
+        output.WriteFloat(11, OptionalFloat);
+      }
+      if (HasOptionalDouble) {
+        output.WriteDouble(12, OptionalDouble);
+      }
+      if (HasOptionalBool) {
+        output.WriteBool(13, OptionalBool);
+      }
+      if (HasOptionalString) {
+        output.WriteString(14, OptionalString);
+      }
+      if (HasOptionalBytes) {
+        output.WriteBytes(15, OptionalBytes);
+      }
+      if (HasOptionalGroup) {
+        output.WriteGroup(16, OptionalGroup);
+      }
+      if (HasOptionalNestedMessage) {
+        output.WriteMessage(18, OptionalNestedMessage);
+      }
+      if (HasOptionalForeignMessage) {
+        output.WriteMessage(19, OptionalForeignMessage);
+      }
+      if (HasOptionalImportMessage) {
+        output.WriteMessage(20, OptionalImportMessage);
+      }
+      if (HasOptionalNestedEnum) {
+        output.WriteEnum(21, (int) OptionalNestedEnum);
+      }
+      if (HasOptionalForeignEnum) {
+        output.WriteEnum(22, (int) OptionalForeignEnum);
+      }
+      if (HasOptionalImportEnum) {
+        output.WriteEnum(23, (int) OptionalImportEnum);
+      }
+      if (HasOptionalStringPiece) {
+        output.WriteString(24, OptionalStringPiece);
+      }
+      if (HasOptionalCord) {
+        output.WriteString(25, OptionalCord);
+      }
+      if (repeatedInt32_.Count > 0) {
+        foreach (int element in repeatedInt32_) {
+          output.WriteInt32(31, element);
+        }
+      }
+      if (repeatedInt64_.Count > 0) {
+        foreach (long element in repeatedInt64_) {
+          output.WriteInt64(32, element);
+        }
+      }
+      if (repeatedUint32_.Count > 0) {
+        foreach (uint element in repeatedUint32_) {
+          output.WriteUInt32(33, element);
+        }
+      }
+      if (repeatedUint64_.Count > 0) {
+        foreach (ulong element in repeatedUint64_) {
+          output.WriteUInt64(34, element);
+        }
+      }
+      if (repeatedSint32_.Count > 0) {
+        foreach (int element in repeatedSint32_) {
+          output.WriteSInt32(35, element);
+        }
+      }
+      if (repeatedSint64_.Count > 0) {
+        foreach (long element in repeatedSint64_) {
+          output.WriteSInt64(36, element);
+        }
+      }
+      if (repeatedFixed32_.Count > 0) {
+        foreach (uint element in repeatedFixed32_) {
+          output.WriteFixed32(37, element);
+        }
+      }
+      if (repeatedFixed64_.Count > 0) {
+        foreach (ulong element in repeatedFixed64_) {
+          output.WriteFixed64(38, element);
+        }
+      }
+      if (repeatedSfixed32_.Count > 0) {
+        foreach (int element in repeatedSfixed32_) {
+          output.WriteSFixed32(39, element);
+        }
+      }
+      if (repeatedSfixed64_.Count > 0) {
+        foreach (long element in repeatedSfixed64_) {
+          output.WriteSFixed64(40, element);
+        }
+      }
+      if (repeatedFloat_.Count > 0) {
+        foreach (float element in repeatedFloat_) {
+          output.WriteFloat(41, element);
+        }
+      }
+      if (repeatedDouble_.Count > 0) {
+        foreach (double element in repeatedDouble_) {
+          output.WriteDouble(42, element);
+        }
+      }
+      if (repeatedBool_.Count > 0) {
+        foreach (bool element in repeatedBool_) {
+          output.WriteBool(43, element);
+        }
+      }
+      if (repeatedString_.Count > 0) {
+        foreach (string element in repeatedString_) {
+          output.WriteString(44, element);
+        }
+      }
+      if (repeatedBytes_.Count > 0) {
+        foreach (pb::ByteString element in repeatedBytes_) {
+          output.WriteBytes(45, element);
+        }
+      }
+      foreach (global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup element in RepeatedGroupList) {
+        output.WriteGroup(46, element);
+      }
+      foreach (global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage element in RepeatedNestedMessageList) {
+        output.WriteMessage(48, element);
+      }
+      foreach (global::Google.ProtocolBuffers.TestProtos.ForeignMessage element in RepeatedForeignMessageList) {
+        output.WriteMessage(49, element);
+      }
+      foreach (global::Google.ProtocolBuffers.TestProtos.ImportMessage element in RepeatedImportMessageList) {
+        output.WriteMessage(50, element);
+      }
+      if (repeatedNestedEnum_.Count > 0) {
+        foreach (int element in repeatedNestedEnum_) {
+          output.WriteEnum(51, element);
+        }
+      }
+      if (repeatedForeignEnum_.Count > 0) {
+        foreach (int element in repeatedForeignEnum_) {
+          output.WriteEnum(52, element);
+        }
+      }
+      if (repeatedImportEnum_.Count > 0) {
+        foreach (int element in repeatedImportEnum_) {
+          output.WriteEnum(53, element);
+        }
+      }
+      if (repeatedStringPiece_.Count > 0) {
+        foreach (string element in repeatedStringPiece_) {
+          output.WriteString(54, element);
+        }
+      }
+      if (repeatedCord_.Count > 0) {
+        foreach (string element in repeatedCord_) {
+          output.WriteString(55, element);
+        }
+      }
+      if (HasDefaultInt32) {
+        output.WriteInt32(61, DefaultInt32);
+      }
+      if (HasDefaultInt64) {
+        output.WriteInt64(62, DefaultInt64);
+      }
+      if (HasDefaultUint32) {
+        output.WriteUInt32(63, DefaultUint32);
+      }
+      if (HasDefaultUint64) {
+        output.WriteUInt64(64, DefaultUint64);
+      }
+      if (HasDefaultSint32) {
+        output.WriteSInt32(65, DefaultSint32);
+      }
+      if (HasDefaultSint64) {
+        output.WriteSInt64(66, DefaultSint64);
+      }
+      if (HasDefaultFixed32) {
+        output.WriteFixed32(67, DefaultFixed32);
+      }
+      if (HasDefaultFixed64) {
+        output.WriteFixed64(68, DefaultFixed64);
+      }
+      if (HasDefaultSfixed32) {
+        output.WriteSFixed32(69, DefaultSfixed32);
+      }
+      if (HasDefaultSfixed64) {
+        output.WriteSFixed64(70, DefaultSfixed64);
+      }
+      if (HasDefaultFloat) {
+        output.WriteFloat(71, DefaultFloat);
+      }
+      if (HasDefaultDouble) {
+        output.WriteDouble(72, DefaultDouble);
+      }
+      if (HasDefaultBool) {
+        output.WriteBool(73, DefaultBool);
+      }
+      if (HasDefaultString) {
+        output.WriteString(74, DefaultString);
+      }
+      if (HasDefaultBytes) {
+        output.WriteBytes(75, DefaultBytes);
+      }
+      if (HasDefaultNestedEnum) {
+        output.WriteEnum(81, (int) DefaultNestedEnum);
+      }
+      if (HasDefaultForeignEnum) {
+        output.WriteEnum(82, (int) DefaultForeignEnum);
+      }
+      if (HasDefaultImportEnum) {
+        output.WriteEnum(83, (int) DefaultImportEnum);
+      }
+      if (HasDefaultStringPiece) {
+        output.WriteString(84, DefaultStringPiece);
+      }
+      if (HasDefaultCord) {
+        output.WriteString(85, DefaultCord);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasOptionalInt32) {
+          size += pb::CodedOutputStream.ComputeInt32Size(1, OptionalInt32);
+        }
+        if (HasOptionalInt64) {
+          size += pb::CodedOutputStream.ComputeInt64Size(2, OptionalInt64);
+        }
+        if (HasOptionalUint32) {
+          size += pb::CodedOutputStream.ComputeUInt32Size(3, OptionalUint32);
+        }
+        if (HasOptionalUint64) {
+          size += pb::CodedOutputStream.ComputeUInt64Size(4, OptionalUint64);
+        }
+        if (HasOptionalSint32) {
+          size += pb::CodedOutputStream.ComputeSInt32Size(5, OptionalSint32);
+        }
+        if (HasOptionalSint64) {
+          size += pb::CodedOutputStream.ComputeSInt64Size(6, OptionalSint64);
+        }
+        if (HasOptionalFixed32) {
+          size += pb::CodedOutputStream.ComputeFixed32Size(7, OptionalFixed32);
+        }
+        if (HasOptionalFixed64) {
+          size += pb::CodedOutputStream.ComputeFixed64Size(8, OptionalFixed64);
+        }
+        if (HasOptionalSfixed32) {
+          size += pb::CodedOutputStream.ComputeSFixed32Size(9, OptionalSfixed32);
+        }
+        if (HasOptionalSfixed64) {
+          size += pb::CodedOutputStream.ComputeSFixed64Size(10, OptionalSfixed64);
+        }
+        if (HasOptionalFloat) {
+          size += pb::CodedOutputStream.ComputeFloatSize(11, OptionalFloat);
+        }
+        if (HasOptionalDouble) {
+          size += pb::CodedOutputStream.ComputeDoubleSize(12, OptionalDouble);
+        }
+        if (HasOptionalBool) {
+          size += pb::CodedOutputStream.ComputeBoolSize(13, OptionalBool);
+        }
+        if (HasOptionalString) {
+          size += pb::CodedOutputStream.ComputeStringSize(14, OptionalString);
+        }
+        if (HasOptionalBytes) {
+          size += pb::CodedOutputStream.ComputeBytesSize(15, OptionalBytes);
+        }
+        if (HasOptionalGroup) {
+          size += pb::CodedOutputStream.ComputeGroupSize(16, OptionalGroup);
+        }
+        if (HasOptionalNestedMessage) {
+          size += pb::CodedOutputStream.ComputeMessageSize(18, OptionalNestedMessage);
+        }
+        if (HasOptionalForeignMessage) {
+          size += pb::CodedOutputStream.ComputeMessageSize(19, OptionalForeignMessage);
+        }
+        if (HasOptionalImportMessage) {
+          size += pb::CodedOutputStream.ComputeMessageSize(20, OptionalImportMessage);
+        }
+        if (HasOptionalNestedEnum) {
+          size += pb::CodedOutputStream.ComputeEnumSize(21, (int) OptionalNestedEnum);
+        }
+        if (HasOptionalForeignEnum) {
+          size += pb::CodedOutputStream.ComputeEnumSize(22, (int) OptionalForeignEnum);
+        }
+        if (HasOptionalImportEnum) {
+          size += pb::CodedOutputStream.ComputeEnumSize(23, (int) OptionalImportEnum);
+        }
+        if (HasOptionalStringPiece) {
+          size += pb::CodedOutputStream.ComputeStringSize(24, OptionalStringPiece);
+        }
+        if (HasOptionalCord) {
+          size += pb::CodedOutputStream.ComputeStringSize(25, OptionalCord);
+        }
+        {
+          int dataSize = 0;
+          foreach (int element in RepeatedInt32List) {
+            dataSize += pb::CodedOutputStream.ComputeInt32SizeNoTag(element);
+          }
+          size += dataSize;
+          size += 2 * repeatedInt32_.Count;
+        }
+        {
+          int dataSize = 0;
+          foreach (long element in RepeatedInt64List) {
+            dataSize += pb::CodedOutputStream.ComputeInt64SizeNoTag(element);
+          }
+          size += dataSize;
+          size += 2 * repeatedInt64_.Count;
+        }
+        {
+          int dataSize = 0;
+          foreach (uint element in RepeatedUint32List) {
+            dataSize += pb::CodedOutputStream.ComputeUInt32SizeNoTag(element);
+          }
+          size += dataSize;
+          size += 2 * repeatedUint32_.Count;
+        }
+        {
+          int dataSize = 0;
+          foreach (ulong element in RepeatedUint64List) {
+            dataSize += pb::CodedOutputStream.ComputeUInt64SizeNoTag(element);
+          }
+          size += dataSize;
+          size += 2 * repeatedUint64_.Count;
+        }
+        {
+          int dataSize = 0;
+          foreach (int element in RepeatedSint32List) {
+            dataSize += pb::CodedOutputStream.ComputeSInt32SizeNoTag(element);
+          }
+          size += dataSize;
+          size += 2 * repeatedSint32_.Count;
+        }
+        {
+          int dataSize = 0;
+          foreach (long element in RepeatedSint64List) {
+            dataSize += pb::CodedOutputStream.ComputeSInt64SizeNoTag(element);
+          }
+          size += dataSize;
+          size += 2 * repeatedSint64_.Count;
+        }
+        {
+          int dataSize = 0;
+          dataSize = 4 * repeatedFixed32_.Count;
+          size += dataSize;
+          size += 2 * repeatedFixed32_.Count;
+        }
+        {
+          int dataSize = 0;
+          dataSize = 8 * repeatedFixed64_.Count;
+          size += dataSize;
+          size += 2 * repeatedFixed64_.Count;
+        }
+        {
+          int dataSize = 0;
+          dataSize = 4 * repeatedSfixed32_.Count;
+          size += dataSize;
+          size += 2 * repeatedSfixed32_.Count;
+        }
+        {
+          int dataSize = 0;
+          dataSize = 8 * repeatedSfixed64_.Count;
+          size += dataSize;
+          size += 2 * repeatedSfixed64_.Count;
+        }
+        {
+          int dataSize = 0;
+          dataSize = 4 * repeatedFloat_.Count;
+          size += dataSize;
+          size += 2 * repeatedFloat_.Count;
+        }
+        {
+          int dataSize = 0;
+          dataSize = 8 * repeatedDouble_.Count;
+          size += dataSize;
+          size += 2 * repeatedDouble_.Count;
+        }
+        {
+          int dataSize = 0;
+          dataSize = 1 * repeatedBool_.Count;
+          size += dataSize;
+          size += 2 * repeatedBool_.Count;
+        }
+        {
+          int dataSize = 0;
+          foreach (string element in RepeatedStringList) {
+            dataSize += pb::CodedOutputStream.ComputeStringSizeNoTag(element);
+          }
+          size += dataSize;
+          size += 2 * repeatedString_.Count;
+        }
+        {
+          int dataSize = 0;
+          foreach (pb::ByteString element in RepeatedBytesList) {
+            dataSize += pb::CodedOutputStream.ComputeBytesSizeNoTag(element);
+          }
+          size += dataSize;
+          size += 2 * repeatedBytes_.Count;
+        }
+        foreach (global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup element in RepeatedGroupList) {
+          size += pb::CodedOutputStream.ComputeGroupSize(46, element);
+        }
+        foreach (global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage element in RepeatedNestedMessageList) {
+          size += pb::CodedOutputStream.ComputeMessageSize(48, element);
+        }
+        foreach (global::Google.ProtocolBuffers.TestProtos.ForeignMessage element in RepeatedForeignMessageList) {
+          size += pb::CodedOutputStream.ComputeMessageSize(49, element);
+        }
+        foreach (global::Google.ProtocolBuffers.TestProtos.ImportMessage element in RepeatedImportMessageList) {
+          size += pb::CodedOutputStream.ComputeMessageSize(50, element);
+        }
+        {
+          int dataSize = 0;
+          if (repeatedNestedEnum_.Count > 0) {
+            foreach (global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum element in repeatedNestedEnum_) {
+              dataSize += pb::CodedOutputStream.ComputeEnumSizeNoTag((int) element);
+            }
+            size += dataSize;
+            size += 2 * repeatedNestedEnum_.Count;
+          }
+        }
+        {
+          int dataSize = 0;
+          if (repeatedForeignEnum_.Count > 0) {
+            foreach (global::Google.ProtocolBuffers.TestProtos.ForeignEnum element in repeatedForeignEnum_) {
+              dataSize += pb::CodedOutputStream.ComputeEnumSizeNoTag((int) element);
+            }
+            size += dataSize;
+            size += 2 * repeatedForeignEnum_.Count;
+          }
+        }
+        {
+          int dataSize = 0;
+          if (repeatedImportEnum_.Count > 0) {
+            foreach (global::Google.ProtocolBuffers.TestProtos.ImportEnum element in repeatedImportEnum_) {
+              dataSize += pb::CodedOutputStream.ComputeEnumSizeNoTag((int) element);
+            }
+            size += dataSize;
+            size += 2 * repeatedImportEnum_.Count;
+          }
+        }
+        {
+          int dataSize = 0;
+          foreach (string element in RepeatedStringPieceList) {
+            dataSize += pb::CodedOutputStream.ComputeStringSizeNoTag(element);
+          }
+          size += dataSize;
+          size += 2 * repeatedStringPiece_.Count;
+        }
+        {
+          int dataSize = 0;
+          foreach (string element in RepeatedCordList) {
+            dataSize += pb::CodedOutputStream.ComputeStringSizeNoTag(element);
+          }
+          size += dataSize;
+          size += 2 * repeatedCord_.Count;
+        }
+        if (HasDefaultInt32) {
+          size += pb::CodedOutputStream.ComputeInt32Size(61, DefaultInt32);
+        }
+        if (HasDefaultInt64) {
+          size += pb::CodedOutputStream.ComputeInt64Size(62, DefaultInt64);
+        }
+        if (HasDefaultUint32) {
+          size += pb::CodedOutputStream.ComputeUInt32Size(63, DefaultUint32);
+        }
+        if (HasDefaultUint64) {
+          size += pb::CodedOutputStream.ComputeUInt64Size(64, DefaultUint64);
+        }
+        if (HasDefaultSint32) {
+          size += pb::CodedOutputStream.ComputeSInt32Size(65, DefaultSint32);
+        }
+        if (HasDefaultSint64) {
+          size += pb::CodedOutputStream.ComputeSInt64Size(66, DefaultSint64);
+        }
+        if (HasDefaultFixed32) {
+          size += pb::CodedOutputStream.ComputeFixed32Size(67, DefaultFixed32);
+        }
+        if (HasDefaultFixed64) {
+          size += pb::CodedOutputStream.ComputeFixed64Size(68, DefaultFixed64);
+        }
+        if (HasDefaultSfixed32) {
+          size += pb::CodedOutputStream.ComputeSFixed32Size(69, DefaultSfixed32);
+        }
+        if (HasDefaultSfixed64) {
+          size += pb::CodedOutputStream.ComputeSFixed64Size(70, DefaultSfixed64);
+        }
+        if (HasDefaultFloat) {
+          size += pb::CodedOutputStream.ComputeFloatSize(71, DefaultFloat);
+        }
+        if (HasDefaultDouble) {
+          size += pb::CodedOutputStream.ComputeDoubleSize(72, DefaultDouble);
+        }
+        if (HasDefaultBool) {
+          size += pb::CodedOutputStream.ComputeBoolSize(73, DefaultBool);
+        }
+        if (HasDefaultString) {
+          size += pb::CodedOutputStream.ComputeStringSize(74, DefaultString);
+        }
+        if (HasDefaultBytes) {
+          size += pb::CodedOutputStream.ComputeBytesSize(75, DefaultBytes);
+        }
+        if (HasDefaultNestedEnum) {
+          size += pb::CodedOutputStream.ComputeEnumSize(81, (int) DefaultNestedEnum);
+        }
+        if (HasDefaultForeignEnum) {
+          size += pb::CodedOutputStream.ComputeEnumSize(82, (int) DefaultForeignEnum);
+        }
+        if (HasDefaultImportEnum) {
+          size += pb::CodedOutputStream.ComputeEnumSize(83, (int) DefaultImportEnum);
+        }
+        if (HasDefaultStringPiece) {
+          size += pb::CodedOutputStream.ComputeStringSize(84, DefaultStringPiece);
+        }
+        if (HasDefaultCord) {
+          size += pb::CodedOutputStream.ComputeStringSize(85, DefaultCord);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestAllTypes ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestAllTypes ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestAllTypes ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestAllTypes ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestAllTypes ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestAllTypes ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestAllTypes ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static TestAllTypes ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static TestAllTypes ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestAllTypes ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestAllTypes prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestAllTypes, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestAllTypes result = new TestAllTypes();
+      
+      protected override TestAllTypes MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestAllTypes();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Descriptor; }
+      }
+      
+      public override TestAllTypes DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestAllTypes.DefaultInstance; }
+      }
+      
+      public override TestAllTypes BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        result.repeatedInt32_.MakeReadOnly();
+        result.repeatedInt64_.MakeReadOnly();
+        result.repeatedUint32_.MakeReadOnly();
+        result.repeatedUint64_.MakeReadOnly();
+        result.repeatedSint32_.MakeReadOnly();
+        result.repeatedSint64_.MakeReadOnly();
+        result.repeatedFixed32_.MakeReadOnly();
+        result.repeatedFixed64_.MakeReadOnly();
+        result.repeatedSfixed32_.MakeReadOnly();
+        result.repeatedSfixed64_.MakeReadOnly();
+        result.repeatedFloat_.MakeReadOnly();
+        result.repeatedDouble_.MakeReadOnly();
+        result.repeatedBool_.MakeReadOnly();
+        result.repeatedString_.MakeReadOnly();
+        result.repeatedBytes_.MakeReadOnly();
+        result.repeatedGroup_.MakeReadOnly();
+        result.repeatedNestedMessage_.MakeReadOnly();
+        result.repeatedForeignMessage_.MakeReadOnly();
+        result.repeatedImportMessage_.MakeReadOnly();
+        result.repeatedNestedEnum_.MakeReadOnly();
+        result.repeatedForeignEnum_.MakeReadOnly();
+        result.repeatedImportEnum_.MakeReadOnly();
+        result.repeatedStringPiece_.MakeReadOnly();
+        result.repeatedCord_.MakeReadOnly();
+        TestAllTypes returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestAllTypes) {
+          return MergeFrom((TestAllTypes) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestAllTypes other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.TestAllTypes.DefaultInstance) return this;
+        if (other.HasOptionalInt32) {
+          OptionalInt32 = other.OptionalInt32;
+        }
+        if (other.HasOptionalInt64) {
+          OptionalInt64 = other.OptionalInt64;
+        }
+        if (other.HasOptionalUint32) {
+          OptionalUint32 = other.OptionalUint32;
+        }
+        if (other.HasOptionalUint64) {
+          OptionalUint64 = other.OptionalUint64;
+        }
+        if (other.HasOptionalSint32) {
+          OptionalSint32 = other.OptionalSint32;
+        }
+        if (other.HasOptionalSint64) {
+          OptionalSint64 = other.OptionalSint64;
+        }
+        if (other.HasOptionalFixed32) {
+          OptionalFixed32 = other.OptionalFixed32;
+        }
+        if (other.HasOptionalFixed64) {
+          OptionalFixed64 = other.OptionalFixed64;
+        }
+        if (other.HasOptionalSfixed32) {
+          OptionalSfixed32 = other.OptionalSfixed32;
+        }
+        if (other.HasOptionalSfixed64) {
+          OptionalSfixed64 = other.OptionalSfixed64;
+        }
+        if (other.HasOptionalFloat) {
+          OptionalFloat = other.OptionalFloat;
+        }
+        if (other.HasOptionalDouble) {
+          OptionalDouble = other.OptionalDouble;
+        }
+        if (other.HasOptionalBool) {
+          OptionalBool = other.OptionalBool;
+        }
+        if (other.HasOptionalString) {
+          OptionalString = other.OptionalString;
+        }
+        if (other.HasOptionalBytes) {
+          OptionalBytes = other.OptionalBytes;
+        }
+        if (other.HasOptionalGroup) {
+          MergeOptionalGroup(other.OptionalGroup);
+        }
+        if (other.HasOptionalNestedMessage) {
+          MergeOptionalNestedMessage(other.OptionalNestedMessage);
+        }
+        if (other.HasOptionalForeignMessage) {
+          MergeOptionalForeignMessage(other.OptionalForeignMessage);
+        }
+        if (other.HasOptionalImportMessage) {
+          MergeOptionalImportMessage(other.OptionalImportMessage);
+        }
+        if (other.HasOptionalNestedEnum) {
+          OptionalNestedEnum = other.OptionalNestedEnum;
+        }
+        if (other.HasOptionalForeignEnum) {
+          OptionalForeignEnum = other.OptionalForeignEnum;
+        }
+        if (other.HasOptionalImportEnum) {
+          OptionalImportEnum = other.OptionalImportEnum;
+        }
+        if (other.HasOptionalStringPiece) {
+          OptionalStringPiece = other.OptionalStringPiece;
+        }
+        if (other.HasOptionalCord) {
+          OptionalCord = other.OptionalCord;
+        }
+        if (other.repeatedInt32_.Count != 0) {
+          base.AddRange(other.repeatedInt32_, result.repeatedInt32_);
+        }
+        if (other.repeatedInt64_.Count != 0) {
+          base.AddRange(other.repeatedInt64_, result.repeatedInt64_);
+        }
+        if (other.repeatedUint32_.Count != 0) {
+          base.AddRange(other.repeatedUint32_, result.repeatedUint32_);
+        }
+        if (other.repeatedUint64_.Count != 0) {
+          base.AddRange(other.repeatedUint64_, result.repeatedUint64_);
+        }
+        if (other.repeatedSint32_.Count != 0) {
+          base.AddRange(other.repeatedSint32_, result.repeatedSint32_);
+        }
+        if (other.repeatedSint64_.Count != 0) {
+          base.AddRange(other.repeatedSint64_, result.repeatedSint64_);
+        }
+        if (other.repeatedFixed32_.Count != 0) {
+          base.AddRange(other.repeatedFixed32_, result.repeatedFixed32_);
+        }
+        if (other.repeatedFixed64_.Count != 0) {
+          base.AddRange(other.repeatedFixed64_, result.repeatedFixed64_);
+        }
+        if (other.repeatedSfixed32_.Count != 0) {
+          base.AddRange(other.repeatedSfixed32_, result.repeatedSfixed32_);
+        }
+        if (other.repeatedSfixed64_.Count != 0) {
+          base.AddRange(other.repeatedSfixed64_, result.repeatedSfixed64_);
+        }
+        if (other.repeatedFloat_.Count != 0) {
+          base.AddRange(other.repeatedFloat_, result.repeatedFloat_);
+        }
+        if (other.repeatedDouble_.Count != 0) {
+          base.AddRange(other.repeatedDouble_, result.repeatedDouble_);
+        }
+        if (other.repeatedBool_.Count != 0) {
+          base.AddRange(other.repeatedBool_, result.repeatedBool_);
+        }
+        if (other.repeatedString_.Count != 0) {
+          base.AddRange(other.repeatedString_, result.repeatedString_);
+        }
+        if (other.repeatedBytes_.Count != 0) {
+          base.AddRange(other.repeatedBytes_, result.repeatedBytes_);
+        }
+        if (other.repeatedGroup_.Count != 0) {
+          base.AddRange(other.repeatedGroup_, result.repeatedGroup_);
+        }
+        if (other.repeatedNestedMessage_.Count != 0) {
+          base.AddRange(other.repeatedNestedMessage_, result.repeatedNestedMessage_);
+        }
+        if (other.repeatedForeignMessage_.Count != 0) {
+          base.AddRange(other.repeatedForeignMessage_, result.repeatedForeignMessage_);
+        }
+        if (other.repeatedImportMessage_.Count != 0) {
+          base.AddRange(other.repeatedImportMessage_, result.repeatedImportMessage_);
+        }
+        if (other.repeatedNestedEnum_.Count != 0) {
+          base.AddRange(other.repeatedNestedEnum_, result.repeatedNestedEnum_);
+        }
+        if (other.repeatedForeignEnum_.Count != 0) {
+          base.AddRange(other.repeatedForeignEnum_, result.repeatedForeignEnum_);
+        }
+        if (other.repeatedImportEnum_.Count != 0) {
+          base.AddRange(other.repeatedImportEnum_, result.repeatedImportEnum_);
+        }
+        if (other.repeatedStringPiece_.Count != 0) {
+          base.AddRange(other.repeatedStringPiece_, result.repeatedStringPiece_);
+        }
+        if (other.repeatedCord_.Count != 0) {
+          base.AddRange(other.repeatedCord_, result.repeatedCord_);
+        }
+        if (other.HasDefaultInt32) {
+          DefaultInt32 = other.DefaultInt32;
+        }
+        if (other.HasDefaultInt64) {
+          DefaultInt64 = other.DefaultInt64;
+        }
+        if (other.HasDefaultUint32) {
+          DefaultUint32 = other.DefaultUint32;
+        }
+        if (other.HasDefaultUint64) {
+          DefaultUint64 = other.DefaultUint64;
+        }
+        if (other.HasDefaultSint32) {
+          DefaultSint32 = other.DefaultSint32;
+        }
+        if (other.HasDefaultSint64) {
+          DefaultSint64 = other.DefaultSint64;
+        }
+        if (other.HasDefaultFixed32) {
+          DefaultFixed32 = other.DefaultFixed32;
+        }
+        if (other.HasDefaultFixed64) {
+          DefaultFixed64 = other.DefaultFixed64;
+        }
+        if (other.HasDefaultSfixed32) {
+          DefaultSfixed32 = other.DefaultSfixed32;
+        }
+        if (other.HasDefaultSfixed64) {
+          DefaultSfixed64 = other.DefaultSfixed64;
+        }
+        if (other.HasDefaultFloat) {
+          DefaultFloat = other.DefaultFloat;
+        }
+        if (other.HasDefaultDouble) {
+          DefaultDouble = other.DefaultDouble;
+        }
+        if (other.HasDefaultBool) {
+          DefaultBool = other.DefaultBool;
+        }
+        if (other.HasDefaultString) {
+          DefaultString = other.DefaultString;
+        }
+        if (other.HasDefaultBytes) {
+          DefaultBytes = other.DefaultBytes;
+        }
+        if (other.HasDefaultNestedEnum) {
+          DefaultNestedEnum = other.DefaultNestedEnum;
+        }
+        if (other.HasDefaultForeignEnum) {
+          DefaultForeignEnum = other.DefaultForeignEnum;
+        }
+        if (other.HasDefaultImportEnum) {
+          DefaultImportEnum = other.DefaultImportEnum;
+        }
+        if (other.HasDefaultStringPiece) {
+          DefaultStringPiece = other.DefaultStringPiece;
+        }
+        if (other.HasDefaultCord) {
+          DefaultCord = other.DefaultCord;
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+            case 8: {
+              OptionalInt32 = input.ReadInt32();
+              break;
+            }
+            case 16: {
+              OptionalInt64 = input.ReadInt64();
+              break;
+            }
+            case 24: {
+              OptionalUint32 = input.ReadUInt32();
+              break;
+            }
+            case 32: {
+              OptionalUint64 = input.ReadUInt64();
+              break;
+            }
+            case 40: {
+              OptionalSint32 = input.ReadSInt32();
+              break;
+            }
+            case 48: {
+              OptionalSint64 = input.ReadSInt64();
+              break;
+            }
+            case 61: {
+              OptionalFixed32 = input.ReadFixed32();
+              break;
+            }
+            case 65: {
+              OptionalFixed64 = input.ReadFixed64();
+              break;
+            }
+            case 77: {
+              OptionalSfixed32 = input.ReadSFixed32();
+              break;
+            }
+            case 81: {
+              OptionalSfixed64 = input.ReadSFixed64();
+              break;
+            }
+            case 93: {
+              OptionalFloat = input.ReadFloat();
+              break;
+            }
+            case 97: {
+              OptionalDouble = input.ReadDouble();
+              break;
+            }
+            case 104: {
+              OptionalBool = input.ReadBool();
+              break;
+            }
+            case 114: {
+              OptionalString = input.ReadString();
+              break;
+            }
+            case 122: {
+              OptionalBytes = input.ReadBytes();
+              break;
+            }
+            case 131: {
+              global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup.CreateBuilder();
+              if (HasOptionalGroup) {
+                subBuilder.MergeFrom(OptionalGroup);
+              }
+              input.ReadGroup(16, subBuilder, extensionRegistry);
+              OptionalGroup = subBuilder.BuildPartial();
+              break;
+            }
+            case 146: {
+              global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.CreateBuilder();
+              if (HasOptionalNestedMessage) {
+                subBuilder.MergeFrom(OptionalNestedMessage);
+              }
+              input.ReadMessage(subBuilder, extensionRegistry);
+              OptionalNestedMessage = subBuilder.BuildPartial();
+              break;
+            }
+            case 154: {
+              global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.ForeignMessage.CreateBuilder();
+              if (HasOptionalForeignMessage) {
+                subBuilder.MergeFrom(OptionalForeignMessage);
+              }
+              input.ReadMessage(subBuilder, extensionRegistry);
+              OptionalForeignMessage = subBuilder.BuildPartial();
+              break;
+            }
+            case 162: {
+              global::Google.ProtocolBuffers.TestProtos.ImportMessage.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.ImportMessage.CreateBuilder();
+              if (HasOptionalImportMessage) {
+                subBuilder.MergeFrom(OptionalImportMessage);
+              }
+              input.ReadMessage(subBuilder, extensionRegistry);
+              OptionalImportMessage = subBuilder.BuildPartial();
+              break;
+            }
+            case 168: {
+              int rawValue = input.ReadEnum();
+              if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum), rawValue)) {
+                if (unknownFields == null) {
+                  unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+                }
+                unknownFields.MergeVarintField(21, (ulong) rawValue);
+              } else {
+                OptionalNestedEnum = (global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum) rawValue;
+              }
+              break;
+            }
+            case 176: {
+              int rawValue = input.ReadEnum();
+              if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.ForeignEnum), rawValue)) {
+                if (unknownFields == null) {
+                  unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+                }
+                unknownFields.MergeVarintField(22, (ulong) rawValue);
+              } else {
+                OptionalForeignEnum = (global::Google.ProtocolBuffers.TestProtos.ForeignEnum) rawValue;
+              }
+              break;
+            }
+            case 184: {
+              int rawValue = input.ReadEnum();
+              if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.ImportEnum), rawValue)) {
+                if (unknownFields == null) {
+                  unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+                }
+                unknownFields.MergeVarintField(23, (ulong) rawValue);
+              } else {
+                OptionalImportEnum = (global::Google.ProtocolBuffers.TestProtos.ImportEnum) rawValue;
+              }
+              break;
+            }
+            case 194: {
+              OptionalStringPiece = input.ReadString();
+              break;
+            }
+            case 202: {
+              OptionalCord = input.ReadString();
+              break;
+            }
+            case 248: {
+              AddRepeatedInt32(input.ReadInt32());
+              break;
+            }
+            case 256: {
+              AddRepeatedInt64(input.ReadInt64());
+              break;
+            }
+            case 264: {
+              AddRepeatedUint32(input.ReadUInt32());
+              break;
+            }
+            case 272: {
+              AddRepeatedUint64(input.ReadUInt64());
+              break;
+            }
+            case 280: {
+              AddRepeatedSint32(input.ReadSInt32());
+              break;
+            }
+            case 288: {
+              AddRepeatedSint64(input.ReadSInt64());
+              break;
+            }
+            case 301: {
+              AddRepeatedFixed32(input.ReadFixed32());
+              break;
+            }
+            case 305: {
+              AddRepeatedFixed64(input.ReadFixed64());
+              break;
+            }
+            case 317: {
+              AddRepeatedSfixed32(input.ReadSFixed32());
+              break;
+            }
+            case 321: {
+              AddRepeatedSfixed64(input.ReadSFixed64());
+              break;
+            }
+            case 333: {
+              AddRepeatedFloat(input.ReadFloat());
+              break;
+            }
+            case 337: {
+              AddRepeatedDouble(input.ReadDouble());
+              break;
+            }
+            case 344: {
+              AddRepeatedBool(input.ReadBool());
+              break;
+            }
+            case 354: {
+              AddRepeatedString(input.ReadString());
+              break;
+            }
+            case 362: {
+              AddRepeatedBytes(input.ReadBytes());
+              break;
+            }
+            case 371: {
+              global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup.CreateBuilder();
+              input.ReadGroup(46, subBuilder, extensionRegistry);
+              AddRepeatedGroup(subBuilder.BuildPartial());
+              break;
+            }
+            case 386: {
+              global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.CreateBuilder();
+              input.ReadMessage(subBuilder, extensionRegistry);
+              AddRepeatedNestedMessage(subBuilder.BuildPartial());
+              break;
+            }
+            case 394: {
+              global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.ForeignMessage.CreateBuilder();
+              input.ReadMessage(subBuilder, extensionRegistry);
+              AddRepeatedForeignMessage(subBuilder.BuildPartial());
+              break;
+            }
+            case 402: {
+              global::Google.ProtocolBuffers.TestProtos.ImportMessage.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.ImportMessage.CreateBuilder();
+              input.ReadMessage(subBuilder, extensionRegistry);
+              AddRepeatedImportMessage(subBuilder.BuildPartial());
+              break;
+            }
+            case 408: {
+              int rawValue = input.ReadEnum();
+              if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum), rawValue)) {
+                if (unknownFields == null) {
+                  unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+                }
+                unknownFields.MergeVarintField(51, (ulong) rawValue);
+              } else {
+                AddRepeatedNestedEnum((global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum) rawValue);
+              }
+              break;
+            }
+            case 416: {
+              int rawValue = input.ReadEnum();
+              if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.ForeignEnum), rawValue)) {
+                if (unknownFields == null) {
+                  unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+                }
+                unknownFields.MergeVarintField(52, (ulong) rawValue);
+              } else {
+                AddRepeatedForeignEnum((global::Google.ProtocolBuffers.TestProtos.ForeignEnum) rawValue);
+              }
+              break;
+            }
+            case 424: {
+              int rawValue = input.ReadEnum();
+              if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.ImportEnum), rawValue)) {
+                if (unknownFields == null) {
+                  unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+                }
+                unknownFields.MergeVarintField(53, (ulong) rawValue);
+              } else {
+                AddRepeatedImportEnum((global::Google.ProtocolBuffers.TestProtos.ImportEnum) rawValue);
+              }
+              break;
+            }
+            case 434: {
+              AddRepeatedStringPiece(input.ReadString());
+              break;
+            }
+            case 442: {
+              AddRepeatedCord(input.ReadString());
+              break;
+            }
+            case 488: {
+              DefaultInt32 = input.ReadInt32();
+              break;
+            }
+            case 496: {
+              DefaultInt64 = input.ReadInt64();
+              break;
+            }
+            case 504: {
+              DefaultUint32 = input.ReadUInt32();
+              break;
+            }
+            case 512: {
+              DefaultUint64 = input.ReadUInt64();
+              break;
+            }
+            case 520: {
+              DefaultSint32 = input.ReadSInt32();
+              break;
+            }
+            case 528: {
+              DefaultSint64 = input.ReadSInt64();
+              break;
+            }
+            case 541: {
+              DefaultFixed32 = input.ReadFixed32();
+              break;
+            }
+            case 545: {
+              DefaultFixed64 = input.ReadFixed64();
+              break;
+            }
+            case 557: {
+              DefaultSfixed32 = input.ReadSFixed32();
+              break;
+            }
+            case 561: {
+              DefaultSfixed64 = input.ReadSFixed64();
+              break;
+            }
+            case 573: {
+              DefaultFloat = input.ReadFloat();
+              break;
+            }
+            case 577: {
+              DefaultDouble = input.ReadDouble();
+              break;
+            }
+            case 584: {
+              DefaultBool = input.ReadBool();
+              break;
+            }
+            case 594: {
+              DefaultString = input.ReadString();
+              break;
+            }
+            case 602: {
+              DefaultBytes = input.ReadBytes();
+              break;
+            }
+            case 648: {
+              int rawValue = input.ReadEnum();
+              if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum), rawValue)) {
+                if (unknownFields == null) {
+                  unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+                }
+                unknownFields.MergeVarintField(81, (ulong) rawValue);
+              } else {
+                DefaultNestedEnum = (global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum) rawValue;
+              }
+              break;
+            }
+            case 656: {
+              int rawValue = input.ReadEnum();
+              if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.ForeignEnum), rawValue)) {
+                if (unknownFields == null) {
+                  unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+                }
+                unknownFields.MergeVarintField(82, (ulong) rawValue);
+              } else {
+                DefaultForeignEnum = (global::Google.ProtocolBuffers.TestProtos.ForeignEnum) rawValue;
+              }
+              break;
+            }
+            case 664: {
+              int rawValue = input.ReadEnum();
+              if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.ImportEnum), rawValue)) {
+                if (unknownFields == null) {
+                  unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+                }
+                unknownFields.MergeVarintField(83, (ulong) rawValue);
+              } else {
+                DefaultImportEnum = (global::Google.ProtocolBuffers.TestProtos.ImportEnum) rawValue;
+              }
+              break;
+            }
+            case 674: {
+              DefaultStringPiece = input.ReadString();
+              break;
+            }
+            case 682: {
+              DefaultCord = input.ReadString();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasOptionalInt32 {
+        get { return result.HasOptionalInt32; }
+      }
+      public int OptionalInt32 {
+        get { return result.OptionalInt32; }
+        set { SetOptionalInt32(value); }
+      }
+      public Builder SetOptionalInt32(int value) {
+        result.hasOptionalInt32 = true;
+        result.optionalInt32_ = value;
+        return this;
+      }
+      public Builder ClearOptionalInt32() {
+        result.hasOptionalInt32 = false;
+        result.optionalInt32_ = 0;
+        return this;
+      }
+      
+      public bool HasOptionalInt64 {
+        get { return result.HasOptionalInt64; }
+      }
+      public long OptionalInt64 {
+        get { return result.OptionalInt64; }
+        set { SetOptionalInt64(value); }
+      }
+      public Builder SetOptionalInt64(long value) {
+        result.hasOptionalInt64 = true;
+        result.optionalInt64_ = value;
+        return this;
+      }
+      public Builder ClearOptionalInt64() {
+        result.hasOptionalInt64 = false;
+        result.optionalInt64_ = 0L;
+        return this;
+      }
+      
+      public bool HasOptionalUint32 {
+        get { return result.HasOptionalUint32; }
+      }
+      [global::System.CLSCompliant(false)]
+      public uint OptionalUint32 {
+        get { return result.OptionalUint32; }
+        set { SetOptionalUint32(value); }
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder SetOptionalUint32(uint value) {
+        result.hasOptionalUint32 = true;
+        result.optionalUint32_ = value;
+        return this;
+      }
+      public Builder ClearOptionalUint32() {
+        result.hasOptionalUint32 = false;
+        result.optionalUint32_ = 0;
+        return this;
+      }
+      
+      public bool HasOptionalUint64 {
+        get { return result.HasOptionalUint64; }
+      }
+      [global::System.CLSCompliant(false)]
+      public ulong OptionalUint64 {
+        get { return result.OptionalUint64; }
+        set { SetOptionalUint64(value); }
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder SetOptionalUint64(ulong value) {
+        result.hasOptionalUint64 = true;
+        result.optionalUint64_ = value;
+        return this;
+      }
+      public Builder ClearOptionalUint64() {
+        result.hasOptionalUint64 = false;
+        result.optionalUint64_ = 0UL;
+        return this;
+      }
+      
+      public bool HasOptionalSint32 {
+        get { return result.HasOptionalSint32; }
+      }
+      public int OptionalSint32 {
+        get { return result.OptionalSint32; }
+        set { SetOptionalSint32(value); }
+      }
+      public Builder SetOptionalSint32(int value) {
+        result.hasOptionalSint32 = true;
+        result.optionalSint32_ = value;
+        return this;
+      }
+      public Builder ClearOptionalSint32() {
+        result.hasOptionalSint32 = false;
+        result.optionalSint32_ = 0;
+        return this;
+      }
+      
+      public bool HasOptionalSint64 {
+        get { return result.HasOptionalSint64; }
+      }
+      public long OptionalSint64 {
+        get { return result.OptionalSint64; }
+        set { SetOptionalSint64(value); }
+      }
+      public Builder SetOptionalSint64(long value) {
+        result.hasOptionalSint64 = true;
+        result.optionalSint64_ = value;
+        return this;
+      }
+      public Builder ClearOptionalSint64() {
+        result.hasOptionalSint64 = false;
+        result.optionalSint64_ = 0;
+        return this;
+      }
+      
+      public bool HasOptionalFixed32 {
+        get { return result.HasOptionalFixed32; }
+      }
+      [global::System.CLSCompliant(false)]
+      public uint OptionalFixed32 {
+        get { return result.OptionalFixed32; }
+        set { SetOptionalFixed32(value); }
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder SetOptionalFixed32(uint value) {
+        result.hasOptionalFixed32 = true;
+        result.optionalFixed32_ = value;
+        return this;
+      }
+      public Builder ClearOptionalFixed32() {
+        result.hasOptionalFixed32 = false;
+        result.optionalFixed32_ = 0;
+        return this;
+      }
+      
+      public bool HasOptionalFixed64 {
+        get { return result.HasOptionalFixed64; }
+      }
+      [global::System.CLSCompliant(false)]
+      public ulong OptionalFixed64 {
+        get { return result.OptionalFixed64; }
+        set { SetOptionalFixed64(value); }
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder SetOptionalFixed64(ulong value) {
+        result.hasOptionalFixed64 = true;
+        result.optionalFixed64_ = value;
+        return this;
+      }
+      public Builder ClearOptionalFixed64() {
+        result.hasOptionalFixed64 = false;
+        result.optionalFixed64_ = 0;
+        return this;
+      }
+      
+      public bool HasOptionalSfixed32 {
+        get { return result.HasOptionalSfixed32; }
+      }
+      public int OptionalSfixed32 {
+        get { return result.OptionalSfixed32; }
+        set { SetOptionalSfixed32(value); }
+      }
+      public Builder SetOptionalSfixed32(int value) {
+        result.hasOptionalSfixed32 = true;
+        result.optionalSfixed32_ = value;
+        return this;
+      }
+      public Builder ClearOptionalSfixed32() {
+        result.hasOptionalSfixed32 = false;
+        result.optionalSfixed32_ = 0;
+        return this;
+      }
+      
+      public bool HasOptionalSfixed64 {
+        get { return result.HasOptionalSfixed64; }
+      }
+      public long OptionalSfixed64 {
+        get { return result.OptionalSfixed64; }
+        set { SetOptionalSfixed64(value); }
+      }
+      public Builder SetOptionalSfixed64(long value) {
+        result.hasOptionalSfixed64 = true;
+        result.optionalSfixed64_ = value;
+        return this;
+      }
+      public Builder ClearOptionalSfixed64() {
+        result.hasOptionalSfixed64 = false;
+        result.optionalSfixed64_ = 0;
+        return this;
+      }
+      
+      public bool HasOptionalFloat {
+        get { return result.HasOptionalFloat; }
+      }
+      public float OptionalFloat {
+        get { return result.OptionalFloat; }
+        set { SetOptionalFloat(value); }
+      }
+      public Builder SetOptionalFloat(float value) {
+        result.hasOptionalFloat = true;
+        result.optionalFloat_ = value;
+        return this;
+      }
+      public Builder ClearOptionalFloat() {
+        result.hasOptionalFloat = false;
+        result.optionalFloat_ = 0F;
+        return this;
+      }
+      
+      public bool HasOptionalDouble {
+        get { return result.HasOptionalDouble; }
+      }
+      public double OptionalDouble {
+        get { return result.OptionalDouble; }
+        set { SetOptionalDouble(value); }
+      }
+      public Builder SetOptionalDouble(double value) {
+        result.hasOptionalDouble = true;
+        result.optionalDouble_ = value;
+        return this;
+      }
+      public Builder ClearOptionalDouble() {
+        result.hasOptionalDouble = false;
+        result.optionalDouble_ = 0D;
+        return this;
+      }
+      
+      public bool HasOptionalBool {
+        get { return result.HasOptionalBool; }
+      }
+      public bool OptionalBool {
+        get { return result.OptionalBool; }
+        set { SetOptionalBool(value); }
+      }
+      public Builder SetOptionalBool(bool value) {
+        result.hasOptionalBool = true;
+        result.optionalBool_ = value;
+        return this;
+      }
+      public Builder ClearOptionalBool() {
+        result.hasOptionalBool = false;
+        result.optionalBool_ = false;
+        return this;
+      }
+      
+      public bool HasOptionalString {
+        get { return result.HasOptionalString; }
+      }
+      public string OptionalString {
+        get { return result.OptionalString; }
+        set { SetOptionalString(value); }
+      }
+      public Builder SetOptionalString(string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasOptionalString = true;
+        result.optionalString_ = value;
+        return this;
+      }
+      public Builder ClearOptionalString() {
+        result.hasOptionalString = false;
+        result.optionalString_ = "";
+        return this;
+      }
+      
+      public bool HasOptionalBytes {
+        get { return result.HasOptionalBytes; }
+      }
+      public pb::ByteString OptionalBytes {
+        get { return result.OptionalBytes; }
+        set { SetOptionalBytes(value); }
+      }
+      public Builder SetOptionalBytes(pb::ByteString value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasOptionalBytes = true;
+        result.optionalBytes_ = value;
+        return this;
+      }
+      public Builder ClearOptionalBytes() {
+        result.hasOptionalBytes = false;
+        result.optionalBytes_ = pb::ByteString.Empty;
+        return this;
+      }
+      
+      public bool HasOptionalGroup {
+       get { return result.HasOptionalGroup; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup OptionalGroup {
+        get { return result.OptionalGroup; }
+        set { SetOptionalGroup(value); }
+      }
+      public Builder SetOptionalGroup(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasOptionalGroup = true;
+        result.optionalGroup_ = value;
+        return this;
+      }
+      public Builder SetOptionalGroup(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.hasOptionalGroup = true;
+        result.optionalGroup_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeOptionalGroup(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        if (result.HasOptionalGroup &&
+            result.optionalGroup_ != global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup.DefaultInstance) {
+            result.optionalGroup_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup.CreateBuilder(result.optionalGroup_).MergeFrom(value).BuildPartial();
+        } else {
+          result.optionalGroup_ = value;
+        }
+        result.hasOptionalGroup = true;
+        return this;
+      }
+      public Builder ClearOptionalGroup() {
+        result.hasOptionalGroup = false;
+        result.optionalGroup_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup.DefaultInstance;
+        return this;
+      }
+      
+      public bool HasOptionalNestedMessage {
+       get { return result.HasOptionalNestedMessage; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage OptionalNestedMessage {
+        get { return result.OptionalNestedMessage; }
+        set { SetOptionalNestedMessage(value); }
+      }
+      public Builder SetOptionalNestedMessage(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasOptionalNestedMessage = true;
+        result.optionalNestedMessage_ = value;
+        return this;
+      }
+      public Builder SetOptionalNestedMessage(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.hasOptionalNestedMessage = true;
+        result.optionalNestedMessage_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeOptionalNestedMessage(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        if (result.HasOptionalNestedMessage &&
+            result.optionalNestedMessage_ != global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.DefaultInstance) {
+            result.optionalNestedMessage_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.CreateBuilder(result.optionalNestedMessage_).MergeFrom(value).BuildPartial();
+        } else {
+          result.optionalNestedMessage_ = value;
+        }
+        result.hasOptionalNestedMessage = true;
+        return this;
+      }
+      public Builder ClearOptionalNestedMessage() {
+        result.hasOptionalNestedMessage = false;
+        result.optionalNestedMessage_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.DefaultInstance;
+        return this;
+      }
+      
+      public bool HasOptionalForeignMessage {
+       get { return result.HasOptionalForeignMessage; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ForeignMessage OptionalForeignMessage {
+        get { return result.OptionalForeignMessage; }
+        set { SetOptionalForeignMessage(value); }
+      }
+      public Builder SetOptionalForeignMessage(global::Google.ProtocolBuffers.TestProtos.ForeignMessage value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasOptionalForeignMessage = true;
+        result.optionalForeignMessage_ = value;
+        return this;
+      }
+      public Builder SetOptionalForeignMessage(global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.hasOptionalForeignMessage = true;
+        result.optionalForeignMessage_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeOptionalForeignMessage(global::Google.ProtocolBuffers.TestProtos.ForeignMessage value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        if (result.HasOptionalForeignMessage &&
+            result.optionalForeignMessage_ != global::Google.ProtocolBuffers.TestProtos.ForeignMessage.DefaultInstance) {
+            result.optionalForeignMessage_ = global::Google.ProtocolBuffers.TestProtos.ForeignMessage.CreateBuilder(result.optionalForeignMessage_).MergeFrom(value).BuildPartial();
+        } else {
+          result.optionalForeignMessage_ = value;
+        }
+        result.hasOptionalForeignMessage = true;
+        return this;
+      }
+      public Builder ClearOptionalForeignMessage() {
+        result.hasOptionalForeignMessage = false;
+        result.optionalForeignMessage_ = global::Google.ProtocolBuffers.TestProtos.ForeignMessage.DefaultInstance;
+        return this;
+      }
+      
+      public bool HasOptionalImportMessage {
+       get { return result.HasOptionalImportMessage; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ImportMessage OptionalImportMessage {
+        get { return result.OptionalImportMessage; }
+        set { SetOptionalImportMessage(value); }
+      }
+      public Builder SetOptionalImportMessage(global::Google.ProtocolBuffers.TestProtos.ImportMessage value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasOptionalImportMessage = true;
+        result.optionalImportMessage_ = value;
+        return this;
+      }
+      public Builder SetOptionalImportMessage(global::Google.ProtocolBuffers.TestProtos.ImportMessage.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.hasOptionalImportMessage = true;
+        result.optionalImportMessage_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeOptionalImportMessage(global::Google.ProtocolBuffers.TestProtos.ImportMessage value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        if (result.HasOptionalImportMessage &&
+            result.optionalImportMessage_ != global::Google.ProtocolBuffers.TestProtos.ImportMessage.DefaultInstance) {
+            result.optionalImportMessage_ = global::Google.ProtocolBuffers.TestProtos.ImportMessage.CreateBuilder(result.optionalImportMessage_).MergeFrom(value).BuildPartial();
+        } else {
+          result.optionalImportMessage_ = value;
+        }
+        result.hasOptionalImportMessage = true;
+        return this;
+      }
+      public Builder ClearOptionalImportMessage() {
+        result.hasOptionalImportMessage = false;
+        result.optionalImportMessage_ = global::Google.ProtocolBuffers.TestProtos.ImportMessage.DefaultInstance;
+        return this;
+      }
+      
+      public bool HasOptionalNestedEnum {
+       get { return result.HasOptionalNestedEnum; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum OptionalNestedEnum {
+        get { return result.OptionalNestedEnum; }
+        set { SetOptionalNestedEnum(value); }
+      }
+      public Builder SetOptionalNestedEnum(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum value) {
+        result.hasOptionalNestedEnum = true;
+        result.optionalNestedEnum_ = value;
+        return this;
+      }
+      public Builder ClearOptionalNestedEnum() {
+        result.hasOptionalNestedEnum = false;
+        result.optionalNestedEnum_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum.FOO;
+        return this;
+      }
+      
+      public bool HasOptionalForeignEnum {
+       get { return result.HasOptionalForeignEnum; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ForeignEnum OptionalForeignEnum {
+        get { return result.OptionalForeignEnum; }
+        set { SetOptionalForeignEnum(value); }
+      }
+      public Builder SetOptionalForeignEnum(global::Google.ProtocolBuffers.TestProtos.ForeignEnum value) {
+        result.hasOptionalForeignEnum = true;
+        result.optionalForeignEnum_ = value;
+        return this;
+      }
+      public Builder ClearOptionalForeignEnum() {
+        result.hasOptionalForeignEnum = false;
+        result.optionalForeignEnum_ = global::Google.ProtocolBuffers.TestProtos.ForeignEnum.FOREIGN_FOO;
+        return this;
+      }
+      
+      public bool HasOptionalImportEnum {
+       get { return result.HasOptionalImportEnum; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ImportEnum OptionalImportEnum {
+        get { return result.OptionalImportEnum; }
+        set { SetOptionalImportEnum(value); }
+      }
+      public Builder SetOptionalImportEnum(global::Google.ProtocolBuffers.TestProtos.ImportEnum value) {
+        result.hasOptionalImportEnum = true;
+        result.optionalImportEnum_ = value;
+        return this;
+      }
+      public Builder ClearOptionalImportEnum() {
+        result.hasOptionalImportEnum = false;
+        result.optionalImportEnum_ = global::Google.ProtocolBuffers.TestProtos.ImportEnum.IMPORT_FOO;
+        return this;
+      }
+      
+      public bool HasOptionalStringPiece {
+        get { return result.HasOptionalStringPiece; }
+      }
+      public string OptionalStringPiece {
+        get { return result.OptionalStringPiece; }
+        set { SetOptionalStringPiece(value); }
+      }
+      public Builder SetOptionalStringPiece(string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasOptionalStringPiece = true;
+        result.optionalStringPiece_ = value;
+        return this;
+      }
+      public Builder ClearOptionalStringPiece() {
+        result.hasOptionalStringPiece = false;
+        result.optionalStringPiece_ = "";
+        return this;
+      }
+      
+      public bool HasOptionalCord {
+        get { return result.HasOptionalCord; }
+      }
+      public string OptionalCord {
+        get { return result.OptionalCord; }
+        set { SetOptionalCord(value); }
+      }
+      public Builder SetOptionalCord(string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasOptionalCord = true;
+        result.optionalCord_ = value;
+        return this;
+      }
+      public Builder ClearOptionalCord() {
+        result.hasOptionalCord = false;
+        result.optionalCord_ = "";
+        return this;
+      }
+      
+      public pbc::IPopsicleList<int> RepeatedInt32List {
+        get { return result.repeatedInt32_; }
+      }
+      public int RepeatedInt32Count {
+        get { return result.RepeatedInt32Count; }
+      }
+      public int GetRepeatedInt32(int index) {
+        return result.GetRepeatedInt32(index);
+      }
+      public Builder SetRepeatedInt32(int index, int value) {
+        result.repeatedInt32_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedInt32(int value) {
+        result.repeatedInt32_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedInt32(scg::IEnumerable<int> values) {
+        base.AddRange(values, result.repeatedInt32_);
+        return this;
+      }
+      public Builder ClearRepeatedInt32() {
+        result.repeatedInt32_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<long> RepeatedInt64List {
+        get { return result.repeatedInt64_; }
+      }
+      public int RepeatedInt64Count {
+        get { return result.RepeatedInt64Count; }
+      }
+      public long GetRepeatedInt64(int index) {
+        return result.GetRepeatedInt64(index);
+      }
+      public Builder SetRepeatedInt64(int index, long value) {
+        result.repeatedInt64_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedInt64(long value) {
+        result.repeatedInt64_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedInt64(scg::IEnumerable<long> values) {
+        base.AddRange(values, result.repeatedInt64_);
+        return this;
+      }
+      public Builder ClearRepeatedInt64() {
+        result.repeatedInt64_.Clear();
+        return this;
+      }
+      
+      [global::System.CLSCompliant(false)]
+      public pbc::IPopsicleList<uint> RepeatedUint32List {
+        get { return result.repeatedUint32_; }
+      }
+      public int RepeatedUint32Count {
+        get { return result.RepeatedUint32Count; }
+      }
+      [global::System.CLSCompliant(false)]
+      public uint GetRepeatedUint32(int index) {
+        return result.GetRepeatedUint32(index);
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder SetRepeatedUint32(int index, uint value) {
+        result.repeatedUint32_[index] = value;
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddRepeatedUint32(uint value) {
+        result.repeatedUint32_.Add(value);
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddRangeRepeatedUint32(scg::IEnumerable<uint> values) {
+        base.AddRange(values, result.repeatedUint32_);
+        return this;
+      }
+      public Builder ClearRepeatedUint32() {
+        result.repeatedUint32_.Clear();
+        return this;
+      }
+      
+      [global::System.CLSCompliant(false)]
+      public pbc::IPopsicleList<ulong> RepeatedUint64List {
+        get { return result.repeatedUint64_; }
+      }
+      public int RepeatedUint64Count {
+        get { return result.RepeatedUint64Count; }
+      }
+      [global::System.CLSCompliant(false)]
+      public ulong GetRepeatedUint64(int index) {
+        return result.GetRepeatedUint64(index);
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder SetRepeatedUint64(int index, ulong value) {
+        result.repeatedUint64_[index] = value;
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddRepeatedUint64(ulong value) {
+        result.repeatedUint64_.Add(value);
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddRangeRepeatedUint64(scg::IEnumerable<ulong> values) {
+        base.AddRange(values, result.repeatedUint64_);
+        return this;
+      }
+      public Builder ClearRepeatedUint64() {
+        result.repeatedUint64_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<int> RepeatedSint32List {
+        get { return result.repeatedSint32_; }
+      }
+      public int RepeatedSint32Count {
+        get { return result.RepeatedSint32Count; }
+      }
+      public int GetRepeatedSint32(int index) {
+        return result.GetRepeatedSint32(index);
+      }
+      public Builder SetRepeatedSint32(int index, int value) {
+        result.repeatedSint32_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedSint32(int value) {
+        result.repeatedSint32_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedSint32(scg::IEnumerable<int> values) {
+        base.AddRange(values, result.repeatedSint32_);
+        return this;
+      }
+      public Builder ClearRepeatedSint32() {
+        result.repeatedSint32_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<long> RepeatedSint64List {
+        get { return result.repeatedSint64_; }
+      }
+      public int RepeatedSint64Count {
+        get { return result.RepeatedSint64Count; }
+      }
+      public long GetRepeatedSint64(int index) {
+        return result.GetRepeatedSint64(index);
+      }
+      public Builder SetRepeatedSint64(int index, long value) {
+        result.repeatedSint64_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedSint64(long value) {
+        result.repeatedSint64_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedSint64(scg::IEnumerable<long> values) {
+        base.AddRange(values, result.repeatedSint64_);
+        return this;
+      }
+      public Builder ClearRepeatedSint64() {
+        result.repeatedSint64_.Clear();
+        return this;
+      }
+      
+      [global::System.CLSCompliant(false)]
+      public pbc::IPopsicleList<uint> RepeatedFixed32List {
+        get { return result.repeatedFixed32_; }
+      }
+      public int RepeatedFixed32Count {
+        get { return result.RepeatedFixed32Count; }
+      }
+      [global::System.CLSCompliant(false)]
+      public uint GetRepeatedFixed32(int index) {
+        return result.GetRepeatedFixed32(index);
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder SetRepeatedFixed32(int index, uint value) {
+        result.repeatedFixed32_[index] = value;
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddRepeatedFixed32(uint value) {
+        result.repeatedFixed32_.Add(value);
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddRangeRepeatedFixed32(scg::IEnumerable<uint> values) {
+        base.AddRange(values, result.repeatedFixed32_);
+        return this;
+      }
+      public Builder ClearRepeatedFixed32() {
+        result.repeatedFixed32_.Clear();
+        return this;
+      }
+      
+      [global::System.CLSCompliant(false)]
+      public pbc::IPopsicleList<ulong> RepeatedFixed64List {
+        get { return result.repeatedFixed64_; }
+      }
+      public int RepeatedFixed64Count {
+        get { return result.RepeatedFixed64Count; }
+      }
+      [global::System.CLSCompliant(false)]
+      public ulong GetRepeatedFixed64(int index) {
+        return result.GetRepeatedFixed64(index);
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder SetRepeatedFixed64(int index, ulong value) {
+        result.repeatedFixed64_[index] = value;
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddRepeatedFixed64(ulong value) {
+        result.repeatedFixed64_.Add(value);
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddRangeRepeatedFixed64(scg::IEnumerable<ulong> values) {
+        base.AddRange(values, result.repeatedFixed64_);
+        return this;
+      }
+      public Builder ClearRepeatedFixed64() {
+        result.repeatedFixed64_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<int> RepeatedSfixed32List {
+        get { return result.repeatedSfixed32_; }
+      }
+      public int RepeatedSfixed32Count {
+        get { return result.RepeatedSfixed32Count; }
+      }
+      public int GetRepeatedSfixed32(int index) {
+        return result.GetRepeatedSfixed32(index);
+      }
+      public Builder SetRepeatedSfixed32(int index, int value) {
+        result.repeatedSfixed32_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedSfixed32(int value) {
+        result.repeatedSfixed32_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedSfixed32(scg::IEnumerable<int> values) {
+        base.AddRange(values, result.repeatedSfixed32_);
+        return this;
+      }
+      public Builder ClearRepeatedSfixed32() {
+        result.repeatedSfixed32_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<long> RepeatedSfixed64List {
+        get { return result.repeatedSfixed64_; }
+      }
+      public int RepeatedSfixed64Count {
+        get { return result.RepeatedSfixed64Count; }
+      }
+      public long GetRepeatedSfixed64(int index) {
+        return result.GetRepeatedSfixed64(index);
+      }
+      public Builder SetRepeatedSfixed64(int index, long value) {
+        result.repeatedSfixed64_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedSfixed64(long value) {
+        result.repeatedSfixed64_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedSfixed64(scg::IEnumerable<long> values) {
+        base.AddRange(values, result.repeatedSfixed64_);
+        return this;
+      }
+      public Builder ClearRepeatedSfixed64() {
+        result.repeatedSfixed64_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<float> RepeatedFloatList {
+        get { return result.repeatedFloat_; }
+      }
+      public int RepeatedFloatCount {
+        get { return result.RepeatedFloatCount; }
+      }
+      public float GetRepeatedFloat(int index) {
+        return result.GetRepeatedFloat(index);
+      }
+      public Builder SetRepeatedFloat(int index, float value) {
+        result.repeatedFloat_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedFloat(float value) {
+        result.repeatedFloat_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedFloat(scg::IEnumerable<float> values) {
+        base.AddRange(values, result.repeatedFloat_);
+        return this;
+      }
+      public Builder ClearRepeatedFloat() {
+        result.repeatedFloat_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<double> RepeatedDoubleList {
+        get { return result.repeatedDouble_; }
+      }
+      public int RepeatedDoubleCount {
+        get { return result.RepeatedDoubleCount; }
+      }
+      public double GetRepeatedDouble(int index) {
+        return result.GetRepeatedDouble(index);
+      }
+      public Builder SetRepeatedDouble(int index, double value) {
+        result.repeatedDouble_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedDouble(double value) {
+        result.repeatedDouble_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedDouble(scg::IEnumerable<double> values) {
+        base.AddRange(values, result.repeatedDouble_);
+        return this;
+      }
+      public Builder ClearRepeatedDouble() {
+        result.repeatedDouble_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<bool> RepeatedBoolList {
+        get { return result.repeatedBool_; }
+      }
+      public int RepeatedBoolCount {
+        get { return result.RepeatedBoolCount; }
+      }
+      public bool GetRepeatedBool(int index) {
+        return result.GetRepeatedBool(index);
+      }
+      public Builder SetRepeatedBool(int index, bool value) {
+        result.repeatedBool_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedBool(bool value) {
+        result.repeatedBool_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedBool(scg::IEnumerable<bool> values) {
+        base.AddRange(values, result.repeatedBool_);
+        return this;
+      }
+      public Builder ClearRepeatedBool() {
+        result.repeatedBool_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<string> RepeatedStringList {
+        get { return result.repeatedString_; }
+      }
+      public int RepeatedStringCount {
+        get { return result.RepeatedStringCount; }
+      }
+      public string GetRepeatedString(int index) {
+        return result.GetRepeatedString(index);
+      }
+      public Builder SetRepeatedString(int index, string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedString_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedString(string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedString_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedString(scg::IEnumerable<string> values) {
+        base.AddRange(values, result.repeatedString_);
+        return this;
+      }
+      public Builder ClearRepeatedString() {
+        result.repeatedString_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<pb::ByteString> RepeatedBytesList {
+        get { return result.repeatedBytes_; }
+      }
+      public int RepeatedBytesCount {
+        get { return result.RepeatedBytesCount; }
+      }
+      public pb::ByteString GetRepeatedBytes(int index) {
+        return result.GetRepeatedBytes(index);
+      }
+      public Builder SetRepeatedBytes(int index, pb::ByteString value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedBytes_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedBytes(pb::ByteString value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedBytes_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedBytes(scg::IEnumerable<pb::ByteString> values) {
+        base.AddRange(values, result.repeatedBytes_);
+        return this;
+      }
+      public Builder ClearRepeatedBytes() {
+        result.repeatedBytes_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup> RepeatedGroupList {
+        get { return result.repeatedGroup_; }
+      }
+      public int RepeatedGroupCount {
+        get { return result.RepeatedGroupCount; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup GetRepeatedGroup(int index) {
+        return result.GetRepeatedGroup(index);
+      }
+      public Builder SetRepeatedGroup(int index, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedGroup_[index] = value;
+        return this;
+      }
+      public Builder SetRepeatedGroup(int index, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.repeatedGroup_[index] = builderForValue.Build();
+        return this;
+      }
+      public Builder AddRepeatedGroup(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedGroup_.Add(value);
+        return this;
+      }
+      public Builder AddRepeatedGroup(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.repeatedGroup_.Add(builderForValue.Build());
+        return this;
+      }
+      public Builder AddRangeRepeatedGroup(scg::IEnumerable<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup> values) {
+        base.AddRange(values, result.repeatedGroup_);
+        return this;
+      }
+      public Builder ClearRepeatedGroup() {
+        result.repeatedGroup_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage> RepeatedNestedMessageList {
+        get { return result.repeatedNestedMessage_; }
+      }
+      public int RepeatedNestedMessageCount {
+        get { return result.RepeatedNestedMessageCount; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage GetRepeatedNestedMessage(int index) {
+        return result.GetRepeatedNestedMessage(index);
+      }
+      public Builder SetRepeatedNestedMessage(int index, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedNestedMessage_[index] = value;
+        return this;
+      }
+      public Builder SetRepeatedNestedMessage(int index, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.repeatedNestedMessage_[index] = builderForValue.Build();
+        return this;
+      }
+      public Builder AddRepeatedNestedMessage(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedNestedMessage_.Add(value);
+        return this;
+      }
+      public Builder AddRepeatedNestedMessage(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.repeatedNestedMessage_.Add(builderForValue.Build());
+        return this;
+      }
+      public Builder AddRangeRepeatedNestedMessage(scg::IEnumerable<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage> values) {
+        base.AddRange(values, result.repeatedNestedMessage_);
+        return this;
+      }
+      public Builder ClearRepeatedNestedMessage() {
+        result.repeatedNestedMessage_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> RepeatedForeignMessageList {
+        get { return result.repeatedForeignMessage_; }
+      }
+      public int RepeatedForeignMessageCount {
+        get { return result.RepeatedForeignMessageCount; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ForeignMessage GetRepeatedForeignMessage(int index) {
+        return result.GetRepeatedForeignMessage(index);
+      }
+      public Builder SetRepeatedForeignMessage(int index, global::Google.ProtocolBuffers.TestProtos.ForeignMessage value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedForeignMessage_[index] = value;
+        return this;
+      }
+      public Builder SetRepeatedForeignMessage(int index, global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.repeatedForeignMessage_[index] = builderForValue.Build();
+        return this;
+      }
+      public Builder AddRepeatedForeignMessage(global::Google.ProtocolBuffers.TestProtos.ForeignMessage value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedForeignMessage_.Add(value);
+        return this;
+      }
+      public Builder AddRepeatedForeignMessage(global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.repeatedForeignMessage_.Add(builderForValue.Build());
+        return this;
+      }
+      public Builder AddRangeRepeatedForeignMessage(scg::IEnumerable<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> values) {
+        base.AddRange(values, result.repeatedForeignMessage_);
+        return this;
+      }
+      public Builder ClearRepeatedForeignMessage() {
+        result.repeatedForeignMessage_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<global::Google.ProtocolBuffers.TestProtos.ImportMessage> RepeatedImportMessageList {
+        get { return result.repeatedImportMessage_; }
+      }
+      public int RepeatedImportMessageCount {
+        get { return result.RepeatedImportMessageCount; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ImportMessage GetRepeatedImportMessage(int index) {
+        return result.GetRepeatedImportMessage(index);
+      }
+      public Builder SetRepeatedImportMessage(int index, global::Google.ProtocolBuffers.TestProtos.ImportMessage value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedImportMessage_[index] = value;
+        return this;
+      }
+      public Builder SetRepeatedImportMessage(int index, global::Google.ProtocolBuffers.TestProtos.ImportMessage.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.repeatedImportMessage_[index] = builderForValue.Build();
+        return this;
+      }
+      public Builder AddRepeatedImportMessage(global::Google.ProtocolBuffers.TestProtos.ImportMessage value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedImportMessage_.Add(value);
+        return this;
+      }
+      public Builder AddRepeatedImportMessage(global::Google.ProtocolBuffers.TestProtos.ImportMessage.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.repeatedImportMessage_.Add(builderForValue.Build());
+        return this;
+      }
+      public Builder AddRangeRepeatedImportMessage(scg::IEnumerable<global::Google.ProtocolBuffers.TestProtos.ImportMessage> values) {
+        base.AddRange(values, result.repeatedImportMessage_);
+        return this;
+      }
+      public Builder ClearRepeatedImportMessage() {
+        result.repeatedImportMessage_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum> RepeatedNestedEnumList {
+        get { return result.repeatedNestedEnum_; }
+      }
+      public int RepeatedNestedEnumCount {
+        get { return result.RepeatedNestedEnumCount; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum GetRepeatedNestedEnum(int index) {
+        return result.GetRepeatedNestedEnum(index);
+      }
+      public Builder SetRepeatedNestedEnum(int index, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum value) {
+        result.repeatedNestedEnum_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedNestedEnum(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum value) {
+        result.repeatedNestedEnum_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedNestedEnum(scg::IEnumerable<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum> values) {
+        base.AddRange(values, result.repeatedNestedEnum_);
+        return this;
+      }
+      public Builder ClearRepeatedNestedEnum() {
+        result.repeatedNestedEnum_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> RepeatedForeignEnumList {
+        get { return result.repeatedForeignEnum_; }
+      }
+      public int RepeatedForeignEnumCount {
+        get { return result.RepeatedForeignEnumCount; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ForeignEnum GetRepeatedForeignEnum(int index) {
+        return result.GetRepeatedForeignEnum(index);
+      }
+      public Builder SetRepeatedForeignEnum(int index, global::Google.ProtocolBuffers.TestProtos.ForeignEnum value) {
+        result.repeatedForeignEnum_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedForeignEnum(global::Google.ProtocolBuffers.TestProtos.ForeignEnum value) {
+        result.repeatedForeignEnum_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedForeignEnum(scg::IEnumerable<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> values) {
+        base.AddRange(values, result.repeatedForeignEnum_);
+        return this;
+      }
+      public Builder ClearRepeatedForeignEnum() {
+        result.repeatedForeignEnum_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<global::Google.ProtocolBuffers.TestProtos.ImportEnum> RepeatedImportEnumList {
+        get { return result.repeatedImportEnum_; }
+      }
+      public int RepeatedImportEnumCount {
+        get { return result.RepeatedImportEnumCount; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ImportEnum GetRepeatedImportEnum(int index) {
+        return result.GetRepeatedImportEnum(index);
+      }
+      public Builder SetRepeatedImportEnum(int index, global::Google.ProtocolBuffers.TestProtos.ImportEnum value) {
+        result.repeatedImportEnum_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedImportEnum(global::Google.ProtocolBuffers.TestProtos.ImportEnum value) {
+        result.repeatedImportEnum_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedImportEnum(scg::IEnumerable<global::Google.ProtocolBuffers.TestProtos.ImportEnum> values) {
+        base.AddRange(values, result.repeatedImportEnum_);
+        return this;
+      }
+      public Builder ClearRepeatedImportEnum() {
+        result.repeatedImportEnum_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<string> RepeatedStringPieceList {
+        get { return result.repeatedStringPiece_; }
+      }
+      public int RepeatedStringPieceCount {
+        get { return result.RepeatedStringPieceCount; }
+      }
+      public string GetRepeatedStringPiece(int index) {
+        return result.GetRepeatedStringPiece(index);
+      }
+      public Builder SetRepeatedStringPiece(int index, string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedStringPiece_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedStringPiece(string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedStringPiece_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedStringPiece(scg::IEnumerable<string> values) {
+        base.AddRange(values, result.repeatedStringPiece_);
+        return this;
+      }
+      public Builder ClearRepeatedStringPiece() {
+        result.repeatedStringPiece_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<string> RepeatedCordList {
+        get { return result.repeatedCord_; }
+      }
+      public int RepeatedCordCount {
+        get { return result.RepeatedCordCount; }
+      }
+      public string GetRepeatedCord(int index) {
+        return result.GetRepeatedCord(index);
+      }
+      public Builder SetRepeatedCord(int index, string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedCord_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedCord(string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedCord_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedCord(scg::IEnumerable<string> values) {
+        base.AddRange(values, result.repeatedCord_);
+        return this;
+      }
+      public Builder ClearRepeatedCord() {
+        result.repeatedCord_.Clear();
+        return this;
+      }
+      
+      public bool HasDefaultInt32 {
+        get { return result.HasDefaultInt32; }
+      }
+      public int DefaultInt32 {
+        get { return result.DefaultInt32; }
+        set { SetDefaultInt32(value); }
+      }
+      public Builder SetDefaultInt32(int value) {
+        result.hasDefaultInt32 = true;
+        result.defaultInt32_ = value;
+        return this;
+      }
+      public Builder ClearDefaultInt32() {
+        result.hasDefaultInt32 = false;
+        result.defaultInt32_ = 41;
+        return this;
+      }
+      
+      public bool HasDefaultInt64 {
+        get { return result.HasDefaultInt64; }
+      }
+      public long DefaultInt64 {
+        get { return result.DefaultInt64; }
+        set { SetDefaultInt64(value); }
+      }
+      public Builder SetDefaultInt64(long value) {
+        result.hasDefaultInt64 = true;
+        result.defaultInt64_ = value;
+        return this;
+      }
+      public Builder ClearDefaultInt64() {
+        result.hasDefaultInt64 = false;
+        result.defaultInt64_ = 42L;
+        return this;
+      }
+      
+      public bool HasDefaultUint32 {
+        get { return result.HasDefaultUint32; }
+      }
+      [global::System.CLSCompliant(false)]
+      public uint DefaultUint32 {
+        get { return result.DefaultUint32; }
+        set { SetDefaultUint32(value); }
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder SetDefaultUint32(uint value) {
+        result.hasDefaultUint32 = true;
+        result.defaultUint32_ = value;
+        return this;
+      }
+      public Builder ClearDefaultUint32() {
+        result.hasDefaultUint32 = false;
+        result.defaultUint32_ = 43;
+        return this;
+      }
+      
+      public bool HasDefaultUint64 {
+        get { return result.HasDefaultUint64; }
+      }
+      [global::System.CLSCompliant(false)]
+      public ulong DefaultUint64 {
+        get { return result.DefaultUint64; }
+        set { SetDefaultUint64(value); }
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder SetDefaultUint64(ulong value) {
+        result.hasDefaultUint64 = true;
+        result.defaultUint64_ = value;
+        return this;
+      }
+      public Builder ClearDefaultUint64() {
+        result.hasDefaultUint64 = false;
+        result.defaultUint64_ = 44UL;
+        return this;
+      }
+      
+      public bool HasDefaultSint32 {
+        get { return result.HasDefaultSint32; }
+      }
+      public int DefaultSint32 {
+        get { return result.DefaultSint32; }
+        set { SetDefaultSint32(value); }
+      }
+      public Builder SetDefaultSint32(int value) {
+        result.hasDefaultSint32 = true;
+        result.defaultSint32_ = value;
+        return this;
+      }
+      public Builder ClearDefaultSint32() {
+        result.hasDefaultSint32 = false;
+        result.defaultSint32_ = -45;
+        return this;
+      }
+      
+      public bool HasDefaultSint64 {
+        get { return result.HasDefaultSint64; }
+      }
+      public long DefaultSint64 {
+        get { return result.DefaultSint64; }
+        set { SetDefaultSint64(value); }
+      }
+      public Builder SetDefaultSint64(long value) {
+        result.hasDefaultSint64 = true;
+        result.defaultSint64_ = value;
+        return this;
+      }
+      public Builder ClearDefaultSint64() {
+        result.hasDefaultSint64 = false;
+        result.defaultSint64_ = 46;
+        return this;
+      }
+      
+      public bool HasDefaultFixed32 {
+        get { return result.HasDefaultFixed32; }
+      }
+      [global::System.CLSCompliant(false)]
+      public uint DefaultFixed32 {
+        get { return result.DefaultFixed32; }
+        set { SetDefaultFixed32(value); }
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder SetDefaultFixed32(uint value) {
+        result.hasDefaultFixed32 = true;
+        result.defaultFixed32_ = value;
+        return this;
+      }
+      public Builder ClearDefaultFixed32() {
+        result.hasDefaultFixed32 = false;
+        result.defaultFixed32_ = 47;
+        return this;
+      }
+      
+      public bool HasDefaultFixed64 {
+        get { return result.HasDefaultFixed64; }
+      }
+      [global::System.CLSCompliant(false)]
+      public ulong DefaultFixed64 {
+        get { return result.DefaultFixed64; }
+        set { SetDefaultFixed64(value); }
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder SetDefaultFixed64(ulong value) {
+        result.hasDefaultFixed64 = true;
+        result.defaultFixed64_ = value;
+        return this;
+      }
+      public Builder ClearDefaultFixed64() {
+        result.hasDefaultFixed64 = false;
+        result.defaultFixed64_ = 48;
+        return this;
+      }
+      
+      public bool HasDefaultSfixed32 {
+        get { return result.HasDefaultSfixed32; }
+      }
+      public int DefaultSfixed32 {
+        get { return result.DefaultSfixed32; }
+        set { SetDefaultSfixed32(value); }
+      }
+      public Builder SetDefaultSfixed32(int value) {
+        result.hasDefaultSfixed32 = true;
+        result.defaultSfixed32_ = value;
+        return this;
+      }
+      public Builder ClearDefaultSfixed32() {
+        result.hasDefaultSfixed32 = false;
+        result.defaultSfixed32_ = 49;
+        return this;
+      }
+      
+      public bool HasDefaultSfixed64 {
+        get { return result.HasDefaultSfixed64; }
+      }
+      public long DefaultSfixed64 {
+        get { return result.DefaultSfixed64; }
+        set { SetDefaultSfixed64(value); }
+      }
+      public Builder SetDefaultSfixed64(long value) {
+        result.hasDefaultSfixed64 = true;
+        result.defaultSfixed64_ = value;
+        return this;
+      }
+      public Builder ClearDefaultSfixed64() {
+        result.hasDefaultSfixed64 = false;
+        result.defaultSfixed64_ = -50;
+        return this;
+      }
+      
+      public bool HasDefaultFloat {
+        get { return result.HasDefaultFloat; }
+      }
+      public float DefaultFloat {
+        get { return result.DefaultFloat; }
+        set { SetDefaultFloat(value); }
+      }
+      public Builder SetDefaultFloat(float value) {
+        result.hasDefaultFloat = true;
+        result.defaultFloat_ = value;
+        return this;
+      }
+      public Builder ClearDefaultFloat() {
+        result.hasDefaultFloat = false;
+        result.defaultFloat_ = 51.5F;
+        return this;
+      }
+      
+      public bool HasDefaultDouble {
+        get { return result.HasDefaultDouble; }
+      }
+      public double DefaultDouble {
+        get { return result.DefaultDouble; }
+        set { SetDefaultDouble(value); }
+      }
+      public Builder SetDefaultDouble(double value) {
+        result.hasDefaultDouble = true;
+        result.defaultDouble_ = value;
+        return this;
+      }
+      public Builder ClearDefaultDouble() {
+        result.hasDefaultDouble = false;
+        result.defaultDouble_ = 52000D;
+        return this;
+      }
+      
+      public bool HasDefaultBool {
+        get { return result.HasDefaultBool; }
+      }
+      public bool DefaultBool {
+        get { return result.DefaultBool; }
+        set { SetDefaultBool(value); }
+      }
+      public Builder SetDefaultBool(bool value) {
+        result.hasDefaultBool = true;
+        result.defaultBool_ = value;
+        return this;
+      }
+      public Builder ClearDefaultBool() {
+        result.hasDefaultBool = false;
+        result.defaultBool_ = true;
+        return this;
+      }
+      
+      public bool HasDefaultString {
+        get { return result.HasDefaultString; }
+      }
+      public string DefaultString {
+        get { return result.DefaultString; }
+        set { SetDefaultString(value); }
+      }
+      public Builder SetDefaultString(string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasDefaultString = true;
+        result.defaultString_ = value;
+        return this;
+      }
+      public Builder ClearDefaultString() {
+        result.hasDefaultString = false;
+        result.defaultString_ = "hello";
+        return this;
+      }
+      
+      public bool HasDefaultBytes {
+        get { return result.HasDefaultBytes; }
+      }
+      public pb::ByteString DefaultBytes {
+        get { return result.DefaultBytes; }
+        set { SetDefaultBytes(value); }
+      }
+      public Builder SetDefaultBytes(pb::ByteString value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasDefaultBytes = true;
+        result.defaultBytes_ = value;
+        return this;
+      }
+      public Builder ClearDefaultBytes() {
+        result.hasDefaultBytes = false;
+        result.defaultBytes_ = (pb::ByteString) global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Descriptor.Fields[62].DefaultValue;
+        return this;
+      }
+      
+      public bool HasDefaultNestedEnum {
+       get { return result.HasDefaultNestedEnum; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum DefaultNestedEnum {
+        get { return result.DefaultNestedEnum; }
+        set { SetDefaultNestedEnum(value); }
+      }
+      public Builder SetDefaultNestedEnum(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum value) {
+        result.hasDefaultNestedEnum = true;
+        result.defaultNestedEnum_ = value;
+        return this;
+      }
+      public Builder ClearDefaultNestedEnum() {
+        result.hasDefaultNestedEnum = false;
+        result.defaultNestedEnum_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum.BAR;
+        return this;
+      }
+      
+      public bool HasDefaultForeignEnum {
+       get { return result.HasDefaultForeignEnum; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ForeignEnum DefaultForeignEnum {
+        get { return result.DefaultForeignEnum; }
+        set { SetDefaultForeignEnum(value); }
+      }
+      public Builder SetDefaultForeignEnum(global::Google.ProtocolBuffers.TestProtos.ForeignEnum value) {
+        result.hasDefaultForeignEnum = true;
+        result.defaultForeignEnum_ = value;
+        return this;
+      }
+      public Builder ClearDefaultForeignEnum() {
+        result.hasDefaultForeignEnum = false;
+        result.defaultForeignEnum_ = global::Google.ProtocolBuffers.TestProtos.ForeignEnum.FOREIGN_BAR;
+        return this;
+      }
+      
+      public bool HasDefaultImportEnum {
+       get { return result.HasDefaultImportEnum; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ImportEnum DefaultImportEnum {
+        get { return result.DefaultImportEnum; }
+        set { SetDefaultImportEnum(value); }
+      }
+      public Builder SetDefaultImportEnum(global::Google.ProtocolBuffers.TestProtos.ImportEnum value) {
+        result.hasDefaultImportEnum = true;
+        result.defaultImportEnum_ = value;
+        return this;
+      }
+      public Builder ClearDefaultImportEnum() {
+        result.hasDefaultImportEnum = false;
+        result.defaultImportEnum_ = global::Google.ProtocolBuffers.TestProtos.ImportEnum.IMPORT_BAR;
+        return this;
+      }
+      
+      public bool HasDefaultStringPiece {
+        get { return result.HasDefaultStringPiece; }
+      }
+      public string DefaultStringPiece {
+        get { return result.DefaultStringPiece; }
+        set { SetDefaultStringPiece(value); }
+      }
+      public Builder SetDefaultStringPiece(string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasDefaultStringPiece = true;
+        result.defaultStringPiece_ = value;
+        return this;
+      }
+      public Builder ClearDefaultStringPiece() {
+        result.hasDefaultStringPiece = false;
+        result.defaultStringPiece_ = "abc";
+        return this;
+      }
+      
+      public bool HasDefaultCord {
+        get { return result.HasDefaultCord; }
+      }
+      public string DefaultCord {
+        get { return result.DefaultCord; }
+        set { SetDefaultCord(value); }
+      }
+      public Builder SetDefaultCord(string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasDefaultCord = true;
+        result.defaultCord_ = value;
+        return this;
+      }
+      public Builder ClearDefaultCord() {
+        result.hasDefaultCord = false;
+        result.defaultCord_ = "123";
+        return this;
+      }
+    }
+    static TestAllTypes() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class TestDeprecatedFields : pb::GeneratedMessage<TestDeprecatedFields, TestDeprecatedFields.Builder> {
+    private static readonly TestDeprecatedFields defaultInstance = new Builder().BuildPartial();
+    public static TestDeprecatedFields DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestDeprecatedFields DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestDeprecatedFields ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestDeprecatedFields__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestDeprecatedFields, TestDeprecatedFields.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestDeprecatedFields__FieldAccessorTable; }
+    }
+    
+    public const int DeprecatedInt32FieldNumber = 1;
+    private bool hasDeprecatedInt32;
+    private int deprecatedInt32_ = 0;
+    public bool HasDeprecatedInt32 {
+      get { return hasDeprecatedInt32; }
+    }
+    public int DeprecatedInt32 {
+      get { return deprecatedInt32_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      if (HasDeprecatedInt32) {
+        output.WriteInt32(1, DeprecatedInt32);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasDeprecatedInt32) {
+          size += pb::CodedOutputStream.ComputeInt32Size(1, DeprecatedInt32);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestDeprecatedFields ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestDeprecatedFields ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestDeprecatedFields ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestDeprecatedFields ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestDeprecatedFields ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestDeprecatedFields ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestDeprecatedFields ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static TestDeprecatedFields ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static TestDeprecatedFields ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestDeprecatedFields ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestDeprecatedFields prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestDeprecatedFields, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestDeprecatedFields result = new TestDeprecatedFields();
+      
+      protected override TestDeprecatedFields MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestDeprecatedFields();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestDeprecatedFields.Descriptor; }
+      }
+      
+      public override TestDeprecatedFields DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestDeprecatedFields.DefaultInstance; }
+      }
+      
+      public override TestDeprecatedFields BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        TestDeprecatedFields returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestDeprecatedFields) {
+          return MergeFrom((TestDeprecatedFields) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestDeprecatedFields other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.TestDeprecatedFields.DefaultInstance) return this;
+        if (other.HasDeprecatedInt32) {
+          DeprecatedInt32 = other.DeprecatedInt32;
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+            case 8: {
+              DeprecatedInt32 = input.ReadInt32();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasDeprecatedInt32 {
+        get { return result.HasDeprecatedInt32; }
+      }
+      public int DeprecatedInt32 {
+        get { return result.DeprecatedInt32; }
+        set { SetDeprecatedInt32(value); }
+      }
+      public Builder SetDeprecatedInt32(int value) {
+        result.hasDeprecatedInt32 = true;
+        result.deprecatedInt32_ = value;
+        return this;
+      }
+      public Builder ClearDeprecatedInt32() {
+        result.hasDeprecatedInt32 = false;
+        result.deprecatedInt32_ = 0;
+        return this;
+      }
+    }
+    static TestDeprecatedFields() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class ForeignMessage : pb::GeneratedMessage<ForeignMessage, ForeignMessage.Builder> {
+    private static readonly ForeignMessage defaultInstance = new Builder().BuildPartial();
+    public static ForeignMessage DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override ForeignMessage DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override ForeignMessage ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_ForeignMessage__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<ForeignMessage, ForeignMessage.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_ForeignMessage__FieldAccessorTable; }
+    }
+    
+    public const int CFieldNumber = 1;
+    private bool hasC;
+    private int c_ = 0;
+    public bool HasC {
+      get { return hasC; }
+    }
+    public int C {
+      get { return c_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      if (HasC) {
+        output.WriteInt32(1, C);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasC) {
+          size += pb::CodedOutputStream.ComputeInt32Size(1, C);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static ForeignMessage ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static ForeignMessage ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static ForeignMessage ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static ForeignMessage ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static ForeignMessage ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static ForeignMessage ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static ForeignMessage ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static ForeignMessage ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static ForeignMessage ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static ForeignMessage ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(ForeignMessage prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<ForeignMessage, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      ForeignMessage result = new ForeignMessage();
+      
+      protected override ForeignMessage MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new ForeignMessage();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Descriptor; }
+      }
+      
+      public override ForeignMessage DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.ForeignMessage.DefaultInstance; }
+      }
+      
+      public override ForeignMessage BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        ForeignMessage returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is ForeignMessage) {
+          return MergeFrom((ForeignMessage) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(ForeignMessage other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.ForeignMessage.DefaultInstance) return this;
+        if (other.HasC) {
+          C = other.C;
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+            case 8: {
+              C = input.ReadInt32();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasC {
+        get { return result.HasC; }
+      }
+      public int C {
+        get { return result.C; }
+        set { SetC(value); }
+      }
+      public Builder SetC(int value) {
+        result.hasC = true;
+        result.c_ = value;
+        return this;
+      }
+      public Builder ClearC() {
+        result.hasC = false;
+        result.c_ = 0;
+        return this;
+      }
+    }
+    static ForeignMessage() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class TestAllExtensions : pb::ExtendableMessage<TestAllExtensions, TestAllExtensions.Builder> {
+    private static readonly TestAllExtensions defaultInstance = new Builder().BuildPartial();
+    public static TestAllExtensions DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestAllExtensions DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestAllExtensions ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestAllExtensions__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestAllExtensions, TestAllExtensions.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestAllExtensions__FieldAccessorTable; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        if (!ExtensionsAreInitialized) return false;
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      pb::ExtendableMessage<TestAllExtensions, TestAllExtensions.Builder>.ExtensionWriter extensionWriter = CreateExtensionWriter(this);
+      extensionWriter.WriteUntil(536870912, output);
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        size += ExtensionsSerializedSize;
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestAllExtensions ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestAllExtensions ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestAllExtensions ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestAllExtensions ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestAllExtensions ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestAllExtensions ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestAllExtensions ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static TestAllExtensions ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static TestAllExtensions ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestAllExtensions ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestAllExtensions prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::ExtendableBuilder<TestAllExtensions, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestAllExtensions result = new TestAllExtensions();
+      
+      protected override TestAllExtensions MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestAllExtensions();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestAllExtensions.Descriptor; }
+      }
+      
+      public override TestAllExtensions DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestAllExtensions.DefaultInstance; }
+      }
+      
+      public override TestAllExtensions BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        TestAllExtensions returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestAllExtensions) {
+          return MergeFrom((TestAllExtensions) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestAllExtensions other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.TestAllExtensions.DefaultInstance) return this;
+          this.MergeExtensionFields(other);
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+          }
+        }
+      }
+      
+    }
+    static TestAllExtensions() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class OptionalGroup_extension : pb::GeneratedMessage<OptionalGroup_extension, OptionalGroup_extension.Builder> {
+    private static readonly OptionalGroup_extension defaultInstance = new Builder().BuildPartial();
+    public static OptionalGroup_extension DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override OptionalGroup_extension DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override OptionalGroup_extension ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_OptionalGroup_extension__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<OptionalGroup_extension, OptionalGroup_extension.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_OptionalGroup_extension__FieldAccessorTable; }
+    }
+    
+    public const int AFieldNumber = 17;
+    private bool hasA;
+    private int a_ = 0;
+    public bool HasA {
+      get { return hasA; }
+    }
+    public int A {
+      get { return a_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      if (HasA) {
+        output.WriteInt32(17, A);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasA) {
+          size += pb::CodedOutputStream.ComputeInt32Size(17, A);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static OptionalGroup_extension ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static OptionalGroup_extension ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static OptionalGroup_extension ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static OptionalGroup_extension ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static OptionalGroup_extension ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static OptionalGroup_extension ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static OptionalGroup_extension ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static OptionalGroup_extension ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static OptionalGroup_extension ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static OptionalGroup_extension ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(OptionalGroup_extension prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<OptionalGroup_extension, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      OptionalGroup_extension result = new OptionalGroup_extension();
+      
+      protected override OptionalGroup_extension MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new OptionalGroup_extension();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.OptionalGroup_extension.Descriptor; }
+      }
+      
+      public override OptionalGroup_extension DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.OptionalGroup_extension.DefaultInstance; }
+      }
+      
+      public override OptionalGroup_extension BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        OptionalGroup_extension returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is OptionalGroup_extension) {
+          return MergeFrom((OptionalGroup_extension) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(OptionalGroup_extension other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.OptionalGroup_extension.DefaultInstance) return this;
+        if (other.HasA) {
+          A = other.A;
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+            case 136: {
+              A = input.ReadInt32();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasA {
+        get { return result.HasA; }
+      }
+      public int A {
+        get { return result.A; }
+        set { SetA(value); }
+      }
+      public Builder SetA(int value) {
+        result.hasA = true;
+        result.a_ = value;
+        return this;
+      }
+      public Builder ClearA() {
+        result.hasA = false;
+        result.a_ = 0;
+        return this;
+      }
+    }
+    static OptionalGroup_extension() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class RepeatedGroup_extension : pb::GeneratedMessage<RepeatedGroup_extension, RepeatedGroup_extension.Builder> {
+    private static readonly RepeatedGroup_extension defaultInstance = new Builder().BuildPartial();
+    public static RepeatedGroup_extension DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override RepeatedGroup_extension DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override RepeatedGroup_extension ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_RepeatedGroup_extension__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<RepeatedGroup_extension, RepeatedGroup_extension.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_RepeatedGroup_extension__FieldAccessorTable; }
+    }
+    
+    public const int AFieldNumber = 47;
+    private bool hasA;
+    private int a_ = 0;
+    public bool HasA {
+      get { return hasA; }
+    }
+    public int A {
+      get { return a_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      if (HasA) {
+        output.WriteInt32(47, A);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasA) {
+          size += pb::CodedOutputStream.ComputeInt32Size(47, A);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static RepeatedGroup_extension ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static RepeatedGroup_extension ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static RepeatedGroup_extension ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static RepeatedGroup_extension ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static RepeatedGroup_extension ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static RepeatedGroup_extension ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static RepeatedGroup_extension ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static RepeatedGroup_extension ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static RepeatedGroup_extension ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static RepeatedGroup_extension ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(RepeatedGroup_extension prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<RepeatedGroup_extension, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      RepeatedGroup_extension result = new RepeatedGroup_extension();
+      
+      protected override RepeatedGroup_extension MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new RepeatedGroup_extension();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.RepeatedGroup_extension.Descriptor; }
+      }
+      
+      public override RepeatedGroup_extension DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.RepeatedGroup_extension.DefaultInstance; }
+      }
+      
+      public override RepeatedGroup_extension BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        RepeatedGroup_extension returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is RepeatedGroup_extension) {
+          return MergeFrom((RepeatedGroup_extension) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(RepeatedGroup_extension other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.RepeatedGroup_extension.DefaultInstance) return this;
+        if (other.HasA) {
+          A = other.A;
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+            case 376: {
+              A = input.ReadInt32();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasA {
+        get { return result.HasA; }
+      }
+      public int A {
+        get { return result.A; }
+        set { SetA(value); }
+      }
+      public Builder SetA(int value) {
+        result.hasA = true;
+        result.a_ = value;
+        return this;
+      }
+      public Builder ClearA() {
+        result.hasA = false;
+        result.a_ = 0;
+        return this;
+      }
+    }
+    static RepeatedGroup_extension() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class TestNestedExtension : pb::GeneratedMessage<TestNestedExtension, TestNestedExtension.Builder> {
+    private static readonly TestNestedExtension defaultInstance = new Builder().BuildPartial();
+    public static TestNestedExtension DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestNestedExtension DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestNestedExtension ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestNestedExtension__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestNestedExtension, TestNestedExtension.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestNestedExtension__FieldAccessorTable; }
+    }
+    
+    public const int TestFieldNumber = 1002;
+    public static pb::GeneratedExtensionBase<string> Test;
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestNestedExtension ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestNestedExtension ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestNestedExtension ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestNestedExtension ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestNestedExtension ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestNestedExtension ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestNestedExtension ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static TestNestedExtension ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static TestNestedExtension ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestNestedExtension ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestNestedExtension prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestNestedExtension, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestNestedExtension result = new TestNestedExtension();
+      
+      protected override TestNestedExtension MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestNestedExtension();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestNestedExtension.Descriptor; }
+      }
+      
+      public override TestNestedExtension DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestNestedExtension.DefaultInstance; }
+      }
+      
+      public override TestNestedExtension BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        TestNestedExtension returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestNestedExtension) {
+          return MergeFrom((TestNestedExtension) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestNestedExtension other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.TestNestedExtension.DefaultInstance) return this;
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+          }
+        }
+      }
+      
+    }
+    static TestNestedExtension() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class TestRequired : pb::GeneratedMessage<TestRequired, TestRequired.Builder> {
+    private static readonly TestRequired defaultInstance = new Builder().BuildPartial();
+    public static TestRequired DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestRequired DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestRequired ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestRequired__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestRequired, TestRequired.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestRequired__FieldAccessorTable; }
+    }
+    
+    public const int SingleFieldNumber = 1000;
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.TestRequired> Single;
+    public const int MultiFieldNumber = 1001;
+    public static pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.TestRequired>> Multi;
+    public const int AFieldNumber = 1;
+    private bool hasA;
+    private int a_ = 0;
+    public bool HasA {
+      get { return hasA; }
+    }
+    public int A {
+      get { return a_; }
+    }
+    
+    public const int Dummy2FieldNumber = 2;
+    private bool hasDummy2;
+    private int dummy2_ = 0;
+    public bool HasDummy2 {
+      get { return hasDummy2; }
+    }
+    public int Dummy2 {
+      get { return dummy2_; }
+    }
+    
+    public const int BFieldNumber = 3;
+    private bool hasB;
+    private int b_ = 0;
+    public bool HasB {
+      get { return hasB; }
+    }
+    public int B {
+      get { return b_; }
+    }
+    
+    public const int Dummy4FieldNumber = 4;
+    private bool hasDummy4;
+    private int dummy4_ = 0;
+    public bool HasDummy4 {
+      get { return hasDummy4; }
+    }
+    public int Dummy4 {
+      get { return dummy4_; }
+    }
+    
+    public const int Dummy5FieldNumber = 5;
+    private bool hasDummy5;
+    private int dummy5_ = 0;
+    public bool HasDummy5 {
+      get { return hasDummy5; }
+    }
+    public int Dummy5 {
+      get { return dummy5_; }
+    }
+    
+    public const int Dummy6FieldNumber = 6;
+    private bool hasDummy6;
+    private int dummy6_ = 0;
+    public bool HasDummy6 {
+      get { return hasDummy6; }
+    }
+    public int Dummy6 {
+      get { return dummy6_; }
+    }
+    
+    public const int Dummy7FieldNumber = 7;
+    private bool hasDummy7;
+    private int dummy7_ = 0;
+    public bool HasDummy7 {
+      get { return hasDummy7; }
+    }
+    public int Dummy7 {
+      get { return dummy7_; }
+    }
+    
+    public const int Dummy8FieldNumber = 8;
+    private bool hasDummy8;
+    private int dummy8_ = 0;
+    public bool HasDummy8 {
+      get { return hasDummy8; }
+    }
+    public int Dummy8 {
+      get { return dummy8_; }
+    }
+    
+    public const int Dummy9FieldNumber = 9;
+    private bool hasDummy9;
+    private int dummy9_ = 0;
+    public bool HasDummy9 {
+      get { return hasDummy9; }
+    }
+    public int Dummy9 {
+      get { return dummy9_; }
+    }
+    
+    public const int Dummy10FieldNumber = 10;
+    private bool hasDummy10;
+    private int dummy10_ = 0;
+    public bool HasDummy10 {
+      get { return hasDummy10; }
+    }
+    public int Dummy10 {
+      get { return dummy10_; }
+    }
+    
+    public const int Dummy11FieldNumber = 11;
+    private bool hasDummy11;
+    private int dummy11_ = 0;
+    public bool HasDummy11 {
+      get { return hasDummy11; }
+    }
+    public int Dummy11 {
+      get { return dummy11_; }
+    }
+    
+    public const int Dummy12FieldNumber = 12;
+    private bool hasDummy12;
+    private int dummy12_ = 0;
+    public bool HasDummy12 {
+      get { return hasDummy12; }
+    }
+    public int Dummy12 {
+      get { return dummy12_; }
+    }
+    
+    public const int Dummy13FieldNumber = 13;
+    private bool hasDummy13;
+    private int dummy13_ = 0;
+    public bool HasDummy13 {
+      get { return hasDummy13; }
+    }
+    public int Dummy13 {
+      get { return dummy13_; }
+    }
+    
+    public const int Dummy14FieldNumber = 14;
+    private bool hasDummy14;
+    private int dummy14_ = 0;
+    public bool HasDummy14 {
+      get { return hasDummy14; }
+    }
+    public int Dummy14 {
+      get { return dummy14_; }
+    }
+    
+    public const int Dummy15FieldNumber = 15;
+    private bool hasDummy15;
+    private int dummy15_ = 0;
+    public bool HasDummy15 {
+      get { return hasDummy15; }
+    }
+    public int Dummy15 {
+      get { return dummy15_; }
+    }
+    
+    public const int Dummy16FieldNumber = 16;
+    private bool hasDummy16;
+    private int dummy16_ = 0;
+    public bool HasDummy16 {
+      get { return hasDummy16; }
+    }
+    public int Dummy16 {
+      get { return dummy16_; }
+    }
+    
+    public const int Dummy17FieldNumber = 17;
+    private bool hasDummy17;
+    private int dummy17_ = 0;
+    public bool HasDummy17 {
+      get { return hasDummy17; }
+    }
+    public int Dummy17 {
+      get { return dummy17_; }
+    }
+    
+    public const int Dummy18FieldNumber = 18;
+    private bool hasDummy18;
+    private int dummy18_ = 0;
+    public bool HasDummy18 {
+      get { return hasDummy18; }
+    }
+    public int Dummy18 {
+      get { return dummy18_; }
+    }
+    
+    public const int Dummy19FieldNumber = 19;
+    private bool hasDummy19;
+    private int dummy19_ = 0;
+    public bool HasDummy19 {
+      get { return hasDummy19; }
+    }
+    public int Dummy19 {
+      get { return dummy19_; }
+    }
+    
+    public const int Dummy20FieldNumber = 20;
+    private bool hasDummy20;
+    private int dummy20_ = 0;
+    public bool HasDummy20 {
+      get { return hasDummy20; }
+    }
+    public int Dummy20 {
+      get { return dummy20_; }
+    }
+    
+    public const int Dummy21FieldNumber = 21;
+    private bool hasDummy21;
+    private int dummy21_ = 0;
+    public bool HasDummy21 {
+      get { return hasDummy21; }
+    }
+    public int Dummy21 {
+      get { return dummy21_; }
+    }
+    
+    public const int Dummy22FieldNumber = 22;
+    private bool hasDummy22;
+    private int dummy22_ = 0;
+    public bool HasDummy22 {
+      get { return hasDummy22; }
+    }
+    public int Dummy22 {
+      get { return dummy22_; }
+    }
+    
+    public const int Dummy23FieldNumber = 23;
+    private bool hasDummy23;
+    private int dummy23_ = 0;
+    public bool HasDummy23 {
+      get { return hasDummy23; }
+    }
+    public int Dummy23 {
+      get { return dummy23_; }
+    }
+    
+    public const int Dummy24FieldNumber = 24;
+    private bool hasDummy24;
+    private int dummy24_ = 0;
+    public bool HasDummy24 {
+      get { return hasDummy24; }
+    }
+    public int Dummy24 {
+      get { return dummy24_; }
+    }
+    
+    public const int Dummy25FieldNumber = 25;
+    private bool hasDummy25;
+    private int dummy25_ = 0;
+    public bool HasDummy25 {
+      get { return hasDummy25; }
+    }
+    public int Dummy25 {
+      get { return dummy25_; }
+    }
+    
+    public const int Dummy26FieldNumber = 26;
+    private bool hasDummy26;
+    private int dummy26_ = 0;
+    public bool HasDummy26 {
+      get { return hasDummy26; }
+    }
+    public int Dummy26 {
+      get { return dummy26_; }
+    }
+    
+    public const int Dummy27FieldNumber = 27;
+    private bool hasDummy27;
+    private int dummy27_ = 0;
+    public bool HasDummy27 {
+      get { return hasDummy27; }
+    }
+    public int Dummy27 {
+      get { return dummy27_; }
+    }
+    
+    public const int Dummy28FieldNumber = 28;
+    private bool hasDummy28;
+    private int dummy28_ = 0;
+    public bool HasDummy28 {
+      get { return hasDummy28; }
+    }
+    public int Dummy28 {
+      get { return dummy28_; }
+    }
+    
+    public const int Dummy29FieldNumber = 29;
+    private bool hasDummy29;
+    private int dummy29_ = 0;
+    public bool HasDummy29 {
+      get { return hasDummy29; }
+    }
+    public int Dummy29 {
+      get { return dummy29_; }
+    }
+    
+    public const int Dummy30FieldNumber = 30;
+    private bool hasDummy30;
+    private int dummy30_ = 0;
+    public bool HasDummy30 {
+      get { return hasDummy30; }
+    }
+    public int Dummy30 {
+      get { return dummy30_; }
+    }
+    
+    public const int Dummy31FieldNumber = 31;
+    private bool hasDummy31;
+    private int dummy31_ = 0;
+    public bool HasDummy31 {
+      get { return hasDummy31; }
+    }
+    public int Dummy31 {
+      get { return dummy31_; }
+    }
+    
+    public const int Dummy32FieldNumber = 32;
+    private bool hasDummy32;
+    private int dummy32_ = 0;
+    public bool HasDummy32 {
+      get { return hasDummy32; }
+    }
+    public int Dummy32 {
+      get { return dummy32_; }
+    }
+    
+    public const int CFieldNumber = 33;
+    private bool hasC;
+    private int c_ = 0;
+    public bool HasC {
+      get { return hasC; }
+    }
+    public int C {
+      get { return c_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        if (!hasA) return false;
+        if (!hasB) return false;
+        if (!hasC) return false;
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      if (HasA) {
+        output.WriteInt32(1, A);
+      }
+      if (HasDummy2) {
+        output.WriteInt32(2, Dummy2);
+      }
+      if (HasB) {
+        output.WriteInt32(3, B);
+      }
+      if (HasDummy4) {
+        output.WriteInt32(4, Dummy4);
+      }
+      if (HasDummy5) {
+        output.WriteInt32(5, Dummy5);
+      }
+      if (HasDummy6) {
+        output.WriteInt32(6, Dummy6);
+      }
+      if (HasDummy7) {
+        output.WriteInt32(7, Dummy7);
+      }
+      if (HasDummy8) {
+        output.WriteInt32(8, Dummy8);
+      }
+      if (HasDummy9) {
+        output.WriteInt32(9, Dummy9);
+      }
+      if (HasDummy10) {
+        output.WriteInt32(10, Dummy10);
+      }
+      if (HasDummy11) {
+        output.WriteInt32(11, Dummy11);
+      }
+      if (HasDummy12) {
+        output.WriteInt32(12, Dummy12);
+      }
+      if (HasDummy13) {
+        output.WriteInt32(13, Dummy13);
+      }
+      if (HasDummy14) {
+        output.WriteInt32(14, Dummy14);
+      }
+      if (HasDummy15) {
+        output.WriteInt32(15, Dummy15);
+      }
+      if (HasDummy16) {
+        output.WriteInt32(16, Dummy16);
+      }
+      if (HasDummy17) {
+        output.WriteInt32(17, Dummy17);
+      }
+      if (HasDummy18) {
+        output.WriteInt32(18, Dummy18);
+      }
+      if (HasDummy19) {
+        output.WriteInt32(19, Dummy19);
+      }
+      if (HasDummy20) {
+        output.WriteInt32(20, Dummy20);
+      }
+      if (HasDummy21) {
+        output.WriteInt32(21, Dummy21);
+      }
+      if (HasDummy22) {
+        output.WriteInt32(22, Dummy22);
+      }
+      if (HasDummy23) {
+        output.WriteInt32(23, Dummy23);
+      }
+      if (HasDummy24) {
+        output.WriteInt32(24, Dummy24);
+      }
+      if (HasDummy25) {
+        output.WriteInt32(25, Dummy25);
+      }
+      if (HasDummy26) {
+        output.WriteInt32(26, Dummy26);
+      }
+      if (HasDummy27) {
+        output.WriteInt32(27, Dummy27);
+      }
+      if (HasDummy28) {
+        output.WriteInt32(28, Dummy28);
+      }
+      if (HasDummy29) {
+        output.WriteInt32(29, Dummy29);
+      }
+      if (HasDummy30) {
+        output.WriteInt32(30, Dummy30);
+      }
+      if (HasDummy31) {
+        output.WriteInt32(31, Dummy31);
+      }
+      if (HasDummy32) {
+        output.WriteInt32(32, Dummy32);
+      }
+      if (HasC) {
+        output.WriteInt32(33, C);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasA) {
+          size += pb::CodedOutputStream.ComputeInt32Size(1, A);
+        }
+        if (HasDummy2) {
+          size += pb::CodedOutputStream.ComputeInt32Size(2, Dummy2);
+        }
+        if (HasB) {
+          size += pb::CodedOutputStream.ComputeInt32Size(3, B);
+        }
+        if (HasDummy4) {
+          size += pb::CodedOutputStream.ComputeInt32Size(4, Dummy4);
+        }
+        if (HasDummy5) {
+          size += pb::CodedOutputStream.ComputeInt32Size(5, Dummy5);
+        }
+        if (HasDummy6) {
+          size += pb::CodedOutputStream.ComputeInt32Size(6, Dummy6);
+        }
+        if (HasDummy7) {
+          size += pb::CodedOutputStream.ComputeInt32Size(7, Dummy7);
+        }
+        if (HasDummy8) {
+          size += pb::CodedOutputStream.ComputeInt32Size(8, Dummy8);
+        }
+        if (HasDummy9) {
+          size += pb::CodedOutputStream.ComputeInt32Size(9, Dummy9);
+        }
+        if (HasDummy10) {
+          size += pb::CodedOutputStream.ComputeInt32Size(10, Dummy10);
+        }
+        if (HasDummy11) {
+          size += pb::CodedOutputStream.ComputeInt32Size(11, Dummy11);
+        }
+        if (HasDummy12) {
+          size += pb::CodedOutputStream.ComputeInt32Size(12, Dummy12);
+        }
+        if (HasDummy13) {
+          size += pb::CodedOutputStream.ComputeInt32Size(13, Dummy13);
+        }
+        if (HasDummy14) {
+          size += pb::CodedOutputStream.ComputeInt32Size(14, Dummy14);
+        }
+        if (HasDummy15) {
+          size += pb::CodedOutputStream.ComputeInt32Size(15, Dummy15);
+        }
+        if (HasDummy16) {
+          size += pb::CodedOutputStream.ComputeInt32Size(16, Dummy16);
+        }
+        if (HasDummy17) {
+          size += pb::CodedOutputStream.ComputeInt32Size(17, Dummy17);
+        }
+        if (HasDummy18) {
+          size += pb::CodedOutputStream.ComputeInt32Size(18, Dummy18);
+        }
+        if (HasDummy19) {
+          size += pb::CodedOutputStream.ComputeInt32Size(19, Dummy19);
+        }
+        if (HasDummy20) {
+          size += pb::CodedOutputStream.ComputeInt32Size(20, Dummy20);
+        }
+        if (HasDummy21) {
+          size += pb::CodedOutputStream.ComputeInt32Size(21, Dummy21);
+        }
+        if (HasDummy22) {
+          size += pb::CodedOutputStream.ComputeInt32Size(22, Dummy22);
+        }
+        if (HasDummy23) {
+          size += pb::CodedOutputStream.ComputeInt32Size(23, Dummy23);
+        }
+        if (HasDummy24) {
+          size += pb::CodedOutputStream.ComputeInt32Size(24, Dummy24);
+        }
+        if (HasDummy25) {
+          size += pb::CodedOutputStream.ComputeInt32Size(25, Dummy25);
+        }
+        if (HasDummy26) {
+          size += pb::CodedOutputStream.ComputeInt32Size(26, Dummy26);
+        }
+        if (HasDummy27) {
+          size += pb::CodedOutputStream.ComputeInt32Size(27, Dummy27);
+        }
+        if (HasDummy28) {
+          size += pb::CodedOutputStream.ComputeInt32Size(28, Dummy28);
+        }
+        if (HasDummy29) {
+          size += pb::CodedOutputStream.ComputeInt32Size(29, Dummy29);
+        }
+        if (HasDummy30) {
+          size += pb::CodedOutputStream.ComputeInt32Size(30, Dummy30);
+        }
+        if (HasDummy31) {
+          size += pb::CodedOutputStream.ComputeInt32Size(31, Dummy31);
+        }
+        if (HasDummy32) {
+          size += pb::CodedOutputStream.ComputeInt32Size(32, Dummy32);
+        }
+        if (HasC) {
+          size += pb::CodedOutputStream.ComputeInt32Size(33, C);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestRequired ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestRequired ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestRequired ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestRequired ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestRequired ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestRequired ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestRequired ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static TestRequired ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static TestRequired ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestRequired ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestRequired prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestRequired, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestRequired result = new TestRequired();
+      
+      protected override TestRequired MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestRequired();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestRequired.Descriptor; }
+      }
+      
+      public override TestRequired DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestRequired.DefaultInstance; }
+      }
+      
+      public override TestRequired BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        TestRequired returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestRequired) {
+          return MergeFrom((TestRequired) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestRequired other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.TestRequired.DefaultInstance) return this;
+        if (other.HasA) {
+          A = other.A;
+        }
+        if (other.HasDummy2) {
+          Dummy2 = other.Dummy2;
+        }
+        if (other.HasB) {
+          B = other.B;
+        }
+        if (other.HasDummy4) {
+          Dummy4 = other.Dummy4;
+        }
+        if (other.HasDummy5) {
+          Dummy5 = other.Dummy5;
+        }
+        if (other.HasDummy6) {
+          Dummy6 = other.Dummy6;
+        }
+        if (other.HasDummy7) {
+          Dummy7 = other.Dummy7;
+        }
+        if (other.HasDummy8) {
+          Dummy8 = other.Dummy8;
+        }
+        if (other.HasDummy9) {
+          Dummy9 = other.Dummy9;
+        }
+        if (other.HasDummy10) {
+          Dummy10 = other.Dummy10;
+        }
+        if (other.HasDummy11) {
+          Dummy11 = other.Dummy11;
+        }
+        if (other.HasDummy12) {
+          Dummy12 = other.Dummy12;
+        }
+        if (other.HasDummy13) {
+          Dummy13 = other.Dummy13;
+        }
+        if (other.HasDummy14) {
+          Dummy14 = other.Dummy14;
+        }
+        if (other.HasDummy15) {
+          Dummy15 = other.Dummy15;
+        }
+        if (other.HasDummy16) {
+          Dummy16 = other.Dummy16;
+        }
+        if (other.HasDummy17) {
+          Dummy17 = other.Dummy17;
+        }
+        if (other.HasDummy18) {
+          Dummy18 = other.Dummy18;
+        }
+        if (other.HasDummy19) {
+          Dummy19 = other.Dummy19;
+        }
+        if (other.HasDummy20) {
+          Dummy20 = other.Dummy20;
+        }
+        if (other.HasDummy21) {
+          Dummy21 = other.Dummy21;
+        }
+        if (other.HasDummy22) {
+          Dummy22 = other.Dummy22;
+        }
+        if (other.HasDummy23) {
+          Dummy23 = other.Dummy23;
+        }
+        if (other.HasDummy24) {
+          Dummy24 = other.Dummy24;
+        }
+        if (other.HasDummy25) {
+          Dummy25 = other.Dummy25;
+        }
+        if (other.HasDummy26) {
+          Dummy26 = other.Dummy26;
+        }
+        if (other.HasDummy27) {
+          Dummy27 = other.Dummy27;
+        }
+        if (other.HasDummy28) {
+          Dummy28 = other.Dummy28;
+        }
+        if (other.HasDummy29) {
+          Dummy29 = other.Dummy29;
+        }
+        if (other.HasDummy30) {
+          Dummy30 = other.Dummy30;
+        }
+        if (other.HasDummy31) {
+          Dummy31 = other.Dummy31;
+        }
+        if (other.HasDummy32) {
+          Dummy32 = other.Dummy32;
+        }
+        if (other.HasC) {
+          C = other.C;
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+            case 8: {
+              A = input.ReadInt32();
+              break;
+            }
+            case 16: {
+              Dummy2 = input.ReadInt32();
+              break;
+            }
+            case 24: {
+              B = input.ReadInt32();
+              break;
+            }
+            case 32: {
+              Dummy4 = input.ReadInt32();
+              break;
+            }
+            case 40: {
+              Dummy5 = input.ReadInt32();
+              break;
+            }
+            case 48: {
+              Dummy6 = input.ReadInt32();
+              break;
+            }
+            case 56: {
+              Dummy7 = input.ReadInt32();
+              break;
+            }
+            case 64: {
+              Dummy8 = input.ReadInt32();
+              break;
+            }
+            case 72: {
+              Dummy9 = input.ReadInt32();
+              break;
+            }
+            case 80: {
+              Dummy10 = input.ReadInt32();
+              break;
+            }
+            case 88: {
+              Dummy11 = input.ReadInt32();
+              break;
+            }
+            case 96: {
+              Dummy12 = input.ReadInt32();
+              break;
+            }
+            case 104: {
+              Dummy13 = input.ReadInt32();
+              break;
+            }
+            case 112: {
+              Dummy14 = input.ReadInt32();
+              break;
+            }
+            case 120: {
+              Dummy15 = input.ReadInt32();
+              break;
+            }
+            case 128: {
+              Dummy16 = input.ReadInt32();
+              break;
+            }
+            case 136: {
+              Dummy17 = input.ReadInt32();
+              break;
+            }
+            case 144: {
+              Dummy18 = input.ReadInt32();
+              break;
+            }
+            case 152: {
+              Dummy19 = input.ReadInt32();
+              break;
+            }
+            case 160: {
+              Dummy20 = input.ReadInt32();
+              break;
+            }
+            case 168: {
+              Dummy21 = input.ReadInt32();
+              break;
+            }
+            case 176: {
+              Dummy22 = input.ReadInt32();
+              break;
+            }
+            case 184: {
+              Dummy23 = input.ReadInt32();
+              break;
+            }
+            case 192: {
+              Dummy24 = input.ReadInt32();
+              break;
+            }
+            case 200: {
+              Dummy25 = input.ReadInt32();
+              break;
+            }
+            case 208: {
+              Dummy26 = input.ReadInt32();
+              break;
+            }
+            case 216: {
+              Dummy27 = input.ReadInt32();
+              break;
+            }
+            case 224: {
+              Dummy28 = input.ReadInt32();
+              break;
+            }
+            case 232: {
+              Dummy29 = input.ReadInt32();
+              break;
+            }
+            case 240: {
+              Dummy30 = input.ReadInt32();
+              break;
+            }
+            case 248: {
+              Dummy31 = input.ReadInt32();
+              break;
+            }
+            case 256: {
+              Dummy32 = input.ReadInt32();
+              break;
+            }
+            case 264: {
+              C = input.ReadInt32();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasA {
+        get { return result.HasA; }
+      }
+      public int A {
+        get { return result.A; }
+        set { SetA(value); }
+      }
+      public Builder SetA(int value) {
+        result.hasA = true;
+        result.a_ = value;
+        return this;
+      }
+      public Builder ClearA() {
+        result.hasA = false;
+        result.a_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy2 {
+        get { return result.HasDummy2; }
+      }
+      public int Dummy2 {
+        get { return result.Dummy2; }
+        set { SetDummy2(value); }
+      }
+      public Builder SetDummy2(int value) {
+        result.hasDummy2 = true;
+        result.dummy2_ = value;
+        return this;
+      }
+      public Builder ClearDummy2() {
+        result.hasDummy2 = false;
+        result.dummy2_ = 0;
+        return this;
+      }
+      
+      public bool HasB {
+        get { return result.HasB; }
+      }
+      public int B {
+        get { return result.B; }
+        set { SetB(value); }
+      }
+      public Builder SetB(int value) {
+        result.hasB = true;
+        result.b_ = value;
+        return this;
+      }
+      public Builder ClearB() {
+        result.hasB = false;
+        result.b_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy4 {
+        get { return result.HasDummy4; }
+      }
+      public int Dummy4 {
+        get { return result.Dummy4; }
+        set { SetDummy4(value); }
+      }
+      public Builder SetDummy4(int value) {
+        result.hasDummy4 = true;
+        result.dummy4_ = value;
+        return this;
+      }
+      public Builder ClearDummy4() {
+        result.hasDummy4 = false;
+        result.dummy4_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy5 {
+        get { return result.HasDummy5; }
+      }
+      public int Dummy5 {
+        get { return result.Dummy5; }
+        set { SetDummy5(value); }
+      }
+      public Builder SetDummy5(int value) {
+        result.hasDummy5 = true;
+        result.dummy5_ = value;
+        return this;
+      }
+      public Builder ClearDummy5() {
+        result.hasDummy5 = false;
+        result.dummy5_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy6 {
+        get { return result.HasDummy6; }
+      }
+      public int Dummy6 {
+        get { return result.Dummy6; }
+        set { SetDummy6(value); }
+      }
+      public Builder SetDummy6(int value) {
+        result.hasDummy6 = true;
+        result.dummy6_ = value;
+        return this;
+      }
+      public Builder ClearDummy6() {
+        result.hasDummy6 = false;
+        result.dummy6_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy7 {
+        get { return result.HasDummy7; }
+      }
+      public int Dummy7 {
+        get { return result.Dummy7; }
+        set { SetDummy7(value); }
+      }
+      public Builder SetDummy7(int value) {
+        result.hasDummy7 = true;
+        result.dummy7_ = value;
+        return this;
+      }
+      public Builder ClearDummy7() {
+        result.hasDummy7 = false;
+        result.dummy7_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy8 {
+        get { return result.HasDummy8; }
+      }
+      public int Dummy8 {
+        get { return result.Dummy8; }
+        set { SetDummy8(value); }
+      }
+      public Builder SetDummy8(int value) {
+        result.hasDummy8 = true;
+        result.dummy8_ = value;
+        return this;
+      }
+      public Builder ClearDummy8() {
+        result.hasDummy8 = false;
+        result.dummy8_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy9 {
+        get { return result.HasDummy9; }
+      }
+      public int Dummy9 {
+        get { return result.Dummy9; }
+        set { SetDummy9(value); }
+      }
+      public Builder SetDummy9(int value) {
+        result.hasDummy9 = true;
+        result.dummy9_ = value;
+        return this;
+      }
+      public Builder ClearDummy9() {
+        result.hasDummy9 = false;
+        result.dummy9_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy10 {
+        get { return result.HasDummy10; }
+      }
+      public int Dummy10 {
+        get { return result.Dummy10; }
+        set { SetDummy10(value); }
+      }
+      public Builder SetDummy10(int value) {
+        result.hasDummy10 = true;
+        result.dummy10_ = value;
+        return this;
+      }
+      public Builder ClearDummy10() {
+        result.hasDummy10 = false;
+        result.dummy10_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy11 {
+        get { return result.HasDummy11; }
+      }
+      public int Dummy11 {
+        get { return result.Dummy11; }
+        set { SetDummy11(value); }
+      }
+      public Builder SetDummy11(int value) {
+        result.hasDummy11 = true;
+        result.dummy11_ = value;
+        return this;
+      }
+      public Builder ClearDummy11() {
+        result.hasDummy11 = false;
+        result.dummy11_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy12 {
+        get { return result.HasDummy12; }
+      }
+      public int Dummy12 {
+        get { return result.Dummy12; }
+        set { SetDummy12(value); }
+      }
+      public Builder SetDummy12(int value) {
+        result.hasDummy12 = true;
+        result.dummy12_ = value;
+        return this;
+      }
+      public Builder ClearDummy12() {
+        result.hasDummy12 = false;
+        result.dummy12_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy13 {
+        get { return result.HasDummy13; }
+      }
+      public int Dummy13 {
+        get { return result.Dummy13; }
+        set { SetDummy13(value); }
+      }
+      public Builder SetDummy13(int value) {
+        result.hasDummy13 = true;
+        result.dummy13_ = value;
+        return this;
+      }
+      public Builder ClearDummy13() {
+        result.hasDummy13 = false;
+        result.dummy13_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy14 {
+        get { return result.HasDummy14; }
+      }
+      public int Dummy14 {
+        get { return result.Dummy14; }
+        set { SetDummy14(value); }
+      }
+      public Builder SetDummy14(int value) {
+        result.hasDummy14 = true;
+        result.dummy14_ = value;
+        return this;
+      }
+      public Builder ClearDummy14() {
+        result.hasDummy14 = false;
+        result.dummy14_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy15 {
+        get { return result.HasDummy15; }
+      }
+      public int Dummy15 {
+        get { return result.Dummy15; }
+        set { SetDummy15(value); }
+      }
+      public Builder SetDummy15(int value) {
+        result.hasDummy15 = true;
+        result.dummy15_ = value;
+        return this;
+      }
+      public Builder ClearDummy15() {
+        result.hasDummy15 = false;
+        result.dummy15_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy16 {
+        get { return result.HasDummy16; }
+      }
+      public int Dummy16 {
+        get { return result.Dummy16; }
+        set { SetDummy16(value); }
+      }
+      public Builder SetDummy16(int value) {
+        result.hasDummy16 = true;
+        result.dummy16_ = value;
+        return this;
+      }
+      public Builder ClearDummy16() {
+        result.hasDummy16 = false;
+        result.dummy16_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy17 {
+        get { return result.HasDummy17; }
+      }
+      public int Dummy17 {
+        get { return result.Dummy17; }
+        set { SetDummy17(value); }
+      }
+      public Builder SetDummy17(int value) {
+        result.hasDummy17 = true;
+        result.dummy17_ = value;
+        return this;
+      }
+      public Builder ClearDummy17() {
+        result.hasDummy17 = false;
+        result.dummy17_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy18 {
+        get { return result.HasDummy18; }
+      }
+      public int Dummy18 {
+        get { return result.Dummy18; }
+        set { SetDummy18(value); }
+      }
+      public Builder SetDummy18(int value) {
+        result.hasDummy18 = true;
+        result.dummy18_ = value;
+        return this;
+      }
+      public Builder ClearDummy18() {
+        result.hasDummy18 = false;
+        result.dummy18_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy19 {
+        get { return result.HasDummy19; }
+      }
+      public int Dummy19 {
+        get { return result.Dummy19; }
+        set { SetDummy19(value); }
+      }
+      public Builder SetDummy19(int value) {
+        result.hasDummy19 = true;
+        result.dummy19_ = value;
+        return this;
+      }
+      public Builder ClearDummy19() {
+        result.hasDummy19 = false;
+        result.dummy19_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy20 {
+        get { return result.HasDummy20; }
+      }
+      public int Dummy20 {
+        get { return result.Dummy20; }
+        set { SetDummy20(value); }
+      }
+      public Builder SetDummy20(int value) {
+        result.hasDummy20 = true;
+        result.dummy20_ = value;
+        return this;
+      }
+      public Builder ClearDummy20() {
+        result.hasDummy20 = false;
+        result.dummy20_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy21 {
+        get { return result.HasDummy21; }
+      }
+      public int Dummy21 {
+        get { return result.Dummy21; }
+        set { SetDummy21(value); }
+      }
+      public Builder SetDummy21(int value) {
+        result.hasDummy21 = true;
+        result.dummy21_ = value;
+        return this;
+      }
+      public Builder ClearDummy21() {
+        result.hasDummy21 = false;
+        result.dummy21_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy22 {
+        get { return result.HasDummy22; }
+      }
+      public int Dummy22 {
+        get { return result.Dummy22; }
+        set { SetDummy22(value); }
+      }
+      public Builder SetDummy22(int value) {
+        result.hasDummy22 = true;
+        result.dummy22_ = value;
+        return this;
+      }
+      public Builder ClearDummy22() {
+        result.hasDummy22 = false;
+        result.dummy22_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy23 {
+        get { return result.HasDummy23; }
+      }
+      public int Dummy23 {
+        get { return result.Dummy23; }
+        set { SetDummy23(value); }
+      }
+      public Builder SetDummy23(int value) {
+        result.hasDummy23 = true;
+        result.dummy23_ = value;
+        return this;
+      }
+      public Builder ClearDummy23() {
+        result.hasDummy23 = false;
+        result.dummy23_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy24 {
+        get { return result.HasDummy24; }
+      }
+      public int Dummy24 {
+        get { return result.Dummy24; }
+        set { SetDummy24(value); }
+      }
+      public Builder SetDummy24(int value) {
+        result.hasDummy24 = true;
+        result.dummy24_ = value;
+        return this;
+      }
+      public Builder ClearDummy24() {
+        result.hasDummy24 = false;
+        result.dummy24_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy25 {
+        get { return result.HasDummy25; }
+      }
+      public int Dummy25 {
+        get { return result.Dummy25; }
+        set { SetDummy25(value); }
+      }
+      public Builder SetDummy25(int value) {
+        result.hasDummy25 = true;
+        result.dummy25_ = value;
+        return this;
+      }
+      public Builder ClearDummy25() {
+        result.hasDummy25 = false;
+        result.dummy25_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy26 {
+        get { return result.HasDummy26; }
+      }
+      public int Dummy26 {
+        get { return result.Dummy26; }
+        set { SetDummy26(value); }
+      }
+      public Builder SetDummy26(int value) {
+        result.hasDummy26 = true;
+        result.dummy26_ = value;
+        return this;
+      }
+      public Builder ClearDummy26() {
+        result.hasDummy26 = false;
+        result.dummy26_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy27 {
+        get { return result.HasDummy27; }
+      }
+      public int Dummy27 {
+        get { return result.Dummy27; }
+        set { SetDummy27(value); }
+      }
+      public Builder SetDummy27(int value) {
+        result.hasDummy27 = true;
+        result.dummy27_ = value;
+        return this;
+      }
+      public Builder ClearDummy27() {
+        result.hasDummy27 = false;
+        result.dummy27_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy28 {
+        get { return result.HasDummy28; }
+      }
+      public int Dummy28 {
+        get { return result.Dummy28; }
+        set { SetDummy28(value); }
+      }
+      public Builder SetDummy28(int value) {
+        result.hasDummy28 = true;
+        result.dummy28_ = value;
+        return this;
+      }
+      public Builder ClearDummy28() {
+        result.hasDummy28 = false;
+        result.dummy28_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy29 {
+        get { return result.HasDummy29; }
+      }
+      public int Dummy29 {
+        get { return result.Dummy29; }
+        set { SetDummy29(value); }
+      }
+      public Builder SetDummy29(int value) {
+        result.hasDummy29 = true;
+        result.dummy29_ = value;
+        return this;
+      }
+      public Builder ClearDummy29() {
+        result.hasDummy29 = false;
+        result.dummy29_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy30 {
+        get { return result.HasDummy30; }
+      }
+      public int Dummy30 {
+        get { return result.Dummy30; }
+        set { SetDummy30(value); }
+      }
+      public Builder SetDummy30(int value) {
+        result.hasDummy30 = true;
+        result.dummy30_ = value;
+        return this;
+      }
+      public Builder ClearDummy30() {
+        result.hasDummy30 = false;
+        result.dummy30_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy31 {
+        get { return result.HasDummy31; }
+      }
+      public int Dummy31 {
+        get { return result.Dummy31; }
+        set { SetDummy31(value); }
+      }
+      public Builder SetDummy31(int value) {
+        result.hasDummy31 = true;
+        result.dummy31_ = value;
+        return this;
+      }
+      public Builder ClearDummy31() {
+        result.hasDummy31 = false;
+        result.dummy31_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy32 {
+        get { return result.HasDummy32; }
+      }
+      public int Dummy32 {
+        get { return result.Dummy32; }
+        set { SetDummy32(value); }
+      }
+      public Builder SetDummy32(int value) {
+        result.hasDummy32 = true;
+        result.dummy32_ = value;
+        return this;
+      }
+      public Builder ClearDummy32() {
+        result.hasDummy32 = false;
+        result.dummy32_ = 0;
+        return this;
+      }
+      
+      public bool HasC {
+        get { return result.HasC; }
+      }
+      public int C {
+        get { return result.C; }
+        set { SetC(value); }
+      }
+      public Builder SetC(int value) {
+        result.hasC = true;
+        result.c_ = value;
+        return this;
+      }
+      public Builder ClearC() {
+        result.hasC = false;
+        result.c_ = 0;
+        return this;
+      }
+    }
+    static TestRequired() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class TestRequiredForeign : pb::GeneratedMessage<TestRequiredForeign, TestRequiredForeign.Builder> {
+    private static readonly TestRequiredForeign defaultInstance = new Builder().BuildPartial();
+    public static TestRequiredForeign DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestRequiredForeign DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestRequiredForeign ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestRequiredForeign__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestRequiredForeign, TestRequiredForeign.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestRequiredForeign__FieldAccessorTable; }
+    }
+    
+    public const int OptionalMessageFieldNumber = 1;
+    private bool hasOptionalMessage;
+    private global::Google.ProtocolBuffers.TestProtos.TestRequired optionalMessage_ = global::Google.ProtocolBuffers.TestProtos.TestRequired.DefaultInstance;
+    public bool HasOptionalMessage {
+      get { return hasOptionalMessage; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestRequired OptionalMessage {
+      get { return optionalMessage_; }
+    }
+    
+    public const int RepeatedMessageFieldNumber = 2;
+    private pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.TestRequired> repeatedMessage_ = new pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.TestRequired>();
+    public scg::IList<global::Google.ProtocolBuffers.TestProtos.TestRequired> RepeatedMessageList {
+      get { return repeatedMessage_; }
+    }
+    public int RepeatedMessageCount {
+      get { return repeatedMessage_.Count; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestRequired GetRepeatedMessage(int index) {
+      return repeatedMessage_[index];
+    }
+    
+    public const int DummyFieldNumber = 3;
+    private bool hasDummy;
+    private int dummy_ = 0;
+    public bool HasDummy {
+      get { return hasDummy; }
+    }
+    public int Dummy {
+      get { return dummy_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        if (HasOptionalMessage) {
+          if (!OptionalMessage.IsInitialized) return false;
+        }
+        foreach (global::Google.ProtocolBuffers.TestProtos.TestRequired element in RepeatedMessageList) {
+          if (!element.IsInitialized) return false;
+        }
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      if (HasOptionalMessage) {
+        output.WriteMessage(1, OptionalMessage);
+      }
+      foreach (global::Google.ProtocolBuffers.TestProtos.TestRequired element in RepeatedMessageList) {
+        output.WriteMessage(2, element);
+      }
+      if (HasDummy) {
+        output.WriteInt32(3, Dummy);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasOptionalMessage) {
+          size += pb::CodedOutputStream.ComputeMessageSize(1, OptionalMessage);
+        }
+        foreach (global::Google.ProtocolBuffers.TestProtos.TestRequired element in RepeatedMessageList) {
+          size += pb::CodedOutputStream.ComputeMessageSize(2, element);
+        }
+        if (HasDummy) {
+          size += pb::CodedOutputStream.ComputeInt32Size(3, Dummy);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestRequiredForeign ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestRequiredForeign ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestRequiredForeign ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestRequiredForeign ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestRequiredForeign ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestRequiredForeign ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestRequiredForeign ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static TestRequiredForeign ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static TestRequiredForeign ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestRequiredForeign ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestRequiredForeign prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestRequiredForeign, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestRequiredForeign result = new TestRequiredForeign();
+      
+      protected override TestRequiredForeign MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestRequiredForeign();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestRequiredForeign.Descriptor; }
+      }
+      
+      public override TestRequiredForeign DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestRequiredForeign.DefaultInstance; }
+      }
+      
+      public override TestRequiredForeign BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        result.repeatedMessage_.MakeReadOnly();
+        TestRequiredForeign returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestRequiredForeign) {
+          return MergeFrom((TestRequiredForeign) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestRequiredForeign other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.TestRequiredForeign.DefaultInstance) return this;
+        if (other.HasOptionalMessage) {
+          MergeOptionalMessage(other.OptionalMessage);
+        }
+        if (other.repeatedMessage_.Count != 0) {
+          base.AddRange(other.repeatedMessage_, result.repeatedMessage_);
+        }
+        if (other.HasDummy) {
+          Dummy = other.Dummy;
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+            case 10: {
+              global::Google.ProtocolBuffers.TestProtos.TestRequired.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestRequired.CreateBuilder();
+              if (HasOptionalMessage) {
+                subBuilder.MergeFrom(OptionalMessage);
+              }
+              input.ReadMessage(subBuilder, extensionRegistry);
+              OptionalMessage = subBuilder.BuildPartial();
+              break;
+            }
+            case 18: {
+              global::Google.ProtocolBuffers.TestProtos.TestRequired.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestRequired.CreateBuilder();
+              input.ReadMessage(subBuilder, extensionRegistry);
+              AddRepeatedMessage(subBuilder.BuildPartial());
+              break;
+            }
+            case 24: {
+              Dummy = input.ReadInt32();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasOptionalMessage {
+       get { return result.HasOptionalMessage; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestRequired OptionalMessage {
+        get { return result.OptionalMessage; }
+        set { SetOptionalMessage(value); }
+      }
+      public Builder SetOptionalMessage(global::Google.ProtocolBuffers.TestProtos.TestRequired value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasOptionalMessage = true;
+        result.optionalMessage_ = value;
+        return this;
+      }
+      public Builder SetOptionalMessage(global::Google.ProtocolBuffers.TestProtos.TestRequired.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.hasOptionalMessage = true;
+        result.optionalMessage_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeOptionalMessage(global::Google.ProtocolBuffers.TestProtos.TestRequired value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        if (result.HasOptionalMessage &&
+            result.optionalMessage_ != global::Google.ProtocolBuffers.TestProtos.TestRequired.DefaultInstance) {
+            result.optionalMessage_ = global::Google.ProtocolBuffers.TestProtos.TestRequired.CreateBuilder(result.optionalMessage_).MergeFrom(value).BuildPartial();
+        } else {
+          result.optionalMessage_ = value;
+        }
+        result.hasOptionalMessage = true;
+        return this;
+      }
+      public Builder ClearOptionalMessage() {
+        result.hasOptionalMessage = false;
+        result.optionalMessage_ = global::Google.ProtocolBuffers.TestProtos.TestRequired.DefaultInstance;
+        return this;
+      }
+      
+      public pbc::IPopsicleList<global::Google.ProtocolBuffers.TestProtos.TestRequired> RepeatedMessageList {
+        get { return result.repeatedMessage_; }
+      }
+      public int RepeatedMessageCount {
+        get { return result.RepeatedMessageCount; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestRequired GetRepeatedMessage(int index) {
+        return result.GetRepeatedMessage(index);
+      }
+      public Builder SetRepeatedMessage(int index, global::Google.ProtocolBuffers.TestProtos.TestRequired value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedMessage_[index] = value;
+        return this;
+      }
+      public Builder SetRepeatedMessage(int index, global::Google.ProtocolBuffers.TestProtos.TestRequired.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.repeatedMessage_[index] = builderForValue.Build();
+        return this;
+      }
+      public Builder AddRepeatedMessage(global::Google.ProtocolBuffers.TestProtos.TestRequired value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedMessage_.Add(value);
+        return this;
+      }
+      public Builder AddRepeatedMessage(global::Google.ProtocolBuffers.TestProtos.TestRequired.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.repeatedMessage_.Add(builderForValue.Build());
+        return this;
+      }
+      public Builder AddRangeRepeatedMessage(scg::IEnumerable<global::Google.ProtocolBuffers.TestProtos.TestRequired> values) {
+        base.AddRange(values, result.repeatedMessage_);
+        return this;
+      }
+      public Builder ClearRepeatedMessage() {
+        result.repeatedMessage_.Clear();
+        return this;
+      }
+      
+      public bool HasDummy {
+        get { return result.HasDummy; }
+      }
+      public int Dummy {
+        get { return result.Dummy; }
+        set { SetDummy(value); }
+      }
+      public Builder SetDummy(int value) {
+        result.hasDummy = true;
+        result.dummy_ = value;
+        return this;
+      }
+      public Builder ClearDummy() {
+        result.hasDummy = false;
+        result.dummy_ = 0;
+        return this;
+      }
+    }
+    static TestRequiredForeign() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class TestForeignNested : pb::GeneratedMessage<TestForeignNested, TestForeignNested.Builder> {
+    private static readonly TestForeignNested defaultInstance = new Builder().BuildPartial();
+    public static TestForeignNested DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestForeignNested DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestForeignNested ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestForeignNested__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestForeignNested, TestForeignNested.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestForeignNested__FieldAccessorTable; }
+    }
+    
+    public const int ForeignNestedFieldNumber = 1;
+    private bool hasForeignNested;
+    private global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage foreignNested_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.DefaultInstance;
+    public bool HasForeignNested {
+      get { return hasForeignNested; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage ForeignNested {
+      get { return foreignNested_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      if (HasForeignNested) {
+        output.WriteMessage(1, ForeignNested);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasForeignNested) {
+          size += pb::CodedOutputStream.ComputeMessageSize(1, ForeignNested);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestForeignNested ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestForeignNested ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestForeignNested ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestForeignNested ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestForeignNested ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestForeignNested ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestForeignNested ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static TestForeignNested ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static TestForeignNested ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestForeignNested ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestForeignNested prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestForeignNested, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestForeignNested result = new TestForeignNested();
+      
+      protected override TestForeignNested MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestForeignNested();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestForeignNested.Descriptor; }
+      }
+      
+      public override TestForeignNested DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestForeignNested.DefaultInstance; }
+      }
+      
+      public override TestForeignNested BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        TestForeignNested returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestForeignNested) {
+          return MergeFrom((TestForeignNested) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestForeignNested other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.TestForeignNested.DefaultInstance) return this;
+        if (other.HasForeignNested) {
+          MergeForeignNested(other.ForeignNested);
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+            case 10: {
+              global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.CreateBuilder();
+              if (HasForeignNested) {
+                subBuilder.MergeFrom(ForeignNested);
+              }
+              input.ReadMessage(subBuilder, extensionRegistry);
+              ForeignNested = subBuilder.BuildPartial();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasForeignNested {
+       get { return result.HasForeignNested; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage ForeignNested {
+        get { return result.ForeignNested; }
+        set { SetForeignNested(value); }
+      }
+      public Builder SetForeignNested(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasForeignNested = true;
+        result.foreignNested_ = value;
+        return this;
+      }
+      public Builder SetForeignNested(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.hasForeignNested = true;
+        result.foreignNested_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeForeignNested(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        if (result.HasForeignNested &&
+            result.foreignNested_ != global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.DefaultInstance) {
+            result.foreignNested_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.CreateBuilder(result.foreignNested_).MergeFrom(value).BuildPartial();
+        } else {
+          result.foreignNested_ = value;
+        }
+        result.hasForeignNested = true;
+        return this;
+      }
+      public Builder ClearForeignNested() {
+        result.hasForeignNested = false;
+        result.foreignNested_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.DefaultInstance;
+        return this;
+      }
+    }
+    static TestForeignNested() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class TestEmptyMessage : pb::GeneratedMessage<TestEmptyMessage, TestEmptyMessage.Builder> {
+    private static readonly TestEmptyMessage defaultInstance = new Builder().BuildPartial();
+    public static TestEmptyMessage DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestEmptyMessage DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestEmptyMessage ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestEmptyMessage__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestEmptyMessage, TestEmptyMessage.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestEmptyMessage__FieldAccessorTable; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestEmptyMessage ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestEmptyMessage ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestEmptyMessage ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestEmptyMessage ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestEmptyMessage ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestEmptyMessage ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestEmptyMessage ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static TestEmptyMessage ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static TestEmptyMessage ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestEmptyMessage ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestEmptyMessage prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestEmptyMessage, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestEmptyMessage result = new TestEmptyMessage();
+      
+      protected override TestEmptyMessage MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestEmptyMessage();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestEmptyMessage.Descriptor; }
+      }
+      
+      public override TestEmptyMessage DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestEmptyMessage.DefaultInstance; }
+      }
+      
+      public override TestEmptyMessage BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        TestEmptyMessage returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestEmptyMessage) {
+          return MergeFrom((TestEmptyMessage) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestEmptyMessage other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.TestEmptyMessage.DefaultInstance) return this;
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+          }
+        }
+      }
+      
+    }
+    static TestEmptyMessage() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class TestEmptyMessageWithExtensions : pb::ExtendableMessage<TestEmptyMessageWithExtensions, TestEmptyMessageWithExtensions.Builder> {
+    private static readonly TestEmptyMessageWithExtensions defaultInstance = new Builder().BuildPartial();
+    public static TestEmptyMessageWithExtensions DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestEmptyMessageWithExtensions DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestEmptyMessageWithExtensions ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestEmptyMessageWithExtensions__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestEmptyMessageWithExtensions, TestEmptyMessageWithExtensions.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestEmptyMessageWithExtensions__FieldAccessorTable; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        if (!ExtensionsAreInitialized) return false;
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      pb::ExtendableMessage<TestEmptyMessageWithExtensions, TestEmptyMessageWithExtensions.Builder>.ExtensionWriter extensionWriter = CreateExtensionWriter(this);
+      extensionWriter.WriteUntil(536870912, output);
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        size += ExtensionsSerializedSize;
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestEmptyMessageWithExtensions ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestEmptyMessageWithExtensions ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestEmptyMessageWithExtensions ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestEmptyMessageWithExtensions ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestEmptyMessageWithExtensions ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestEmptyMessageWithExtensions ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestEmptyMessageWithExtensions ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static TestEmptyMessageWithExtensions ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static TestEmptyMessageWithExtensions ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestEmptyMessageWithExtensions ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestEmptyMessageWithExtensions prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::ExtendableBuilder<TestEmptyMessageWithExtensions, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestEmptyMessageWithExtensions result = new TestEmptyMessageWithExtensions();
+      
+      protected override TestEmptyMessageWithExtensions MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestEmptyMessageWithExtensions();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestEmptyMessageWithExtensions.Descriptor; }
+      }
+      
+      public override TestEmptyMessageWithExtensions DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestEmptyMessageWithExtensions.DefaultInstance; }
+      }
+      
+      public override TestEmptyMessageWithExtensions BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        TestEmptyMessageWithExtensions returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestEmptyMessageWithExtensions) {
+          return MergeFrom((TestEmptyMessageWithExtensions) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestEmptyMessageWithExtensions other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.TestEmptyMessageWithExtensions.DefaultInstance) return this;
+          this.MergeExtensionFields(other);
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+          }
+        }
+      }
+      
+    }
+    static TestEmptyMessageWithExtensions() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class TestMultipleExtensionRanges : pb::ExtendableMessage<TestMultipleExtensionRanges, TestMultipleExtensionRanges.Builder> {
+    private static readonly TestMultipleExtensionRanges defaultInstance = new Builder().BuildPartial();
+    public static TestMultipleExtensionRanges DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestMultipleExtensionRanges DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestMultipleExtensionRanges ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestMultipleExtensionRanges__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestMultipleExtensionRanges, TestMultipleExtensionRanges.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestMultipleExtensionRanges__FieldAccessorTable; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        if (!ExtensionsAreInitialized) return false;
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      pb::ExtendableMessage<TestMultipleExtensionRanges, TestMultipleExtensionRanges.Builder>.ExtensionWriter extensionWriter = CreateExtensionWriter(this);
+      extensionWriter.WriteUntil(43, output);
+      extensionWriter.WriteUntil(4244, output);
+      extensionWriter.WriteUntil(536870912, output);
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        size += ExtensionsSerializedSize;
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestMultipleExtensionRanges ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestMultipleExtensionRanges ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestMultipleExtensionRanges ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestMultipleExtensionRanges ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestMultipleExtensionRanges ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestMultipleExtensionRanges ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestMultipleExtensionRanges ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static TestMultipleExtensionRanges ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static TestMultipleExtensionRanges ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestMultipleExtensionRanges ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestMultipleExtensionRanges prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::ExtendableBuilder<TestMultipleExtensionRanges, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestMultipleExtensionRanges result = new TestMultipleExtensionRanges();
+      
+      protected override TestMultipleExtensionRanges MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestMultipleExtensionRanges();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestMultipleExtensionRanges.Descriptor; }
+      }
+      
+      public override TestMultipleExtensionRanges DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestMultipleExtensionRanges.DefaultInstance; }
+      }
+      
+      public override TestMultipleExtensionRanges BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        TestMultipleExtensionRanges returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestMultipleExtensionRanges) {
+          return MergeFrom((TestMultipleExtensionRanges) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestMultipleExtensionRanges other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.TestMultipleExtensionRanges.DefaultInstance) return this;
+          this.MergeExtensionFields(other);
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+          }
+        }
+      }
+      
+    }
+    static TestMultipleExtensionRanges() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class TestReallyLargeTagNumber : pb::GeneratedMessage<TestReallyLargeTagNumber, TestReallyLargeTagNumber.Builder> {
+    private static readonly TestReallyLargeTagNumber defaultInstance = new Builder().BuildPartial();
+    public static TestReallyLargeTagNumber DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestReallyLargeTagNumber DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestReallyLargeTagNumber ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestReallyLargeTagNumber__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestReallyLargeTagNumber, TestReallyLargeTagNumber.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestReallyLargeTagNumber__FieldAccessorTable; }
+    }
+    
+    public const int AFieldNumber = 1;
+    private bool hasA;
+    private int a_ = 0;
+    public bool HasA {
+      get { return hasA; }
+    }
+    public int A {
+      get { return a_; }
+    }
+    
+    public const int BbFieldNumber = 268435455;
+    private bool hasBb;
+    private int bb_ = 0;
+    public bool HasBb {
+      get { return hasBb; }
+    }
+    public int Bb {
+      get { return bb_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      if (HasA) {
+        output.WriteInt32(1, A);
+      }
+      if (HasBb) {
+        output.WriteInt32(268435455, Bb);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasA) {
+          size += pb::CodedOutputStream.ComputeInt32Size(1, A);
+        }
+        if (HasBb) {
+          size += pb::CodedOutputStream.ComputeInt32Size(268435455, Bb);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestReallyLargeTagNumber ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestReallyLargeTagNumber ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestReallyLargeTagNumber ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestReallyLargeTagNumber ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestReallyLargeTagNumber ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestReallyLargeTagNumber ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestReallyLargeTagNumber ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static TestReallyLargeTagNumber ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static TestReallyLargeTagNumber ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestReallyLargeTagNumber ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestReallyLargeTagNumber prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestReallyLargeTagNumber, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestReallyLargeTagNumber result = new TestReallyLargeTagNumber();
+      
+      protected override TestReallyLargeTagNumber MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestReallyLargeTagNumber();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestReallyLargeTagNumber.Descriptor; }
+      }
+      
+      public override TestReallyLargeTagNumber DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestReallyLargeTagNumber.DefaultInstance; }
+      }
+      
+      public override TestReallyLargeTagNumber BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        TestReallyLargeTagNumber returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestReallyLargeTagNumber) {
+          return MergeFrom((TestReallyLargeTagNumber) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestReallyLargeTagNumber other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.TestReallyLargeTagNumber.DefaultInstance) return this;
+        if (other.HasA) {
+          A = other.A;
+        }
+        if (other.HasBb) {
+          Bb = other.Bb;
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+            case 8: {
+              A = input.ReadInt32();
+              break;
+            }
+            case 2147483640: {
+              Bb = input.ReadInt32();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasA {
+        get { return result.HasA; }
+      }
+      public int A {
+        get { return result.A; }
+        set { SetA(value); }
+      }
+      public Builder SetA(int value) {
+        result.hasA = true;
+        result.a_ = value;
+        return this;
+      }
+      public Builder ClearA() {
+        result.hasA = false;
+        result.a_ = 0;
+        return this;
+      }
+      
+      public bool HasBb {
+        get { return result.HasBb; }
+      }
+      public int Bb {
+        get { return result.Bb; }
+        set { SetBb(value); }
+      }
+      public Builder SetBb(int value) {
+        result.hasBb = true;
+        result.bb_ = value;
+        return this;
+      }
+      public Builder ClearBb() {
+        result.hasBb = false;
+        result.bb_ = 0;
+        return this;
+      }
+    }
+    static TestReallyLargeTagNumber() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class TestRecursiveMessage : pb::GeneratedMessage<TestRecursiveMessage, TestRecursiveMessage.Builder> {
+    private static readonly TestRecursiveMessage defaultInstance = new Builder().BuildPartial();
+    public static TestRecursiveMessage DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestRecursiveMessage DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestRecursiveMessage ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestRecursiveMessage__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestRecursiveMessage, TestRecursiveMessage.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestRecursiveMessage__FieldAccessorTable; }
+    }
+    
+    public const int AFieldNumber = 1;
+    private bool hasA;
+    private global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage a_ = global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage.DefaultInstance;
+    public bool HasA {
+      get { return hasA; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage A {
+      get { return a_; }
+    }
+    
+    public const int IFieldNumber = 2;
+    private bool hasI;
+    private int i_ = 0;
+    public bool HasI {
+      get { return hasI; }
+    }
+    public int I {
+      get { return i_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      if (HasA) {
+        output.WriteMessage(1, A);
+      }
+      if (HasI) {
+        output.WriteInt32(2, I);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasA) {
+          size += pb::CodedOutputStream.ComputeMessageSize(1, A);
+        }
+        if (HasI) {
+          size += pb::CodedOutputStream.ComputeInt32Size(2, I);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestRecursiveMessage ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestRecursiveMessage ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestRecursiveMessage ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestRecursiveMessage ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestRecursiveMessage ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestRecursiveMessage ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestRecursiveMessage ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static TestRecursiveMessage ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static TestRecursiveMessage ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestRecursiveMessage ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestRecursiveMessage prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestRecursiveMessage, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestRecursiveMessage result = new TestRecursiveMessage();
+      
+      protected override TestRecursiveMessage MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestRecursiveMessage();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage.Descriptor; }
+      }
+      
+      public override TestRecursiveMessage DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage.DefaultInstance; }
+      }
+      
+      public override TestRecursiveMessage BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        TestRecursiveMessage returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestRecursiveMessage) {
+          return MergeFrom((TestRecursiveMessage) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestRecursiveMessage other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage.DefaultInstance) return this;
+        if (other.HasA) {
+          MergeA(other.A);
+        }
+        if (other.HasI) {
+          I = other.I;
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+            case 10: {
+              global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage.CreateBuilder();
+              if (HasA) {
+                subBuilder.MergeFrom(A);
+              }
+              input.ReadMessage(subBuilder, extensionRegistry);
+              A = subBuilder.BuildPartial();
+              break;
+            }
+            case 16: {
+              I = input.ReadInt32();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasA {
+       get { return result.HasA; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage A {
+        get { return result.A; }
+        set { SetA(value); }
+      }
+      public Builder SetA(global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasA = true;
+        result.a_ = value;
+        return this;
+      }
+      public Builder SetA(global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.hasA = true;
+        result.a_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeA(global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        if (result.HasA &&
+            result.a_ != global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage.DefaultInstance) {
+            result.a_ = global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage.CreateBuilder(result.a_).MergeFrom(value).BuildPartial();
+        } else {
+          result.a_ = value;
+        }
+        result.hasA = true;
+        return this;
+      }
+      public Builder ClearA() {
+        result.hasA = false;
+        result.a_ = global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage.DefaultInstance;
+        return this;
+      }
+      
+      public bool HasI {
+        get { return result.HasI; }
+      }
+      public int I {
+        get { return result.I; }
+        set { SetI(value); }
+      }
+      public Builder SetI(int value) {
+        result.hasI = true;
+        result.i_ = value;
+        return this;
+      }
+      public Builder ClearI() {
+        result.hasI = false;
+        result.i_ = 0;
+        return this;
+      }
+    }
+    static TestRecursiveMessage() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class TestMutualRecursionA : pb::GeneratedMessage<TestMutualRecursionA, TestMutualRecursionA.Builder> {
+    private static readonly TestMutualRecursionA defaultInstance = new Builder().BuildPartial();
+    public static TestMutualRecursionA DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestMutualRecursionA DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestMutualRecursionA ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestMutualRecursionA__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestMutualRecursionA, TestMutualRecursionA.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestMutualRecursionA__FieldAccessorTable; }
+    }
+    
+    public const int BbFieldNumber = 1;
+    private bool hasBb;
+    private global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB bb_ = global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB.DefaultInstance;
+    public bool HasBb {
+      get { return hasBb; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB Bb {
+      get { return bb_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      if (HasBb) {
+        output.WriteMessage(1, Bb);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasBb) {
+          size += pb::CodedOutputStream.ComputeMessageSize(1, Bb);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestMutualRecursionA ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestMutualRecursionA ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestMutualRecursionA ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestMutualRecursionA ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestMutualRecursionA ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestMutualRecursionA ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestMutualRecursionA ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static TestMutualRecursionA ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static TestMutualRecursionA ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestMutualRecursionA ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestMutualRecursionA prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestMutualRecursionA, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestMutualRecursionA result = new TestMutualRecursionA();
+      
+      protected override TestMutualRecursionA MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestMutualRecursionA();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA.Descriptor; }
+      }
+      
+      public override TestMutualRecursionA DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA.DefaultInstance; }
+      }
+      
+      public override TestMutualRecursionA BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        TestMutualRecursionA returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestMutualRecursionA) {
+          return MergeFrom((TestMutualRecursionA) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestMutualRecursionA other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA.DefaultInstance) return this;
+        if (other.HasBb) {
+          MergeBb(other.Bb);
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+            case 10: {
+              global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB.CreateBuilder();
+              if (HasBb) {
+                subBuilder.MergeFrom(Bb);
+              }
+              input.ReadMessage(subBuilder, extensionRegistry);
+              Bb = subBuilder.BuildPartial();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasBb {
+       get { return result.HasBb; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB Bb {
+        get { return result.Bb; }
+        set { SetBb(value); }
+      }
+      public Builder SetBb(global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasBb = true;
+        result.bb_ = value;
+        return this;
+      }
+      public Builder SetBb(global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.hasBb = true;
+        result.bb_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeBb(global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        if (result.HasBb &&
+            result.bb_ != global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB.DefaultInstance) {
+            result.bb_ = global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB.CreateBuilder(result.bb_).MergeFrom(value).BuildPartial();
+        } else {
+          result.bb_ = value;
+        }
+        result.hasBb = true;
+        return this;
+      }
+      public Builder ClearBb() {
+        result.hasBb = false;
+        result.bb_ = global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB.DefaultInstance;
+        return this;
+      }
+    }
+    static TestMutualRecursionA() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class TestMutualRecursionB : pb::GeneratedMessage<TestMutualRecursionB, TestMutualRecursionB.Builder> {
+    private static readonly TestMutualRecursionB defaultInstance = new Builder().BuildPartial();
+    public static TestMutualRecursionB DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestMutualRecursionB DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestMutualRecursionB ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestMutualRecursionB__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestMutualRecursionB, TestMutualRecursionB.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestMutualRecursionB__FieldAccessorTable; }
+    }
+    
+    public const int AFieldNumber = 1;
+    private bool hasA;
+    private global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA a_ = global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA.DefaultInstance;
+    public bool HasA {
+      get { return hasA; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA A {
+      get { return a_; }
+    }
+    
+    public const int OptionalInt32FieldNumber = 2;
+    private bool hasOptionalInt32;
+    private int optionalInt32_ = 0;
+    public bool HasOptionalInt32 {
+      get { return hasOptionalInt32; }
+    }
+    public int OptionalInt32 {
+      get { return optionalInt32_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      if (HasA) {
+        output.WriteMessage(1, A);
+      }
+      if (HasOptionalInt32) {
+        output.WriteInt32(2, OptionalInt32);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasA) {
+          size += pb::CodedOutputStream.ComputeMessageSize(1, A);
+        }
+        if (HasOptionalInt32) {
+          size += pb::CodedOutputStream.ComputeInt32Size(2, OptionalInt32);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestMutualRecursionB ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestMutualRecursionB ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestMutualRecursionB ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestMutualRecursionB ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestMutualRecursionB ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestMutualRecursionB ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestMutualRecursionB ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static TestMutualRecursionB ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static TestMutualRecursionB ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestMutualRecursionB ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestMutualRecursionB prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestMutualRecursionB, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestMutualRecursionB result = new TestMutualRecursionB();
+      
+      protected override TestMutualRecursionB MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestMutualRecursionB();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB.Descriptor; }
+      }
+      
+      public override TestMutualRecursionB DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB.DefaultInstance; }
+      }
+      
+      public override TestMutualRecursionB BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        TestMutualRecursionB returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestMutualRecursionB) {
+          return MergeFrom((TestMutualRecursionB) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestMutualRecursionB other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB.DefaultInstance) return this;
+        if (other.HasA) {
+          MergeA(other.A);
+        }
+        if (other.HasOptionalInt32) {
+          OptionalInt32 = other.OptionalInt32;
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+            case 10: {
+              global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA.CreateBuilder();
+              if (HasA) {
+                subBuilder.MergeFrom(A);
+              }
+              input.ReadMessage(subBuilder, extensionRegistry);
+              A = subBuilder.BuildPartial();
+              break;
+            }
+            case 16: {
+              OptionalInt32 = input.ReadInt32();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasA {
+       get { return result.HasA; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA A {
+        get { return result.A; }
+        set { SetA(value); }
+      }
+      public Builder SetA(global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasA = true;
+        result.a_ = value;
+        return this;
+      }
+      public Builder SetA(global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.hasA = true;
+        result.a_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeA(global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        if (result.HasA &&
+            result.a_ != global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA.DefaultInstance) {
+            result.a_ = global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA.CreateBuilder(result.a_).MergeFrom(value).BuildPartial();
+        } else {
+          result.a_ = value;
+        }
+        result.hasA = true;
+        return this;
+      }
+      public Builder ClearA() {
+        result.hasA = false;
+        result.a_ = global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA.DefaultInstance;
+        return this;
+      }
+      
+      public bool HasOptionalInt32 {
+        get { return result.HasOptionalInt32; }
+      }
+      public int OptionalInt32 {
+        get { return result.OptionalInt32; }
+        set { SetOptionalInt32(value); }
+      }
+      public Builder SetOptionalInt32(int value) {
+        result.hasOptionalInt32 = true;
+        result.optionalInt32_ = value;
+        return this;
+      }
+      public Builder ClearOptionalInt32() {
+        result.hasOptionalInt32 = false;
+        result.optionalInt32_ = 0;
+        return this;
+      }
+    }
+    static TestMutualRecursionB() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class TestDupFieldNumber : pb::GeneratedMessage<TestDupFieldNumber, TestDupFieldNumber.Builder> {
+    private static readonly TestDupFieldNumber defaultInstance = new Builder().BuildPartial();
+    public static TestDupFieldNumber DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestDupFieldNumber DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestDupFieldNumber ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestDupFieldNumber__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestDupFieldNumber, TestDupFieldNumber.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestDupFieldNumber__FieldAccessorTable; }
+    }
+    
+    #region Nested types
+    public static class Types {
+      public sealed partial class Foo : pb::GeneratedMessage<Foo, Foo.Builder> {
+        private static readonly Foo defaultInstance = new Builder().BuildPartial();
+        public static Foo DefaultInstance {
+          get { return defaultInstance; }
+        }
+        
+        public override Foo DefaultInstanceForType {
+          get { return defaultInstance; }
+        }
+        
+        protected override Foo ThisMessage {
+          get { return this; }
+        }
+        
+        public static pbd::MessageDescriptor Descriptor {
+          get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestDupFieldNumber_Foo__Descriptor; }
+        }
+        
+        protected override pb::FieldAccess.FieldAccessorTable<Foo, Foo.Builder> InternalFieldAccessors {
+          get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestDupFieldNumber_Foo__FieldAccessorTable; }
+        }
+        
+        public const int AFieldNumber = 1;
+        private bool hasA;
+        private int a_ = 0;
+        public bool HasA {
+          get { return hasA; }
+        }
+        public int A {
+          get { return a_; }
+        }
+        
+        public override bool IsInitialized {
+          get {
+            return true;
+          }
+        }
+        
+        public override void WriteTo(pb::CodedOutputStream output) {
+          int size = SerializedSize;
+          if (HasA) {
+            output.WriteInt32(1, A);
+          }
+          UnknownFields.WriteTo(output);
+        }
+        
+        private int memoizedSerializedSize = -1;
+        public override int SerializedSize {
+          get {
+            int size = memoizedSerializedSize;
+            if (size != -1) return size;
+            
+            size = 0;
+            if (HasA) {
+              size += pb::CodedOutputStream.ComputeInt32Size(1, A);
+            }
+            size += UnknownFields.SerializedSize;
+            memoizedSerializedSize = size;
+            return size;
+          }
+        }
+        
+        public static Foo ParseFrom(pb::ByteString data) {
+          return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+        }
+        public static Foo ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+        }
+        public static Foo ParseFrom(byte[] data) {
+          return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+        }
+        public static Foo ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+        }
+        public static Foo ParseFrom(global::System.IO.Stream input) {
+          return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+        }
+        public static Foo ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+        }
+        public static Foo ParseDelimitedFrom(global::System.IO.Stream input) {
+          return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+        }
+        public static Foo ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+          return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+        }
+        public static Foo ParseFrom(pb::CodedInputStream input) {
+          return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+        }
+        public static Foo ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+        }
+        public static Builder CreateBuilder() { return new Builder(); }
+        public override Builder ToBuilder() { return CreateBuilder(this); }
+        public override Builder CreateBuilderForType() { return new Builder(); }
+        public static Builder CreateBuilder(Foo prototype) {
+          return (Builder) new Builder().MergeFrom(prototype);
+        }
+        
+        public sealed partial class Builder : pb::GeneratedBuilder<Foo, Builder> {
+          protected override Builder ThisBuilder {
+            get { return this; }
+          }
+          public Builder() {}
+          
+          Foo result = new Foo();
+          
+          protected override Foo MessageBeingBuilt {
+            get { return result; }
+          }
+          
+          public override Builder Clear() {
+            result = new Foo();
+            return this;
+          }
+          
+          public override Builder Clone() {
+            return new Builder().MergeFrom(result);
+          }
+          
+          public override pbd::MessageDescriptor DescriptorForType {
+            get { return global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo.Descriptor; }
+          }
+          
+          public override Foo DefaultInstanceForType {
+            get { return global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo.DefaultInstance; }
+          }
+          
+          public override Foo BuildPartial() {
+            if (result == null) {
+              throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+            }
+            Foo returnMe = result;
+            result = null;
+            return returnMe;
+          }
+          
+          public override Builder MergeFrom(pb::IMessage other) {
+            if (other is Foo) {
+              return MergeFrom((Foo) other);
+            } else {
+              base.MergeFrom(other);
+              return this;
+            }
+          }
+          
+          public override Builder MergeFrom(Foo other) {
+            if (other == global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo.DefaultInstance) return this;
+            if (other.HasA) {
+              A = other.A;
+            }
+            this.MergeUnknownFields(other.UnknownFields);
+            return this;
+          }
+          
+          public override Builder MergeFrom(pb::CodedInputStream input) {
+            return MergeFrom(input, pb::ExtensionRegistry.Empty);
+          }
+          
+          public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+            pb::UnknownFieldSet.Builder unknownFields = null;
+            while (true) {
+              uint tag = input.ReadTag();
+              switch (tag) {
+                case 0: {
+                  if (unknownFields != null) {
+                    this.UnknownFields = unknownFields.Build();
+                  }
+                  return this;
+                }
+                default: {
+                  if (pb::WireFormat.IsEndGroupTag(tag)) {
+                    if (unknownFields != null) {
+                      this.UnknownFields = unknownFields.Build();
+                    }
+                    return this;
+                  }
+                  if (unknownFields == null) {
+                    unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+                  }
+                  ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+                  break;
+                }
+                case 8: {
+                  A = input.ReadInt32();
+                  break;
+                }
+              }
+            }
+          }
+          
+          
+          public bool HasA {
+            get { return result.HasA; }
+          }
+          public int A {
+            get { return result.A; }
+            set { SetA(value); }
+          }
+          public Builder SetA(int value) {
+            result.hasA = true;
+            result.a_ = value;
+            return this;
+          }
+          public Builder ClearA() {
+            result.hasA = false;
+            result.a_ = 0;
+            return this;
+          }
+        }
+        static Foo() {
+          object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+        }
+      }
+      
+      public sealed partial class Bar : pb::GeneratedMessage<Bar, Bar.Builder> {
+        private static readonly Bar defaultInstance = new Builder().BuildPartial();
+        public static Bar DefaultInstance {
+          get { return defaultInstance; }
+        }
+        
+        public override Bar DefaultInstanceForType {
+          get { return defaultInstance; }
+        }
+        
+        protected override Bar ThisMessage {
+          get { return this; }
+        }
+        
+        public static pbd::MessageDescriptor Descriptor {
+          get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestDupFieldNumber_Bar__Descriptor; }
+        }
+        
+        protected override pb::FieldAccess.FieldAccessorTable<Bar, Bar.Builder> InternalFieldAccessors {
+          get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestDupFieldNumber_Bar__FieldAccessorTable; }
+        }
+        
+        public const int AFieldNumber = 1;
+        private bool hasA;
+        private int a_ = 0;
+        public bool HasA {
+          get { return hasA; }
+        }
+        public int A {
+          get { return a_; }
+        }
+        
+        public override bool IsInitialized {
+          get {
+            return true;
+          }
+        }
+        
+        public override void WriteTo(pb::CodedOutputStream output) {
+          int size = SerializedSize;
+          if (HasA) {
+            output.WriteInt32(1, A);
+          }
+          UnknownFields.WriteTo(output);
+        }
+        
+        private int memoizedSerializedSize = -1;
+        public override int SerializedSize {
+          get {
+            int size = memoizedSerializedSize;
+            if (size != -1) return size;
+            
+            size = 0;
+            if (HasA) {
+              size += pb::CodedOutputStream.ComputeInt32Size(1, A);
+            }
+            size += UnknownFields.SerializedSize;
+            memoizedSerializedSize = size;
+            return size;
+          }
+        }
+        
+        public static Bar ParseFrom(pb::ByteString data) {
+          return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+        }
+        public static Bar ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+        }
+        public static Bar ParseFrom(byte[] data) {
+          return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+        }
+        public static Bar ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+        }
+        public static Bar ParseFrom(global::System.IO.Stream input) {
+          return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+        }
+        public static Bar ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+        }
+        public static Bar ParseDelimitedFrom(global::System.IO.Stream input) {
+          return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+        }
+        public static Bar ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+          return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+        }
+        public static Bar ParseFrom(pb::CodedInputStream input) {
+          return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+        }
+        public static Bar ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+        }
+        public static Builder CreateBuilder() { return new Builder(); }
+        public override Builder ToBuilder() { return CreateBuilder(this); }
+        public override Builder CreateBuilderForType() { return new Builder(); }
+        public static Builder CreateBuilder(Bar prototype) {
+          return (Builder) new Builder().MergeFrom(prototype);
+        }
+        
+        public sealed partial class Builder : pb::GeneratedBuilder<Bar, Builder> {
+          protected override Builder ThisBuilder {
+            get { return this; }
+          }
+          public Builder() {}
+          
+          Bar result = new Bar();
+          
+          protected override Bar MessageBeingBuilt {
+            get { return result; }
+          }
+          
+          public override Builder Clear() {
+            result = new Bar();
+            return this;
+          }
+          
+          public override Builder Clone() {
+            return new Builder().MergeFrom(result);
+          }
+          
+          public override pbd::MessageDescriptor DescriptorForType {
+            get { return global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar.Descriptor; }
+          }
+          
+          public override Bar DefaultInstanceForType {
+            get { return global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar.DefaultInstance; }
+          }
+          
+          public override Bar BuildPartial() {
+            if (result == null) {
+              throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+            }
+            Bar returnMe = result;
+            result = null;
+            return returnMe;
+          }
+          
+          public override Builder MergeFrom(pb::IMessage other) {
+            if (other is Bar) {
+              return MergeFrom((Bar) other);
+            } else {
+              base.MergeFrom(other);
+              return this;
+            }
+          }
+          
+          public override Builder MergeFrom(Bar other) {
+            if (other == global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar.DefaultInstance) return this;
+            if (other.HasA) {
+              A = other.A;
+            }
+            this.MergeUnknownFields(other.UnknownFields);
+            return this;
+          }
+          
+          public override Builder MergeFrom(pb::CodedInputStream input) {
+            return MergeFrom(input, pb::ExtensionRegistry.Empty);
+          }
+          
+          public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+            pb::UnknownFieldSet.Builder unknownFields = null;
+            while (true) {
+              uint tag = input.ReadTag();
+              switch (tag) {
+                case 0: {
+                  if (unknownFields != null) {
+                    this.UnknownFields = unknownFields.Build();
+                  }
+                  return this;
+                }
+                default: {
+                  if (pb::WireFormat.IsEndGroupTag(tag)) {
+                    if (unknownFields != null) {
+                      this.UnknownFields = unknownFields.Build();
+                    }
+                    return this;
+                  }
+                  if (unknownFields == null) {
+                    unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+                  }
+                  ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+                  break;
+                }
+                case 8: {
+                  A = input.ReadInt32();
+                  break;
+                }
+              }
+            }
+          }
+          
+          
+          public bool HasA {
+            get { return result.HasA; }
+          }
+          public int A {
+            get { return result.A; }
+            set { SetA(value); }
+          }
+          public Builder SetA(int value) {
+            result.hasA = true;
+            result.a_ = value;
+            return this;
+          }
+          public Builder ClearA() {
+            result.hasA = false;
+            result.a_ = 0;
+            return this;
+          }
+        }
+        static Bar() {
+          object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+        }
+      }
+      
+    }
+    #endregion
+    
+    public const int AFieldNumber = 1;
+    private bool hasA;
+    private int a_ = 0;
+    public bool HasA {
+      get { return hasA; }
+    }
+    public int A {
+      get { return a_; }
+    }
+    
+    public const int FooFieldNumber = 2;
+    private bool hasFoo;
+    private global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo foo_ = global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo.DefaultInstance;
+    public bool HasFoo {
+      get { return hasFoo; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo Foo {
+      get { return foo_; }
+    }
+    
+    public const int BarFieldNumber = 3;
+    private bool hasBar;
+    private global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar bar_ = global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar.DefaultInstance;
+    public bool HasBar {
+      get { return hasBar; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar Bar {
+      get { return bar_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      if (HasA) {
+        output.WriteInt32(1, A);
+      }
+      if (HasFoo) {
+        output.WriteGroup(2, Foo);
+      }
+      if (HasBar) {
+        output.WriteGroup(3, Bar);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasA) {
+          size += pb::CodedOutputStream.ComputeInt32Size(1, A);
+        }
+        if (HasFoo) {
+          size += pb::CodedOutputStream.ComputeGroupSize(2, Foo);
+        }
+        if (HasBar) {
+          size += pb::CodedOutputStream.ComputeGroupSize(3, Bar);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestDupFieldNumber ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestDupFieldNumber ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestDupFieldNumber ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestDupFieldNumber ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestDupFieldNumber ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestDupFieldNumber ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestDupFieldNumber ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static TestDupFieldNumber ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static TestDupFieldNumber ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestDupFieldNumber ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestDupFieldNumber prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestDupFieldNumber, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestDupFieldNumber result = new TestDupFieldNumber();
+      
+      protected override TestDupFieldNumber MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestDupFieldNumber();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Descriptor; }
+      }
+      
+      public override TestDupFieldNumber DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.DefaultInstance; }
+      }
+      
+      public override TestDupFieldNumber BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        TestDupFieldNumber returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestDupFieldNumber) {
+          return MergeFrom((TestDupFieldNumber) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestDupFieldNumber other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.DefaultInstance) return this;
+        if (other.HasA) {
+          A = other.A;
+        }
+        if (other.HasFoo) {
+          MergeFoo(other.Foo);
+        }
+        if (other.HasBar) {
+          MergeBar(other.Bar);
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+            case 8: {
+              A = input.ReadInt32();
+              break;
+            }
+            case 19: {
+              global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo.CreateBuilder();
+              if (HasFoo) {
+                subBuilder.MergeFrom(Foo);
+              }
+              input.ReadGroup(2, subBuilder, extensionRegistry);
+              Foo = subBuilder.BuildPartial();
+              break;
+            }
+            case 27: {
+              global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar.CreateBuilder();
+              if (HasBar) {
+                subBuilder.MergeFrom(Bar);
+              }
+              input.ReadGroup(3, subBuilder, extensionRegistry);
+              Bar = subBuilder.BuildPartial();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasA {
+        get { return result.HasA; }
+      }
+      public int A {
+        get { return result.A; }
+        set { SetA(value); }
+      }
+      public Builder SetA(int value) {
+        result.hasA = true;
+        result.a_ = value;
+        return this;
+      }
+      public Builder ClearA() {
+        result.hasA = false;
+        result.a_ = 0;
+        return this;
+      }
+      
+      public bool HasFoo {
+       get { return result.HasFoo; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo Foo {
+        get { return result.Foo; }
+        set { SetFoo(value); }
+      }
+      public Builder SetFoo(global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasFoo = true;
+        result.foo_ = value;
+        return this;
+      }
+      public Builder SetFoo(global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.hasFoo = true;
+        result.foo_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeFoo(global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        if (result.HasFoo &&
+            result.foo_ != global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo.DefaultInstance) {
+            result.foo_ = global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo.CreateBuilder(result.foo_).MergeFrom(value).BuildPartial();
+        } else {
+          result.foo_ = value;
+        }
+        result.hasFoo = true;
+        return this;
+      }
+      public Builder ClearFoo() {
+        result.hasFoo = false;
+        result.foo_ = global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo.DefaultInstance;
+        return this;
+      }
+      
+      public bool HasBar {
+       get { return result.HasBar; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar Bar {
+        get { return result.Bar; }
+        set { SetBar(value); }
+      }
+      public Builder SetBar(global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasBar = true;
+        result.bar_ = value;
+        return this;
+      }
+      public Builder SetBar(global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.hasBar = true;
+        result.bar_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeBar(global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        if (result.HasBar &&
+            result.bar_ != global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar.DefaultInstance) {
+            result.bar_ = global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar.CreateBuilder(result.bar_).MergeFrom(value).BuildPartial();
+        } else {
+          result.bar_ = value;
+        }
+        result.hasBar = true;
+        return this;
+      }
+      public Builder ClearBar() {
+        result.hasBar = false;
+        result.bar_ = global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar.DefaultInstance;
+        return this;
+      }
+    }
+    static TestDupFieldNumber() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class TestNestedMessageHasBits : pb::GeneratedMessage<TestNestedMessageHasBits, TestNestedMessageHasBits.Builder> {
+    private static readonly TestNestedMessageHasBits defaultInstance = new Builder().BuildPartial();
+    public static TestNestedMessageHasBits DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestNestedMessageHasBits DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestNestedMessageHasBits ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestNestedMessageHasBits__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestNestedMessageHasBits, TestNestedMessageHasBits.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestNestedMessageHasBits__FieldAccessorTable; }
+    }
+    
+    #region Nested types
+    public static class Types {
+      public sealed partial class NestedMessage : pb::GeneratedMessage<NestedMessage, NestedMessage.Builder> {
+        private static readonly NestedMessage defaultInstance = new Builder().BuildPartial();
+        public static NestedMessage DefaultInstance {
+          get { return defaultInstance; }
+        }
+        
+        public override NestedMessage DefaultInstanceForType {
+          get { return defaultInstance; }
+        }
+        
+        protected override NestedMessage ThisMessage {
+          get { return this; }
+        }
+        
+        public static pbd::MessageDescriptor Descriptor {
+          get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestNestedMessageHasBits_NestedMessage__Descriptor; }
+        }
+        
+        protected override pb::FieldAccess.FieldAccessorTable<NestedMessage, NestedMessage.Builder> InternalFieldAccessors {
+          get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestNestedMessageHasBits_NestedMessage__FieldAccessorTable; }
+        }
+        
+        public const int NestedmessageRepeatedInt32FieldNumber = 1;
+        private pbc::PopsicleList<int> nestedmessageRepeatedInt32_ = new pbc::PopsicleList<int>();
+        public scg::IList<int> NestedmessageRepeatedInt32List {
+          get { return pbc::Lists.AsReadOnly(nestedmessageRepeatedInt32_); }
+        }
+        public int NestedmessageRepeatedInt32Count {
+          get { return nestedmessageRepeatedInt32_.Count; }
+        }
+        public int GetNestedmessageRepeatedInt32(int index) {
+          return nestedmessageRepeatedInt32_[index];
+        }
+        
+        public const int NestedmessageRepeatedForeignmessageFieldNumber = 2;
+        private pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> nestedmessageRepeatedForeignmessage_ = new pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage>();
+        public scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> NestedmessageRepeatedForeignmessageList {
+          get { return nestedmessageRepeatedForeignmessage_; }
+        }
+        public int NestedmessageRepeatedForeignmessageCount {
+          get { return nestedmessageRepeatedForeignmessage_.Count; }
+        }
+        public global::Google.ProtocolBuffers.TestProtos.ForeignMessage GetNestedmessageRepeatedForeignmessage(int index) {
+          return nestedmessageRepeatedForeignmessage_[index];
+        }
+        
+        public override bool IsInitialized {
+          get {
+            return true;
+          }
+        }
+        
+        public override void WriteTo(pb::CodedOutputStream output) {
+          int size = SerializedSize;
+          if (nestedmessageRepeatedInt32_.Count > 0) {
+            foreach (int element in nestedmessageRepeatedInt32_) {
+              output.WriteInt32(1, element);
+            }
+          }
+          foreach (global::Google.ProtocolBuffers.TestProtos.ForeignMessage element in NestedmessageRepeatedForeignmessageList) {
+            output.WriteMessage(2, element);
+          }
+          UnknownFields.WriteTo(output);
+        }
+        
+        private int memoizedSerializedSize = -1;
+        public override int SerializedSize {
+          get {
+            int size = memoizedSerializedSize;
+            if (size != -1) return size;
+            
+            size = 0;
+            {
+              int dataSize = 0;
+              foreach (int element in NestedmessageRepeatedInt32List) {
+                dataSize += pb::CodedOutputStream.ComputeInt32SizeNoTag(element);
+              }
+              size += dataSize;
+              size += 1 * nestedmessageRepeatedInt32_.Count;
+            }
+            foreach (global::Google.ProtocolBuffers.TestProtos.ForeignMessage element in NestedmessageRepeatedForeignmessageList) {
+              size += pb::CodedOutputStream.ComputeMessageSize(2, element);
+            }
+            size += UnknownFields.SerializedSize;
+            memoizedSerializedSize = size;
+            return size;
+          }
+        }
+        
+        public static NestedMessage ParseFrom(pb::ByteString data) {
+          return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(byte[] data) {
+          return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(global::System.IO.Stream input) {
+          return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+        }
+        public static NestedMessage ParseDelimitedFrom(global::System.IO.Stream input) {
+          return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+        }
+        public static NestedMessage ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+          return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(pb::CodedInputStream input) {
+          return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+        }
+        public static Builder CreateBuilder() { return new Builder(); }
+        public override Builder ToBuilder() { return CreateBuilder(this); }
+        public override Builder CreateBuilderForType() { return new Builder(); }
+        public static Builder CreateBuilder(NestedMessage prototype) {
+          return (Builder) new Builder().MergeFrom(prototype);
+        }
+        
+        public sealed partial class Builder : pb::GeneratedBuilder<NestedMessage, Builder> {
+          protected override Builder ThisBuilder {
+            get { return this; }
+          }
+          public Builder() {}
+          
+          NestedMessage result = new NestedMessage();
+          
+          protected override NestedMessage MessageBeingBuilt {
+            get { return result; }
+          }
+          
+          public override Builder Clear() {
+            result = new NestedMessage();
+            return this;
+          }
+          
+          public override Builder Clone() {
+            return new Builder().MergeFrom(result);
+          }
+          
+          public override pbd::MessageDescriptor DescriptorForType {
+            get { return global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage.Descriptor; }
+          }
+          
+          public override NestedMessage DefaultInstanceForType {
+            get { return global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage.DefaultInstance; }
+          }
+          
+          public override NestedMessage BuildPartial() {
+            if (result == null) {
+              throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+            }
+            result.nestedmessageRepeatedInt32_.MakeReadOnly();
+            result.nestedmessageRepeatedForeignmessage_.MakeReadOnly();
+            NestedMessage returnMe = result;
+            result = null;
+            return returnMe;
+          }
+          
+          public override Builder MergeFrom(pb::IMessage other) {
+            if (other is NestedMessage) {
+              return MergeFrom((NestedMessage) other);
+            } else {
+              base.MergeFrom(other);
+              return this;
+            }
+          }
+          
+          public override Builder MergeFrom(NestedMessage other) {
+            if (other == global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage.DefaultInstance) return this;
+            if (other.nestedmessageRepeatedInt32_.Count != 0) {
+              base.AddRange(other.nestedmessageRepeatedInt32_, result.nestedmessageRepeatedInt32_);
+            }
+            if (other.nestedmessageRepeatedForeignmessage_.Count != 0) {
+              base.AddRange(other.nestedmessageRepeatedForeignmessage_, result.nestedmessageRepeatedForeignmessage_);
+            }
+            this.MergeUnknownFields(other.UnknownFields);
+            return this;
+          }
+          
+          public override Builder MergeFrom(pb::CodedInputStream input) {
+            return MergeFrom(input, pb::ExtensionRegistry.Empty);
+          }
+          
+          public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+            pb::UnknownFieldSet.Builder unknownFields = null;
+            while (true) {
+              uint tag = input.ReadTag();
+              switch (tag) {
+                case 0: {
+                  if (unknownFields != null) {
+                    this.UnknownFields = unknownFields.Build();
+                  }
+                  return this;
+                }
+                default: {
+                  if (pb::WireFormat.IsEndGroupTag(tag)) {
+                    if (unknownFields != null) {
+                      this.UnknownFields = unknownFields.Build();
+                    }
+                    return this;
+                  }
+                  if (unknownFields == null) {
+                    unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+                  }
+                  ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+                  break;
+                }
+                case 8: {
+                  AddNestedmessageRepeatedInt32(input.ReadInt32());
+                  break;
+                }
+                case 18: {
+                  global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.ForeignMessage.CreateBuilder();
+                  input.ReadMessage(subBuilder, extensionRegistry);
+                  AddNestedmessageRepeatedForeignmessage(subBuilder.BuildPartial());
+                  break;
+                }
+              }
+            }
+          }
+          
+          
+          public pbc::IPopsicleList<int> NestedmessageRepeatedInt32List {
+            get { return result.nestedmessageRepeatedInt32_; }
+          }
+          public int NestedmessageRepeatedInt32Count {
+            get { return result.NestedmessageRepeatedInt32Count; }
+          }
+          public int GetNestedmessageRepeatedInt32(int index) {
+            return result.GetNestedmessageRepeatedInt32(index);
+          }
+          public Builder SetNestedmessageRepeatedInt32(int index, int value) {
+            result.nestedmessageRepeatedInt32_[index] = value;
+            return this;
+          }
+          public Builder AddNestedmessageRepeatedInt32(int value) {
+            result.nestedmessageRepeatedInt32_.Add(value);
+            return this;
+          }
+          public Builder AddRangeNestedmessageRepeatedInt32(scg::IEnumerable<int> values) {
+            base.AddRange(values, result.nestedmessageRepeatedInt32_);
+            return this;
+          }
+          public Builder ClearNestedmessageRepeatedInt32() {
+            result.nestedmessageRepeatedInt32_.Clear();
+            return this;
+          }
+          
+          public pbc::IPopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> NestedmessageRepeatedForeignmessageList {
+            get { return result.nestedmessageRepeatedForeignmessage_; }
+          }
+          public int NestedmessageRepeatedForeignmessageCount {
+            get { return result.NestedmessageRepeatedForeignmessageCount; }
+          }
+          public global::Google.ProtocolBuffers.TestProtos.ForeignMessage GetNestedmessageRepeatedForeignmessage(int index) {
+            return result.GetNestedmessageRepeatedForeignmessage(index);
+          }
+          public Builder SetNestedmessageRepeatedForeignmessage(int index, global::Google.ProtocolBuffers.TestProtos.ForeignMessage value) {
+            pb::ThrowHelper.ThrowIfNull(value, "value");
+            result.nestedmessageRepeatedForeignmessage_[index] = value;
+            return this;
+          }
+          public Builder SetNestedmessageRepeatedForeignmessage(int index, global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder builderForValue) {
+            pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+            result.nestedmessageRepeatedForeignmessage_[index] = builderForValue.Build();
+            return this;
+          }
+          public Builder AddNestedmessageRepeatedForeignmessage(global::Google.ProtocolBuffers.TestProtos.ForeignMessage value) {
+            pb::ThrowHelper.ThrowIfNull(value, "value");
+            result.nestedmessageRepeatedForeignmessage_.Add(value);
+            return this;
+          }
+          public Builder AddNestedmessageRepeatedForeignmessage(global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder builderForValue) {
+            pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+            result.nestedmessageRepeatedForeignmessage_.Add(builderForValue.Build());
+            return this;
+          }
+          public Builder AddRangeNestedmessageRepeatedForeignmessage(scg::IEnumerable<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> values) {
+            base.AddRange(values, result.nestedmessageRepeatedForeignmessage_);
+            return this;
+          }
+          public Builder ClearNestedmessageRepeatedForeignmessage() {
+            result.nestedmessageRepeatedForeignmessage_.Clear();
+            return this;
+          }
+        }
+        static NestedMessage() {
+          object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+        }
+      }
+      
+    }
+    #endregion
+    
+    public const int OptionalNestedMessageFieldNumber = 1;
+    private bool hasOptionalNestedMessage;
+    private global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage optionalNestedMessage_ = global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage.DefaultInstance;
+    public bool HasOptionalNestedMessage {
+      get { return hasOptionalNestedMessage; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage OptionalNestedMessage {
+      get { return optionalNestedMessage_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      if (HasOptionalNestedMessage) {
+        output.WriteMessage(1, OptionalNestedMessage);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasOptionalNestedMessage) {
+          size += pb::CodedOutputStream.ComputeMessageSize(1, OptionalNestedMessage);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestNestedMessageHasBits ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestNestedMessageHasBits ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestNestedMessageHasBits ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestNestedMessageHasBits ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestNestedMessageHasBits ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestNestedMessageHasBits ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestNestedMessageHasBits ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static TestNestedMessageHasBits ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static TestNestedMessageHasBits ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestNestedMessageHasBits ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestNestedMessageHasBits prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestNestedMessageHasBits, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestNestedMessageHasBits result = new TestNestedMessageHasBits();
+      
+      protected override TestNestedMessageHasBits MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestNestedMessageHasBits();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Descriptor; }
+      }
+      
+      public override TestNestedMessageHasBits DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.DefaultInstance; }
+      }
+      
+      public override TestNestedMessageHasBits BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        TestNestedMessageHasBits returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestNestedMessageHasBits) {
+          return MergeFrom((TestNestedMessageHasBits) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestNestedMessageHasBits other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.DefaultInstance) return this;
+        if (other.HasOptionalNestedMessage) {
+          MergeOptionalNestedMessage(other.OptionalNestedMessage);
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+            case 10: {
+              global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage.CreateBuilder();
+              if (HasOptionalNestedMessage) {
+                subBuilder.MergeFrom(OptionalNestedMessage);
+              }
+              input.ReadMessage(subBuilder, extensionRegistry);
+              OptionalNestedMessage = subBuilder.BuildPartial();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasOptionalNestedMessage {
+       get { return result.HasOptionalNestedMessage; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage OptionalNestedMessage {
+        get { return result.OptionalNestedMessage; }
+        set { SetOptionalNestedMessage(value); }
+      }
+      public Builder SetOptionalNestedMessage(global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasOptionalNestedMessage = true;
+        result.optionalNestedMessage_ = value;
+        return this;
+      }
+      public Builder SetOptionalNestedMessage(global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.hasOptionalNestedMessage = true;
+        result.optionalNestedMessage_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeOptionalNestedMessage(global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        if (result.HasOptionalNestedMessage &&
+            result.optionalNestedMessage_ != global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage.DefaultInstance) {
+            result.optionalNestedMessage_ = global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage.CreateBuilder(result.optionalNestedMessage_).MergeFrom(value).BuildPartial();
+        } else {
+          result.optionalNestedMessage_ = value;
+        }
+        result.hasOptionalNestedMessage = true;
+        return this;
+      }
+      public Builder ClearOptionalNestedMessage() {
+        result.hasOptionalNestedMessage = false;
+        result.optionalNestedMessage_ = global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage.DefaultInstance;
+        return this;
+      }
+    }
+    static TestNestedMessageHasBits() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class TestCamelCaseFieldNames : pb::GeneratedMessage<TestCamelCaseFieldNames, TestCamelCaseFieldNames.Builder> {
+    private static readonly TestCamelCaseFieldNames defaultInstance = new Builder().BuildPartial();
+    public static TestCamelCaseFieldNames DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestCamelCaseFieldNames DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestCamelCaseFieldNames ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestCamelCaseFieldNames__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestCamelCaseFieldNames, TestCamelCaseFieldNames.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestCamelCaseFieldNames__FieldAccessorTable; }
+    }
+    
+    public const int PrimitiveFieldFieldNumber = 1;
+    private bool hasPrimitiveField;
+    private int primitiveField_ = 0;
+    public bool HasPrimitiveField {
+      get { return hasPrimitiveField; }
+    }
+    public int PrimitiveField {
+      get { return primitiveField_; }
+    }
+    
+    public const int StringFieldFieldNumber = 2;
+    private bool hasStringField;
+    private string stringField_ = "";
+    public bool HasStringField {
+      get { return hasStringField; }
+    }
+    public string StringField {
+      get { return stringField_; }
+    }
+    
+    public const int EnumFieldFieldNumber = 3;
+    private bool hasEnumField;
+    private global::Google.ProtocolBuffers.TestProtos.ForeignEnum enumField_ = global::Google.ProtocolBuffers.TestProtos.ForeignEnum.FOREIGN_FOO;
+    public bool HasEnumField {
+      get { return hasEnumField; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ForeignEnum EnumField {
+      get { return enumField_; }
+    }
+    
+    public const int MessageFieldFieldNumber = 4;
+    private bool hasMessageField;
+    private global::Google.ProtocolBuffers.TestProtos.ForeignMessage messageField_ = global::Google.ProtocolBuffers.TestProtos.ForeignMessage.DefaultInstance;
+    public bool HasMessageField {
+      get { return hasMessageField; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ForeignMessage MessageField {
+      get { return messageField_; }
+    }
+    
+    public const int StringPieceFieldFieldNumber = 5;
+    private bool hasStringPieceField;
+    private string stringPieceField_ = "";
+    public bool HasStringPieceField {
+      get { return hasStringPieceField; }
+    }
+    public string StringPieceField {
+      get { return stringPieceField_; }
+    }
+    
+    public const int CordFieldFieldNumber = 6;
+    private bool hasCordField;
+    private string cordField_ = "";
+    public bool HasCordField {
+      get { return hasCordField; }
+    }
+    public string CordField {
+      get { return cordField_; }
+    }
+    
+    public const int RepeatedPrimitiveFieldFieldNumber = 7;
+    private pbc::PopsicleList<int> repeatedPrimitiveField_ = new pbc::PopsicleList<int>();
+    public scg::IList<int> RepeatedPrimitiveFieldList {
+      get { return pbc::Lists.AsReadOnly(repeatedPrimitiveField_); }
+    }
+    public int RepeatedPrimitiveFieldCount {
+      get { return repeatedPrimitiveField_.Count; }
+    }
+    public int GetRepeatedPrimitiveField(int index) {
+      return repeatedPrimitiveField_[index];
+    }
+    
+    public const int RepeatedStringFieldFieldNumber = 8;
+    private pbc::PopsicleList<string> repeatedStringField_ = new pbc::PopsicleList<string>();
+    public scg::IList<string> RepeatedStringFieldList {
+      get { return pbc::Lists.AsReadOnly(repeatedStringField_); }
+    }
+    public int RepeatedStringFieldCount {
+      get { return repeatedStringField_.Count; }
+    }
+    public string GetRepeatedStringField(int index) {
+      return repeatedStringField_[index];
+    }
+    
+    public const int RepeatedEnumFieldFieldNumber = 9;
+    private pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> repeatedEnumField_ = new pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum>();
+    public scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> RepeatedEnumFieldList {
+      get { return pbc::Lists.AsReadOnly(repeatedEnumField_); }
+    }
+    public int RepeatedEnumFieldCount {
+      get { return repeatedEnumField_.Count; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ForeignEnum GetRepeatedEnumField(int index) {
+      return repeatedEnumField_[index];
+    }
+    
+    public const int RepeatedMessageFieldFieldNumber = 10;
+    private pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> repeatedMessageField_ = new pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage>();
+    public scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> RepeatedMessageFieldList {
+      get { return repeatedMessageField_; }
+    }
+    public int RepeatedMessageFieldCount {
+      get { return repeatedMessageField_.Count; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ForeignMessage GetRepeatedMessageField(int index) {
+      return repeatedMessageField_[index];
+    }
+    
+    public const int RepeatedStringPieceFieldFieldNumber = 11;
+    private pbc::PopsicleList<string> repeatedStringPieceField_ = new pbc::PopsicleList<string>();
+    public scg::IList<string> RepeatedStringPieceFieldList {
+      get { return pbc::Lists.AsReadOnly(repeatedStringPieceField_); }
+    }
+    public int RepeatedStringPieceFieldCount {
+      get { return repeatedStringPieceField_.Count; }
+    }
+    public string GetRepeatedStringPieceField(int index) {
+      return repeatedStringPieceField_[index];
+    }
+    
+    public const int RepeatedCordFieldFieldNumber = 12;
+    private pbc::PopsicleList<string> repeatedCordField_ = new pbc::PopsicleList<string>();
+    public scg::IList<string> RepeatedCordFieldList {
+      get { return pbc::Lists.AsReadOnly(repeatedCordField_); }
+    }
+    public int RepeatedCordFieldCount {
+      get { return repeatedCordField_.Count; }
+    }
+    public string GetRepeatedCordField(int index) {
+      return repeatedCordField_[index];
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      if (HasPrimitiveField) {
+        output.WriteInt32(1, PrimitiveField);
+      }
+      if (HasStringField) {
+        output.WriteString(2, StringField);
+      }
+      if (HasEnumField) {
+        output.WriteEnum(3, (int) EnumField);
+      }
+      if (HasMessageField) {
+        output.WriteMessage(4, MessageField);
+      }
+      if (HasStringPieceField) {
+        output.WriteString(5, StringPieceField);
+      }
+      if (HasCordField) {
+        output.WriteString(6, CordField);
+      }
+      if (repeatedPrimitiveField_.Count > 0) {
+        foreach (int element in repeatedPrimitiveField_) {
+          output.WriteInt32(7, element);
+        }
+      }
+      if (repeatedStringField_.Count > 0) {
+        foreach (string element in repeatedStringField_) {
+          output.WriteString(8, element);
+        }
+      }
+      if (repeatedEnumField_.Count > 0) {
+        foreach (int element in repeatedEnumField_) {
+          output.WriteEnum(9, element);
+        }
+      }
+      foreach (global::Google.ProtocolBuffers.TestProtos.ForeignMessage element in RepeatedMessageFieldList) {
+        output.WriteMessage(10, element);
+      }
+      if (repeatedStringPieceField_.Count > 0) {
+        foreach (string element in repeatedStringPieceField_) {
+          output.WriteString(11, element);
+        }
+      }
+      if (repeatedCordField_.Count > 0) {
+        foreach (string element in repeatedCordField_) {
+          output.WriteString(12, element);
+        }
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasPrimitiveField) {
+          size += pb::CodedOutputStream.ComputeInt32Size(1, PrimitiveField);
+        }
+        if (HasStringField) {
+          size += pb::CodedOutputStream.ComputeStringSize(2, StringField);
+        }
+        if (HasEnumField) {
+          size += pb::CodedOutputStream.ComputeEnumSize(3, (int) EnumField);
+        }
+        if (HasMessageField) {
+          size += pb::CodedOutputStream.ComputeMessageSize(4, MessageField);
+        }
+        if (HasStringPieceField) {
+          size += pb::CodedOutputStream.ComputeStringSize(5, StringPieceField);
+        }
+        if (HasCordField) {
+          size += pb::CodedOutputStream.ComputeStringSize(6, CordField);
+        }
+        {
+          int dataSize = 0;
+          foreach (int element in RepeatedPrimitiveFieldList) {
+            dataSize += pb::CodedOutputStream.ComputeInt32SizeNoTag(element);
+          }
+          size += dataSize;
+          size += 1 * repeatedPrimitiveField_.Count;
+        }
+        {
+          int dataSize = 0;
+          foreach (string element in RepeatedStringFieldList) {
+            dataSize += pb::CodedOutputStream.ComputeStringSizeNoTag(element);
+          }
+          size += dataSize;
+          size += 1 * repeatedStringField_.Count;
+        }
+        {
+          int dataSize = 0;
+          if (repeatedEnumField_.Count > 0) {
+            foreach (global::Google.ProtocolBuffers.TestProtos.ForeignEnum element in repeatedEnumField_) {
+              dataSize += pb::CodedOutputStream.ComputeEnumSizeNoTag((int) element);
+            }
+            size += dataSize;
+            size += 1 * repeatedEnumField_.Count;
+          }
+        }
+        foreach (global::Google.ProtocolBuffers.TestProtos.ForeignMessage element in RepeatedMessageFieldList) {
+          size += pb::CodedOutputStream.ComputeMessageSize(10, element);
+        }
+        {
+          int dataSize = 0;
+          foreach (string element in RepeatedStringPieceFieldList) {
+            dataSize += pb::CodedOutputStream.ComputeStringSizeNoTag(element);
+          }
+          size += dataSize;
+          size += 1 * repeatedStringPieceField_.Count;
+        }
+        {
+          int dataSize = 0;
+          foreach (string element in RepeatedCordFieldList) {
+            dataSize += pb::CodedOutputStream.ComputeStringSizeNoTag(element);
+          }
+          size += dataSize;
+          size += 1 * repeatedCordField_.Count;
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestCamelCaseFieldNames ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestCamelCaseFieldNames ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestCamelCaseFieldNames ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestCamelCaseFieldNames ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestCamelCaseFieldNames ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestCamelCaseFieldNames ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestCamelCaseFieldNames ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static TestCamelCaseFieldNames ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static TestCamelCaseFieldNames ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestCamelCaseFieldNames ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestCamelCaseFieldNames prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestCamelCaseFieldNames, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestCamelCaseFieldNames result = new TestCamelCaseFieldNames();
+      
+      protected override TestCamelCaseFieldNames MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestCamelCaseFieldNames();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestCamelCaseFieldNames.Descriptor; }
+      }
+      
+      public override TestCamelCaseFieldNames DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestCamelCaseFieldNames.DefaultInstance; }
+      }
+      
+      public override TestCamelCaseFieldNames BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        result.repeatedPrimitiveField_.MakeReadOnly();
+        result.repeatedStringField_.MakeReadOnly();
+        result.repeatedEnumField_.MakeReadOnly();
+        result.repeatedMessageField_.MakeReadOnly();
+        result.repeatedStringPieceField_.MakeReadOnly();
+        result.repeatedCordField_.MakeReadOnly();
+        TestCamelCaseFieldNames returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestCamelCaseFieldNames) {
+          return MergeFrom((TestCamelCaseFieldNames) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestCamelCaseFieldNames other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.TestCamelCaseFieldNames.DefaultInstance) return this;
+        if (other.HasPrimitiveField) {
+          PrimitiveField = other.PrimitiveField;
+        }
+        if (other.HasStringField) {
+          StringField = other.StringField;
+        }
+        if (other.HasEnumField) {
+          EnumField = other.EnumField;
+        }
+        if (other.HasMessageField) {
+          MergeMessageField(other.MessageField);
+        }
+        if (other.HasStringPieceField) {
+          StringPieceField = other.StringPieceField;
+        }
+        if (other.HasCordField) {
+          CordField = other.CordField;
+        }
+        if (other.repeatedPrimitiveField_.Count != 0) {
+          base.AddRange(other.repeatedPrimitiveField_, result.repeatedPrimitiveField_);
+        }
+        if (other.repeatedStringField_.Count != 0) {
+          base.AddRange(other.repeatedStringField_, result.repeatedStringField_);
+        }
+        if (other.repeatedEnumField_.Count != 0) {
+          base.AddRange(other.repeatedEnumField_, result.repeatedEnumField_);
+        }
+        if (other.repeatedMessageField_.Count != 0) {
+          base.AddRange(other.repeatedMessageField_, result.repeatedMessageField_);
+        }
+        if (other.repeatedStringPieceField_.Count != 0) {
+          base.AddRange(other.repeatedStringPieceField_, result.repeatedStringPieceField_);
+        }
+        if (other.repeatedCordField_.Count != 0) {
+          base.AddRange(other.repeatedCordField_, result.repeatedCordField_);
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+            case 8: {
+              PrimitiveField = input.ReadInt32();
+              break;
+            }
+            case 18: {
+              StringField = input.ReadString();
+              break;
+            }
+            case 24: {
+              int rawValue = input.ReadEnum();
+              if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.ForeignEnum), rawValue)) {
+                if (unknownFields == null) {
+                  unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+                }
+                unknownFields.MergeVarintField(3, (ulong) rawValue);
+              } else {
+                EnumField = (global::Google.ProtocolBuffers.TestProtos.ForeignEnum) rawValue;
+              }
+              break;
+            }
+            case 34: {
+              global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.ForeignMessage.CreateBuilder();
+              if (HasMessageField) {
+                subBuilder.MergeFrom(MessageField);
+              }
+              input.ReadMessage(subBuilder, extensionRegistry);
+              MessageField = subBuilder.BuildPartial();
+              break;
+            }
+            case 42: {
+              StringPieceField = input.ReadString();
+              break;
+            }
+            case 50: {
+              CordField = input.ReadString();
+              break;
+            }
+            case 56: {
+              AddRepeatedPrimitiveField(input.ReadInt32());
+              break;
+            }
+            case 66: {
+              AddRepeatedStringField(input.ReadString());
+              break;
+            }
+            case 72: {
+              int rawValue = input.ReadEnum();
+              if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.ForeignEnum), rawValue)) {
+                if (unknownFields == null) {
+                  unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+                }
+                unknownFields.MergeVarintField(9, (ulong) rawValue);
+              } else {
+                AddRepeatedEnumField((global::Google.ProtocolBuffers.TestProtos.ForeignEnum) rawValue);
+              }
+              break;
+            }
+            case 82: {
+              global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.ForeignMessage.CreateBuilder();
+              input.ReadMessage(subBuilder, extensionRegistry);
+              AddRepeatedMessageField(subBuilder.BuildPartial());
+              break;
+            }
+            case 90: {
+              AddRepeatedStringPieceField(input.ReadString());
+              break;
+            }
+            case 98: {
+              AddRepeatedCordField(input.ReadString());
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasPrimitiveField {
+        get { return result.HasPrimitiveField; }
+      }
+      public int PrimitiveField {
+        get { return result.PrimitiveField; }
+        set { SetPrimitiveField(value); }
+      }
+      public Builder SetPrimitiveField(int value) {
+        result.hasPrimitiveField = true;
+        result.primitiveField_ = value;
+        return this;
+      }
+      public Builder ClearPrimitiveField() {
+        result.hasPrimitiveField = false;
+        result.primitiveField_ = 0;
+        return this;
+      }
+      
+      public bool HasStringField {
+        get { return result.HasStringField; }
+      }
+      public string StringField {
+        get { return result.StringField; }
+        set { SetStringField(value); }
+      }
+      public Builder SetStringField(string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasStringField = true;
+        result.stringField_ = value;
+        return this;
+      }
+      public Builder ClearStringField() {
+        result.hasStringField = false;
+        result.stringField_ = "";
+        return this;
+      }
+      
+      public bool HasEnumField {
+       get { return result.HasEnumField; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ForeignEnum EnumField {
+        get { return result.EnumField; }
+        set { SetEnumField(value); }
+      }
+      public Builder SetEnumField(global::Google.ProtocolBuffers.TestProtos.ForeignEnum value) {
+        result.hasEnumField = true;
+        result.enumField_ = value;
+        return this;
+      }
+      public Builder ClearEnumField() {
+        result.hasEnumField = false;
+        result.enumField_ = global::Google.ProtocolBuffers.TestProtos.ForeignEnum.FOREIGN_FOO;
+        return this;
+      }
+      
+      public bool HasMessageField {
+       get { return result.HasMessageField; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ForeignMessage MessageField {
+        get { return result.MessageField; }
+        set { SetMessageField(value); }
+      }
+      public Builder SetMessageField(global::Google.ProtocolBuffers.TestProtos.ForeignMessage value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasMessageField = true;
+        result.messageField_ = value;
+        return this;
+      }
+      public Builder SetMessageField(global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.hasMessageField = true;
+        result.messageField_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeMessageField(global::Google.ProtocolBuffers.TestProtos.ForeignMessage value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        if (result.HasMessageField &&
+            result.messageField_ != global::Google.ProtocolBuffers.TestProtos.ForeignMessage.DefaultInstance) {
+            result.messageField_ = global::Google.ProtocolBuffers.TestProtos.ForeignMessage.CreateBuilder(result.messageField_).MergeFrom(value).BuildPartial();
+        } else {
+          result.messageField_ = value;
+        }
+        result.hasMessageField = true;
+        return this;
+      }
+      public Builder ClearMessageField() {
+        result.hasMessageField = false;
+        result.messageField_ = global::Google.ProtocolBuffers.TestProtos.ForeignMessage.DefaultInstance;
+        return this;
+      }
+      
+      public bool HasStringPieceField {
+        get { return result.HasStringPieceField; }
+      }
+      public string StringPieceField {
+        get { return result.StringPieceField; }
+        set { SetStringPieceField(value); }
+      }
+      public Builder SetStringPieceField(string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasStringPieceField = true;
+        result.stringPieceField_ = value;
+        return this;
+      }
+      public Builder ClearStringPieceField() {
+        result.hasStringPieceField = false;
+        result.stringPieceField_ = "";
+        return this;
+      }
+      
+      public bool HasCordField {
+        get { return result.HasCordField; }
+      }
+      public string CordField {
+        get { return result.CordField; }
+        set { SetCordField(value); }
+      }
+      public Builder SetCordField(string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasCordField = true;
+        result.cordField_ = value;
+        return this;
+      }
+      public Builder ClearCordField() {
+        result.hasCordField = false;
+        result.cordField_ = "";
+        return this;
+      }
+      
+      public pbc::IPopsicleList<int> RepeatedPrimitiveFieldList {
+        get { return result.repeatedPrimitiveField_; }
+      }
+      public int RepeatedPrimitiveFieldCount {
+        get { return result.RepeatedPrimitiveFieldCount; }
+      }
+      public int GetRepeatedPrimitiveField(int index) {
+        return result.GetRepeatedPrimitiveField(index);
+      }
+      public Builder SetRepeatedPrimitiveField(int index, int value) {
+        result.repeatedPrimitiveField_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedPrimitiveField(int value) {
+        result.repeatedPrimitiveField_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedPrimitiveField(scg::IEnumerable<int> values) {
+        base.AddRange(values, result.repeatedPrimitiveField_);
+        return this;
+      }
+      public Builder ClearRepeatedPrimitiveField() {
+        result.repeatedPrimitiveField_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<string> RepeatedStringFieldList {
+        get { return result.repeatedStringField_; }
+      }
+      public int RepeatedStringFieldCount {
+        get { return result.RepeatedStringFieldCount; }
+      }
+      public string GetRepeatedStringField(int index) {
+        return result.GetRepeatedStringField(index);
+      }
+      public Builder SetRepeatedStringField(int index, string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedStringField_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedStringField(string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedStringField_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedStringField(scg::IEnumerable<string> values) {
+        base.AddRange(values, result.repeatedStringField_);
+        return this;
+      }
+      public Builder ClearRepeatedStringField() {
+        result.repeatedStringField_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> RepeatedEnumFieldList {
+        get { return result.repeatedEnumField_; }
+      }
+      public int RepeatedEnumFieldCount {
+        get { return result.RepeatedEnumFieldCount; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ForeignEnum GetRepeatedEnumField(int index) {
+        return result.GetRepeatedEnumField(index);
+      }
+      public Builder SetRepeatedEnumField(int index, global::Google.ProtocolBuffers.TestProtos.ForeignEnum value) {
+        result.repeatedEnumField_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedEnumField(global::Google.ProtocolBuffers.TestProtos.ForeignEnum value) {
+        result.repeatedEnumField_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedEnumField(scg::IEnumerable<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> values) {
+        base.AddRange(values, result.repeatedEnumField_);
+        return this;
+      }
+      public Builder ClearRepeatedEnumField() {
+        result.repeatedEnumField_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> RepeatedMessageFieldList {
+        get { return result.repeatedMessageField_; }
+      }
+      public int RepeatedMessageFieldCount {
+        get { return result.RepeatedMessageFieldCount; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ForeignMessage GetRepeatedMessageField(int index) {
+        return result.GetRepeatedMessageField(index);
+      }
+      public Builder SetRepeatedMessageField(int index, global::Google.ProtocolBuffers.TestProtos.ForeignMessage value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedMessageField_[index] = value;
+        return this;
+      }
+      public Builder SetRepeatedMessageField(int index, global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.repeatedMessageField_[index] = builderForValue.Build();
+        return this;
+      }
+      public Builder AddRepeatedMessageField(global::Google.ProtocolBuffers.TestProtos.ForeignMessage value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedMessageField_.Add(value);
+        return this;
+      }
+      public Builder AddRepeatedMessageField(global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.repeatedMessageField_.Add(builderForValue.Build());
+        return this;
+      }
+      public Builder AddRangeRepeatedMessageField(scg::IEnumerable<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> values) {
+        base.AddRange(values, result.repeatedMessageField_);
+        return this;
+      }
+      public Builder ClearRepeatedMessageField() {
+        result.repeatedMessageField_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<string> RepeatedStringPieceFieldList {
+        get { return result.repeatedStringPieceField_; }
+      }
+      public int RepeatedStringPieceFieldCount {
+        get { return result.RepeatedStringPieceFieldCount; }
+      }
+      public string GetRepeatedStringPieceField(int index) {
+        return result.GetRepeatedStringPieceField(index);
+      }
+      public Builder SetRepeatedStringPieceField(int index, string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedStringPieceField_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedStringPieceField(string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedStringPieceField_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedStringPieceField(scg::IEnumerable<string> values) {
+        base.AddRange(values, result.repeatedStringPieceField_);
+        return this;
+      }
+      public Builder ClearRepeatedStringPieceField() {
+        result.repeatedStringPieceField_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<string> RepeatedCordFieldList {
+        get { return result.repeatedCordField_; }
+      }
+      public int RepeatedCordFieldCount {
+        get { return result.RepeatedCordFieldCount; }
+      }
+      public string GetRepeatedCordField(int index) {
+        return result.GetRepeatedCordField(index);
+      }
+      public Builder SetRepeatedCordField(int index, string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedCordField_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedCordField(string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedCordField_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedCordField(scg::IEnumerable<string> values) {
+        base.AddRange(values, result.repeatedCordField_);
+        return this;
+      }
+      public Builder ClearRepeatedCordField() {
+        result.repeatedCordField_.Clear();
+        return this;
+      }
+    }
+    static TestCamelCaseFieldNames() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class TestFieldOrderings : pb::ExtendableMessage<TestFieldOrderings, TestFieldOrderings.Builder> {
+    private static readonly TestFieldOrderings defaultInstance = new Builder().BuildPartial();
+    public static TestFieldOrderings DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestFieldOrderings DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestFieldOrderings ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestFieldOrderings__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestFieldOrderings, TestFieldOrderings.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestFieldOrderings__FieldAccessorTable; }
+    }
+    
+    public const int MyStringFieldNumber = 11;
+    private bool hasMyString;
+    private string myString_ = "";
+    public bool HasMyString {
+      get { return hasMyString; }
+    }
+    public string MyString {
+      get { return myString_; }
+    }
+    
+    public const int MyIntFieldNumber = 1;
+    private bool hasMyInt;
+    private long myInt_ = 0L;
+    public bool HasMyInt {
+      get { return hasMyInt; }
+    }
+    public long MyInt {
+      get { return myInt_; }
+    }
+    
+    public const int MyFloatFieldNumber = 101;
+    private bool hasMyFloat;
+    private float myFloat_ = 0F;
+    public bool HasMyFloat {
+      get { return hasMyFloat; }
+    }
+    public float MyFloat {
+      get { return myFloat_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        if (!ExtensionsAreInitialized) return false;
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      pb::ExtendableMessage<TestFieldOrderings, TestFieldOrderings.Builder>.ExtensionWriter extensionWriter = CreateExtensionWriter(this);
+      if (HasMyInt) {
+        output.WriteInt64(1, MyInt);
+      }
+      extensionWriter.WriteUntil(11, output);
+      if (HasMyString) {
+        output.WriteString(11, MyString);
+      }
+      extensionWriter.WriteUntil(101, output);
+      if (HasMyFloat) {
+        output.WriteFloat(101, MyFloat);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasMyString) {
+          size += pb::CodedOutputStream.ComputeStringSize(11, MyString);
+        }
+        if (HasMyInt) {
+          size += pb::CodedOutputStream.ComputeInt64Size(1, MyInt);
+        }
+        if (HasMyFloat) {
+          size += pb::CodedOutputStream.ComputeFloatSize(101, MyFloat);
+        }
+        size += ExtensionsSerializedSize;
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestFieldOrderings ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestFieldOrderings ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestFieldOrderings ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestFieldOrderings ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestFieldOrderings ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestFieldOrderings ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestFieldOrderings ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static TestFieldOrderings ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static TestFieldOrderings ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestFieldOrderings ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestFieldOrderings prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::ExtendableBuilder<TestFieldOrderings, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestFieldOrderings result = new TestFieldOrderings();
+      
+      protected override TestFieldOrderings MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestFieldOrderings();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestFieldOrderings.Descriptor; }
+      }
+      
+      public override TestFieldOrderings DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestFieldOrderings.DefaultInstance; }
+      }
+      
+      public override TestFieldOrderings BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        TestFieldOrderings returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestFieldOrderings) {
+          return MergeFrom((TestFieldOrderings) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestFieldOrderings other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.TestFieldOrderings.DefaultInstance) return this;
+        if (other.HasMyString) {
+          MyString = other.MyString;
+        }
+        if (other.HasMyInt) {
+          MyInt = other.MyInt;
+        }
+        if (other.HasMyFloat) {
+          MyFloat = other.MyFloat;
+        }
+          this.MergeExtensionFields(other);
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+            case 8: {
+              MyInt = input.ReadInt64();
+              break;
+            }
+            case 90: {
+              MyString = input.ReadString();
+              break;
+            }
+            case 813: {
+              MyFloat = input.ReadFloat();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasMyString {
+        get { return result.HasMyString; }
+      }
+      public string MyString {
+        get { return result.MyString; }
+        set { SetMyString(value); }
+      }
+      public Builder SetMyString(string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasMyString = true;
+        result.myString_ = value;
+        return this;
+      }
+      public Builder ClearMyString() {
+        result.hasMyString = false;
+        result.myString_ = "";
+        return this;
+      }
+      
+      public bool HasMyInt {
+        get { return result.HasMyInt; }
+      }
+      public long MyInt {
+        get { return result.MyInt; }
+        set { SetMyInt(value); }
+      }
+      public Builder SetMyInt(long value) {
+        result.hasMyInt = true;
+        result.myInt_ = value;
+        return this;
+      }
+      public Builder ClearMyInt() {
+        result.hasMyInt = false;
+        result.myInt_ = 0L;
+        return this;
+      }
+      
+      public bool HasMyFloat {
+        get { return result.HasMyFloat; }
+      }
+      public float MyFloat {
+        get { return result.MyFloat; }
+        set { SetMyFloat(value); }
+      }
+      public Builder SetMyFloat(float value) {
+        result.hasMyFloat = true;
+        result.myFloat_ = value;
+        return this;
+      }
+      public Builder ClearMyFloat() {
+        result.hasMyFloat = false;
+        result.myFloat_ = 0F;
+        return this;
+      }
+    }
+    static TestFieldOrderings() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class TestExtremeDefaultValues : pb::GeneratedMessage<TestExtremeDefaultValues, TestExtremeDefaultValues.Builder> {
+    private static readonly TestExtremeDefaultValues defaultInstance = new Builder().BuildPartial();
+    public static TestExtremeDefaultValues DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestExtremeDefaultValues DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestExtremeDefaultValues ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestExtremeDefaultValues__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestExtremeDefaultValues, TestExtremeDefaultValues.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestExtremeDefaultValues__FieldAccessorTable; }
+    }
+    
+    public const int EscapedBytesFieldNumber = 1;
+    private bool hasEscapedBytes;
+    private pb::ByteString escapedBytes_ = (pb::ByteString) global::Google.ProtocolBuffers.TestProtos.TestExtremeDefaultValues.Descriptor.Fields[0].DefaultValue;
+    public bool HasEscapedBytes {
+      get { return hasEscapedBytes; }
+    }
+    public pb::ByteString EscapedBytes {
+      get { return escapedBytes_; }
+    }
+    
+    public const int LargeUint32FieldNumber = 2;
+    private bool hasLargeUint32;
+    private uint largeUint32_ = 4294967295;
+    public bool HasLargeUint32 {
+      get { return hasLargeUint32; }
+    }
+    [global::System.CLSCompliant(false)]
+    public uint LargeUint32 {
+      get { return largeUint32_; }
+    }
+    
+    public const int LargeUint64FieldNumber = 3;
+    private bool hasLargeUint64;
+    private ulong largeUint64_ = 18446744073709551615UL;
+    public bool HasLargeUint64 {
+      get { return hasLargeUint64; }
+    }
+    [global::System.CLSCompliant(false)]
+    public ulong LargeUint64 {
+      get { return largeUint64_; }
+    }
+    
+    public const int SmallInt32FieldNumber = 4;
+    private bool hasSmallInt32;
+    private int smallInt32_ = -2147483647;
+    public bool HasSmallInt32 {
+      get { return hasSmallInt32; }
+    }
+    public int SmallInt32 {
+      get { return smallInt32_; }
+    }
+    
+    public const int SmallInt64FieldNumber = 5;
+    private bool hasSmallInt64;
+    private long smallInt64_ = -9223372036854775807L;
+    public bool HasSmallInt64 {
+      get { return hasSmallInt64; }
+    }
+    public long SmallInt64 {
+      get { return smallInt64_; }
+    }
+    
+    public const int Utf8StringFieldNumber = 6;
+    private bool hasUtf8String;
+    private string utf8String_ = (string) global::Google.ProtocolBuffers.TestProtos.TestExtremeDefaultValues.Descriptor.Fields[5].DefaultValue;
+    public bool HasUtf8String {
+      get { return hasUtf8String; }
+    }
+    public string Utf8String {
+      get { return utf8String_; }
+    }
+    
+    public const int ZeroFloatFieldNumber = 7;
+    private bool hasZeroFloat;
+    private float zeroFloat_ = 0F;
+    public bool HasZeroFloat {
+      get { return hasZeroFloat; }
+    }
+    public float ZeroFloat {
+      get { return zeroFloat_; }
+    }
+    
+    public const int OneFloatFieldNumber = 8;
+    private bool hasOneFloat;
+    private float oneFloat_ = 1F;
+    public bool HasOneFloat {
+      get { return hasOneFloat; }
+    }
+    public float OneFloat {
+      get { return oneFloat_; }
+    }
+    
+    public const int SmallFloatFieldNumber = 9;
+    private bool hasSmallFloat;
+    private float smallFloat_ = 1.5F;
+    public bool HasSmallFloat {
+      get { return hasSmallFloat; }
+    }
+    public float SmallFloat {
+      get { return smallFloat_; }
+    }
+    
+    public const int NegativeOneFloatFieldNumber = 10;
+    private bool hasNegativeOneFloat;
+    private float negativeOneFloat_ = -1F;
+    public bool HasNegativeOneFloat {
+      get { return hasNegativeOneFloat; }
+    }
+    public float NegativeOneFloat {
+      get { return negativeOneFloat_; }
+    }
+    
+    public const int NegativeFloatFieldNumber = 11;
+    private bool hasNegativeFloat;
+    private float negativeFloat_ = -1.5F;
+    public bool HasNegativeFloat {
+      get { return hasNegativeFloat; }
+    }
+    public float NegativeFloat {
+      get { return negativeFloat_; }
+    }
+    
+    public const int LargeFloatFieldNumber = 12;
+    private bool hasLargeFloat;
+    private float largeFloat_ = 2E+08F;
+    public bool HasLargeFloat {
+      get { return hasLargeFloat; }
+    }
+    public float LargeFloat {
+      get { return largeFloat_; }
+    }
+    
+    public const int SmallNegativeFloatFieldNumber = 13;
+    private bool hasSmallNegativeFloat;
+    private float smallNegativeFloat_ = -8E-28F;
+    public bool HasSmallNegativeFloat {
+      get { return hasSmallNegativeFloat; }
+    }
+    public float SmallNegativeFloat {
+      get { return smallNegativeFloat_; }
+    }
+    
+    public const int InfDoubleFieldNumber = 14;
+    private bool hasInfDouble;
+    private double infDouble_ = InfinityD;
+    public bool HasInfDouble {
+      get { return hasInfDouble; }
+    }
+    public double InfDouble {
+      get { return infDouble_; }
+    }
+    
+    public const int NegInfDoubleFieldNumber = 15;
+    private bool hasNegInfDouble;
+    private double negInfDouble_ = -InfinityD;
+    public bool HasNegInfDouble {
+      get { return hasNegInfDouble; }
+    }
+    public double NegInfDouble {
+      get { return negInfDouble_; }
+    }
+    
+    public const int NanDoubleFieldNumber = 16;
+    private bool hasNanDouble;
+    private double nanDouble_ = NaND;
+    public bool HasNanDouble {
+      get { return hasNanDouble; }
+    }
+    public double NanDouble {
+      get { return nanDouble_; }
+    }
+    
+    public const int InfFloatFieldNumber = 17;
+    private bool hasInfFloat;
+    private float infFloat_ = InfinityF;
+    public bool HasInfFloat {
+      get { return hasInfFloat; }
+    }
+    public float InfFloat {
+      get { return infFloat_; }
+    }
+    
+    public const int NegInfFloatFieldNumber = 18;
+    private bool hasNegInfFloat;
+    private float negInfFloat_ = -InfinityF;
+    public bool HasNegInfFloat {
+      get { return hasNegInfFloat; }
+    }
+    public float NegInfFloat {
+      get { return negInfFloat_; }
+    }
+    
+    public const int NanFloatFieldNumber = 19;
+    private bool hasNanFloat;
+    private float nanFloat_ = NaNF;
+    public bool HasNanFloat {
+      get { return hasNanFloat; }
+    }
+    public float NanFloat {
+      get { return nanFloat_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      if (HasEscapedBytes) {
+        output.WriteBytes(1, EscapedBytes);
+      }
+      if (HasLargeUint32) {
+        output.WriteUInt32(2, LargeUint32);
+      }
+      if (HasLargeUint64) {
+        output.WriteUInt64(3, LargeUint64);
+      }
+      if (HasSmallInt32) {
+        output.WriteInt32(4, SmallInt32);
+      }
+      if (HasSmallInt64) {
+        output.WriteInt64(5, SmallInt64);
+      }
+      if (HasUtf8String) {
+        output.WriteString(6, Utf8String);
+      }
+      if (HasZeroFloat) {
+        output.WriteFloat(7, ZeroFloat);
+      }
+      if (HasOneFloat) {
+        output.WriteFloat(8, OneFloat);
+      }
+      if (HasSmallFloat) {
+        output.WriteFloat(9, SmallFloat);
+      }
+      if (HasNegativeOneFloat) {
+        output.WriteFloat(10, NegativeOneFloat);
+      }
+      if (HasNegativeFloat) {
+        output.WriteFloat(11, NegativeFloat);
+      }
+      if (HasLargeFloat) {
+        output.WriteFloat(12, LargeFloat);
+      }
+      if (HasSmallNegativeFloat) {
+        output.WriteFloat(13, SmallNegativeFloat);
+      }
+      if (HasInfDouble) {
+        output.WriteDouble(14, InfDouble);
+      }
+      if (HasNegInfDouble) {
+        output.WriteDouble(15, NegInfDouble);
+      }
+      if (HasNanDouble) {
+        output.WriteDouble(16, NanDouble);
+      }
+      if (HasInfFloat) {
+        output.WriteFloat(17, InfFloat);
+      }
+      if (HasNegInfFloat) {
+        output.WriteFloat(18, NegInfFloat);
+      }
+      if (HasNanFloat) {
+        output.WriteFloat(19, NanFloat);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasEscapedBytes) {
+          size += pb::CodedOutputStream.ComputeBytesSize(1, EscapedBytes);
+        }
+        if (HasLargeUint32) {
+          size += pb::CodedOutputStream.ComputeUInt32Size(2, LargeUint32);
+        }
+        if (HasLargeUint64) {
+          size += pb::CodedOutputStream.ComputeUInt64Size(3, LargeUint64);
+        }
+        if (HasSmallInt32) {
+          size += pb::CodedOutputStream.ComputeInt32Size(4, SmallInt32);
+        }
+        if (HasSmallInt64) {
+          size += pb::CodedOutputStream.ComputeInt64Size(5, SmallInt64);
+        }
+        if (HasUtf8String) {
+          size += pb::CodedOutputStream.ComputeStringSize(6, Utf8String);
+        }
+        if (HasZeroFloat) {
+          size += pb::CodedOutputStream.ComputeFloatSize(7, ZeroFloat);
+        }
+        if (HasOneFloat) {
+          size += pb::CodedOutputStream.ComputeFloatSize(8, OneFloat);
+        }
+        if (HasSmallFloat) {
+          size += pb::CodedOutputStream.ComputeFloatSize(9, SmallFloat);
+        }
+        if (HasNegativeOneFloat) {
+          size += pb::CodedOutputStream.ComputeFloatSize(10, NegativeOneFloat);
+        }
+        if (HasNegativeFloat) {
+          size += pb::CodedOutputStream.ComputeFloatSize(11, NegativeFloat);
+        }
+        if (HasLargeFloat) {
+          size += pb::CodedOutputStream.ComputeFloatSize(12, LargeFloat);
+        }
+        if (HasSmallNegativeFloat) {
+          size += pb::CodedOutputStream.ComputeFloatSize(13, SmallNegativeFloat);
+        }
+        if (HasInfDouble) {
+          size += pb::CodedOutputStream.ComputeDoubleSize(14, InfDouble);
+        }
+        if (HasNegInfDouble) {
+          size += pb::CodedOutputStream.ComputeDoubleSize(15, NegInfDouble);
+        }
+        if (HasNanDouble) {
+          size += pb::CodedOutputStream.ComputeDoubleSize(16, NanDouble);
+        }
+        if (HasInfFloat) {
+          size += pb::CodedOutputStream.ComputeFloatSize(17, InfFloat);
+        }
+        if (HasNegInfFloat) {
+          size += pb::CodedOutputStream.ComputeFloatSize(18, NegInfFloat);
+        }
+        if (HasNanFloat) {
+          size += pb::CodedOutputStream.ComputeFloatSize(19, NanFloat);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestExtremeDefaultValues ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestExtremeDefaultValues ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestExtremeDefaultValues ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestExtremeDefaultValues ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestExtremeDefaultValues ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestExtremeDefaultValues ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestExtremeDefaultValues ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static TestExtremeDefaultValues ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static TestExtremeDefaultValues ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestExtremeDefaultValues ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestExtremeDefaultValues prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestExtremeDefaultValues, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestExtremeDefaultValues result = new TestExtremeDefaultValues();
+      
+      protected override TestExtremeDefaultValues MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestExtremeDefaultValues();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestExtremeDefaultValues.Descriptor; }
+      }
+      
+      public override TestExtremeDefaultValues DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestExtremeDefaultValues.DefaultInstance; }
+      }
+      
+      public override TestExtremeDefaultValues BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        TestExtremeDefaultValues returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestExtremeDefaultValues) {
+          return MergeFrom((TestExtremeDefaultValues) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestExtremeDefaultValues other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.TestExtremeDefaultValues.DefaultInstance) return this;
+        if (other.HasEscapedBytes) {
+          EscapedBytes = other.EscapedBytes;
+        }
+        if (other.HasLargeUint32) {
+          LargeUint32 = other.LargeUint32;
+        }
+        if (other.HasLargeUint64) {
+          LargeUint64 = other.LargeUint64;
+        }
+        if (other.HasSmallInt32) {
+          SmallInt32 = other.SmallInt32;
+        }
+        if (other.HasSmallInt64) {
+          SmallInt64 = other.SmallInt64;
+        }
+        if (other.HasUtf8String) {
+          Utf8String = other.Utf8String;
+        }
+        if (other.HasZeroFloat) {
+          ZeroFloat = other.ZeroFloat;
+        }
+        if (other.HasOneFloat) {
+          OneFloat = other.OneFloat;
+        }
+        if (other.HasSmallFloat) {
+          SmallFloat = other.SmallFloat;
+        }
+        if (other.HasNegativeOneFloat) {
+          NegativeOneFloat = other.NegativeOneFloat;
+        }
+        if (other.HasNegativeFloat) {
+          NegativeFloat = other.NegativeFloat;
+        }
+        if (other.HasLargeFloat) {
+          LargeFloat = other.LargeFloat;
+        }
+        if (other.HasSmallNegativeFloat) {
+          SmallNegativeFloat = other.SmallNegativeFloat;
+        }
+        if (other.HasInfDouble) {
+          InfDouble = other.InfDouble;
+        }
+        if (other.HasNegInfDouble) {
+          NegInfDouble = other.NegInfDouble;
+        }
+        if (other.HasNanDouble) {
+          NanDouble = other.NanDouble;
+        }
+        if (other.HasInfFloat) {
+          InfFloat = other.InfFloat;
+        }
+        if (other.HasNegInfFloat) {
+          NegInfFloat = other.NegInfFloat;
+        }
+        if (other.HasNanFloat) {
+          NanFloat = other.NanFloat;
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+            case 10: {
+              EscapedBytes = input.ReadBytes();
+              break;
+            }
+            case 16: {
+              LargeUint32 = input.ReadUInt32();
+              break;
+            }
+            case 24: {
+              LargeUint64 = input.ReadUInt64();
+              break;
+            }
+            case 32: {
+              SmallInt32 = input.ReadInt32();
+              break;
+            }
+            case 40: {
+              SmallInt64 = input.ReadInt64();
+              break;
+            }
+            case 50: {
+              Utf8String = input.ReadString();
+              break;
+            }
+            case 61: {
+              ZeroFloat = input.ReadFloat();
+              break;
+            }
+            case 69: {
+              OneFloat = input.ReadFloat();
+              break;
+            }
+            case 77: {
+              SmallFloat = input.ReadFloat();
+              break;
+            }
+            case 85: {
+              NegativeOneFloat = input.ReadFloat();
+              break;
+            }
+            case 93: {
+              NegativeFloat = input.ReadFloat();
+              break;
+            }
+            case 101: {
+              LargeFloat = input.ReadFloat();
+              break;
+            }
+            case 109: {
+              SmallNegativeFloat = input.ReadFloat();
+              break;
+            }
+            case 113: {
+              InfDouble = input.ReadDouble();
+              break;
+            }
+            case 121: {
+              NegInfDouble = input.ReadDouble();
+              break;
+            }
+            case 129: {
+              NanDouble = input.ReadDouble();
+              break;
+            }
+            case 141: {
+              InfFloat = input.ReadFloat();
+              break;
+            }
+            case 149: {
+              NegInfFloat = input.ReadFloat();
+              break;
+            }
+            case 157: {
+              NanFloat = input.ReadFloat();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasEscapedBytes {
+        get { return result.HasEscapedBytes; }
+      }
+      public pb::ByteString EscapedBytes {
+        get { return result.EscapedBytes; }
+        set { SetEscapedBytes(value); }
+      }
+      public Builder SetEscapedBytes(pb::ByteString value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasEscapedBytes = true;
+        result.escapedBytes_ = value;
+        return this;
+      }
+      public Builder ClearEscapedBytes() {
+        result.hasEscapedBytes = false;
+        result.escapedBytes_ = (pb::ByteString) global::Google.ProtocolBuffers.TestProtos.TestExtremeDefaultValues.Descriptor.Fields[0].DefaultValue;
+        return this;
+      }
+      
+      public bool HasLargeUint32 {
+        get { return result.HasLargeUint32; }
+      }
+      [global::System.CLSCompliant(false)]
+      public uint LargeUint32 {
+        get { return result.LargeUint32; }
+        set { SetLargeUint32(value); }
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder SetLargeUint32(uint value) {
+        result.hasLargeUint32 = true;
+        result.largeUint32_ = value;
+        return this;
+      }
+      public Builder ClearLargeUint32() {
+        result.hasLargeUint32 = false;
+        result.largeUint32_ = 4294967295;
+        return this;
+      }
+      
+      public bool HasLargeUint64 {
+        get { return result.HasLargeUint64; }
+      }
+      [global::System.CLSCompliant(false)]
+      public ulong LargeUint64 {
+        get { return result.LargeUint64; }
+        set { SetLargeUint64(value); }
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder SetLargeUint64(ulong value) {
+        result.hasLargeUint64 = true;
+        result.largeUint64_ = value;
+        return this;
+      }
+      public Builder ClearLargeUint64() {
+        result.hasLargeUint64 = false;
+        result.largeUint64_ = 18446744073709551615UL;
+        return this;
+      }
+      
+      public bool HasSmallInt32 {
+        get { return result.HasSmallInt32; }
+      }
+      public int SmallInt32 {
+        get { return result.SmallInt32; }
+        set { SetSmallInt32(value); }
+      }
+      public Builder SetSmallInt32(int value) {
+        result.hasSmallInt32 = true;
+        result.smallInt32_ = value;
+        return this;
+      }
+      public Builder ClearSmallInt32() {
+        result.hasSmallInt32 = false;
+        result.smallInt32_ = -2147483647;
+        return this;
+      }
+      
+      public bool HasSmallInt64 {
+        get { return result.HasSmallInt64; }
+      }
+      public long SmallInt64 {
+        get { return result.SmallInt64; }
+        set { SetSmallInt64(value); }
+      }
+      public Builder SetSmallInt64(long value) {
+        result.hasSmallInt64 = true;
+        result.smallInt64_ = value;
+        return this;
+      }
+      public Builder ClearSmallInt64() {
+        result.hasSmallInt64 = false;
+        result.smallInt64_ = -9223372036854775807L;
+        return this;
+      }
+      
+      public bool HasUtf8String {
+        get { return result.HasUtf8String; }
+      }
+      public string Utf8String {
+        get { return result.Utf8String; }
+        set { SetUtf8String(value); }
+      }
+      public Builder SetUtf8String(string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasUtf8String = true;
+        result.utf8String_ = value;
+        return this;
+      }
+      public Builder ClearUtf8String() {
+        result.hasUtf8String = false;
+        result.utf8String_ = (string) global::Google.ProtocolBuffers.TestProtos.TestExtremeDefaultValues.Descriptor.Fields[5].DefaultValue;
+        return this;
+      }
+      
+      public bool HasZeroFloat {
+        get { return result.HasZeroFloat; }
+      }
+      public float ZeroFloat {
+        get { return result.ZeroFloat; }
+        set { SetZeroFloat(value); }
+      }
+      public Builder SetZeroFloat(float value) {
+        result.hasZeroFloat = true;
+        result.zeroFloat_ = value;
+        return this;
+      }
+      public Builder ClearZeroFloat() {
+        result.hasZeroFloat = false;
+        result.zeroFloat_ = 0F;
+        return this;
+      }
+      
+      public bool HasOneFloat {
+        get { return result.HasOneFloat; }
+      }
+      public float OneFloat {
+        get { return result.OneFloat; }
+        set { SetOneFloat(value); }
+      }
+      public Builder SetOneFloat(float value) {
+        result.hasOneFloat = true;
+        result.oneFloat_ = value;
+        return this;
+      }
+      public Builder ClearOneFloat() {
+        result.hasOneFloat = false;
+        result.oneFloat_ = 1F;
+        return this;
+      }
+      
+      public bool HasSmallFloat {
+        get { return result.HasSmallFloat; }
+      }
+      public float SmallFloat {
+        get { return result.SmallFloat; }
+        set { SetSmallFloat(value); }
+      }
+      public Builder SetSmallFloat(float value) {
+        result.hasSmallFloat = true;
+        result.smallFloat_ = value;
+        return this;
+      }
+      public Builder ClearSmallFloat() {
+        result.hasSmallFloat = false;
+        result.smallFloat_ = 1.5F;
+        return this;
+      }
+      
+      public bool HasNegativeOneFloat {
+        get { return result.HasNegativeOneFloat; }
+      }
+      public float NegativeOneFloat {
+        get { return result.NegativeOneFloat; }
+        set { SetNegativeOneFloat(value); }
+      }
+      public Builder SetNegativeOneFloat(float value) {
+        result.hasNegativeOneFloat = true;
+        result.negativeOneFloat_ = value;
+        return this;
+      }
+      public Builder ClearNegativeOneFloat() {
+        result.hasNegativeOneFloat = false;
+        result.negativeOneFloat_ = -1F;
+        return this;
+      }
+      
+      public bool HasNegativeFloat {
+        get { return result.HasNegativeFloat; }
+      }
+      public float NegativeFloat {
+        get { return result.NegativeFloat; }
+        set { SetNegativeFloat(value); }
+      }
+      public Builder SetNegativeFloat(float value) {
+        result.hasNegativeFloat = true;
+        result.negativeFloat_ = value;
+        return this;
+      }
+      public Builder ClearNegativeFloat() {
+        result.hasNegativeFloat = false;
+        result.negativeFloat_ = -1.5F;
+        return this;
+      }
+      
+      public bool HasLargeFloat {
+        get { return result.HasLargeFloat; }
+      }
+      public float LargeFloat {
+        get { return result.LargeFloat; }
+        set { SetLargeFloat(value); }
+      }
+      public Builder SetLargeFloat(float value) {
+        result.hasLargeFloat = true;
+        result.largeFloat_ = value;
+        return this;
+      }
+      public Builder ClearLargeFloat() {
+        result.hasLargeFloat = false;
+        result.largeFloat_ = 2E+08F;
+        return this;
+      }
+      
+      public bool HasSmallNegativeFloat {
+        get { return result.HasSmallNegativeFloat; }
+      }
+      public float SmallNegativeFloat {
+        get { return result.SmallNegativeFloat; }
+        set { SetSmallNegativeFloat(value); }
+      }
+      public Builder SetSmallNegativeFloat(float value) {
+        result.hasSmallNegativeFloat = true;
+        result.smallNegativeFloat_ = value;
+        return this;
+      }
+      public Builder ClearSmallNegativeFloat() {
+        result.hasSmallNegativeFloat = false;
+        result.smallNegativeFloat_ = -8E-28F;
+        return this;
+      }
+      
+      public bool HasInfDouble {
+        get { return result.HasInfDouble; }
+      }
+      public double InfDouble {
+        get { return result.InfDouble; }
+        set { SetInfDouble(value); }
+      }
+      public Builder SetInfDouble(double value) {
+        result.hasInfDouble = true;
+        result.infDouble_ = value;
+        return this;
+      }
+      public Builder ClearInfDouble() {
+        result.hasInfDouble = false;
+        result.infDouble_ = InfinityD;
+        return this;
+      }
+      
+      public bool HasNegInfDouble {
+        get { return result.HasNegInfDouble; }
+      }
+      public double NegInfDouble {
+        get { return result.NegInfDouble; }
+        set { SetNegInfDouble(value); }
+      }
+      public Builder SetNegInfDouble(double value) {
+        result.hasNegInfDouble = true;
+        result.negInfDouble_ = value;
+        return this;
+      }
+      public Builder ClearNegInfDouble() {
+        result.hasNegInfDouble = false;
+        result.negInfDouble_ = -InfinityD;
+        return this;
+      }
+      
+      public bool HasNanDouble {
+        get { return result.HasNanDouble; }
+      }
+      public double NanDouble {
+        get { return result.NanDouble; }
+        set { SetNanDouble(value); }
+      }
+      public Builder SetNanDouble(double value) {
+        result.hasNanDouble = true;
+        result.nanDouble_ = value;
+        return this;
+      }
+      public Builder ClearNanDouble() {
+        result.hasNanDouble = false;
+        result.nanDouble_ = NaND;
+        return this;
+      }
+      
+      public bool HasInfFloat {
+        get { return result.HasInfFloat; }
+      }
+      public float InfFloat {
+        get { return result.InfFloat; }
+        set { SetInfFloat(value); }
+      }
+      public Builder SetInfFloat(float value) {
+        result.hasInfFloat = true;
+        result.infFloat_ = value;
+        return this;
+      }
+      public Builder ClearInfFloat() {
+        result.hasInfFloat = false;
+        result.infFloat_ = InfinityF;
+        return this;
+      }
+      
+      public bool HasNegInfFloat {
+        get { return result.HasNegInfFloat; }
+      }
+      public float NegInfFloat {
+        get { return result.NegInfFloat; }
+        set { SetNegInfFloat(value); }
+      }
+      public Builder SetNegInfFloat(float value) {
+        result.hasNegInfFloat = true;
+        result.negInfFloat_ = value;
+        return this;
+      }
+      public Builder ClearNegInfFloat() {
+        result.hasNegInfFloat = false;
+        result.negInfFloat_ = -InfinityF;
+        return this;
+      }
+      
+      public bool HasNanFloat {
+        get { return result.HasNanFloat; }
+      }
+      public float NanFloat {
+        get { return result.NanFloat; }
+        set { SetNanFloat(value); }
+      }
+      public Builder SetNanFloat(float value) {
+        result.hasNanFloat = true;
+        result.nanFloat_ = value;
+        return this;
+      }
+      public Builder ClearNanFloat() {
+        result.hasNanFloat = false;
+        result.nanFloat_ = NaNF;
+        return this;
+      }
+    }
+    static TestExtremeDefaultValues() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class OneString : pb::GeneratedMessage<OneString, OneString.Builder> {
+    private static readonly OneString defaultInstance = new Builder().BuildPartial();
+    public static OneString DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override OneString DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override OneString ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_OneString__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<OneString, OneString.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_OneString__FieldAccessorTable; }
+    }
+    
+    public const int DataFieldNumber = 1;
+    private bool hasData;
+    private string data_ = "";
+    public bool HasData {
+      get { return hasData; }
+    }
+    public string Data {
+      get { return data_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      if (HasData) {
+        output.WriteString(1, Data);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasData) {
+          size += pb::CodedOutputStream.ComputeStringSize(1, Data);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static OneString ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static OneString ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static OneString ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static OneString ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static OneString ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static OneString ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static OneString ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static OneString ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static OneString ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static OneString ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(OneString prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<OneString, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      OneString result = new OneString();
+      
+      protected override OneString MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new OneString();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.OneString.Descriptor; }
+      }
+      
+      public override OneString DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.OneString.DefaultInstance; }
+      }
+      
+      public override OneString BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        OneString returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is OneString) {
+          return MergeFrom((OneString) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(OneString other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.OneString.DefaultInstance) return this;
+        if (other.HasData) {
+          Data = other.Data;
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+            case 10: {
+              Data = input.ReadString();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasData {
+        get { return result.HasData; }
+      }
+      public string Data {
+        get { return result.Data; }
+        set { SetData(value); }
+      }
+      public Builder SetData(string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasData = true;
+        result.data_ = value;
+        return this;
+      }
+      public Builder ClearData() {
+        result.hasData = false;
+        result.data_ = "";
+        return this;
+      }
+    }
+    static OneString() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class OneBytes : pb::GeneratedMessage<OneBytes, OneBytes.Builder> {
+    private static readonly OneBytes defaultInstance = new Builder().BuildPartial();
+    public static OneBytes DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override OneBytes DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override OneBytes ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_OneBytes__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<OneBytes, OneBytes.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_OneBytes__FieldAccessorTable; }
+    }
+    
+    public const int DataFieldNumber = 1;
+    private bool hasData;
+    private pb::ByteString data_ = pb::ByteString.Empty;
+    public bool HasData {
+      get { return hasData; }
+    }
+    public pb::ByteString Data {
+      get { return data_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      if (HasData) {
+        output.WriteBytes(1, Data);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasData) {
+          size += pb::CodedOutputStream.ComputeBytesSize(1, Data);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static OneBytes ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static OneBytes ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static OneBytes ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static OneBytes ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static OneBytes ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static OneBytes ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static OneBytes ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static OneBytes ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static OneBytes ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static OneBytes ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(OneBytes prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<OneBytes, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      OneBytes result = new OneBytes();
+      
+      protected override OneBytes MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new OneBytes();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.OneBytes.Descriptor; }
+      }
+      
+      public override OneBytes DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.OneBytes.DefaultInstance; }
+      }
+      
+      public override OneBytes BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        OneBytes returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is OneBytes) {
+          return MergeFrom((OneBytes) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(OneBytes other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.OneBytes.DefaultInstance) return this;
+        if (other.HasData) {
+          Data = other.Data;
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+            case 10: {
+              Data = input.ReadBytes();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasData {
+        get { return result.HasData; }
+      }
+      public pb::ByteString Data {
+        get { return result.Data; }
+        set { SetData(value); }
+      }
+      public Builder SetData(pb::ByteString value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasData = true;
+        result.data_ = value;
+        return this;
+      }
+      public Builder ClearData() {
+        result.hasData = false;
+        result.data_ = pb::ByteString.Empty;
+        return this;
+      }
+    }
+    static OneBytes() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class TestPackedTypes : pb::GeneratedMessage<TestPackedTypes, TestPackedTypes.Builder> {
+    private static readonly TestPackedTypes defaultInstance = new Builder().BuildPartial();
+    public static TestPackedTypes DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestPackedTypes DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestPackedTypes ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestPackedTypes__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestPackedTypes, TestPackedTypes.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestPackedTypes__FieldAccessorTable; }
+    }
+    
+    public const int PackedInt32FieldNumber = 90;
+    private int packedInt32MemoizedSerializedSize;
+    private pbc::PopsicleList<int> packedInt32_ = new pbc::PopsicleList<int>();
+    public scg::IList<int> PackedInt32List {
+      get { return pbc::Lists.AsReadOnly(packedInt32_); }
+    }
+    public int PackedInt32Count {
+      get { return packedInt32_.Count; }
+    }
+    public int GetPackedInt32(int index) {
+      return packedInt32_[index];
+    }
+    
+    public const int PackedInt64FieldNumber = 91;
+    private int packedInt64MemoizedSerializedSize;
+    private pbc::PopsicleList<long> packedInt64_ = new pbc::PopsicleList<long>();
+    public scg::IList<long> PackedInt64List {
+      get { return pbc::Lists.AsReadOnly(packedInt64_); }
+    }
+    public int PackedInt64Count {
+      get { return packedInt64_.Count; }
+    }
+    public long GetPackedInt64(int index) {
+      return packedInt64_[index];
+    }
+    
+    public const int PackedUint32FieldNumber = 92;
+    private int packedUint32MemoizedSerializedSize;
+    private pbc::PopsicleList<uint> packedUint32_ = new pbc::PopsicleList<uint>();
+    [global::System.CLSCompliant(false)]
+    public scg::IList<uint> PackedUint32List {
+      get { return pbc::Lists.AsReadOnly(packedUint32_); }
+    }
+    public int PackedUint32Count {
+      get { return packedUint32_.Count; }
+    }
+    [global::System.CLSCompliant(false)]
+    public uint GetPackedUint32(int index) {
+      return packedUint32_[index];
+    }
+    
+    public const int PackedUint64FieldNumber = 93;
+    private int packedUint64MemoizedSerializedSize;
+    private pbc::PopsicleList<ulong> packedUint64_ = new pbc::PopsicleList<ulong>();
+    [global::System.CLSCompliant(false)]
+    public scg::IList<ulong> PackedUint64List {
+      get { return pbc::Lists.AsReadOnly(packedUint64_); }
+    }
+    public int PackedUint64Count {
+      get { return packedUint64_.Count; }
+    }
+    [global::System.CLSCompliant(false)]
+    public ulong GetPackedUint64(int index) {
+      return packedUint64_[index];
+    }
+    
+    public const int PackedSint32FieldNumber = 94;
+    private int packedSint32MemoizedSerializedSize;
+    private pbc::PopsicleList<int> packedSint32_ = new pbc::PopsicleList<int>();
+    public scg::IList<int> PackedSint32List {
+      get { return pbc::Lists.AsReadOnly(packedSint32_); }
+    }
+    public int PackedSint32Count {
+      get { return packedSint32_.Count; }
+    }
+    public int GetPackedSint32(int index) {
+      return packedSint32_[index];
+    }
+    
+    public const int PackedSint64FieldNumber = 95;
+    private int packedSint64MemoizedSerializedSize;
+    private pbc::PopsicleList<long> packedSint64_ = new pbc::PopsicleList<long>();
+    public scg::IList<long> PackedSint64List {
+      get { return pbc::Lists.AsReadOnly(packedSint64_); }
+    }
+    public int PackedSint64Count {
+      get { return packedSint64_.Count; }
+    }
+    public long GetPackedSint64(int index) {
+      return packedSint64_[index];
+    }
+    
+    public const int PackedFixed32FieldNumber = 96;
+    private int packedFixed32MemoizedSerializedSize;
+    private pbc::PopsicleList<uint> packedFixed32_ = new pbc::PopsicleList<uint>();
+    [global::System.CLSCompliant(false)]
+    public scg::IList<uint> PackedFixed32List {
+      get { return pbc::Lists.AsReadOnly(packedFixed32_); }
+    }
+    public int PackedFixed32Count {
+      get { return packedFixed32_.Count; }
+    }
+    [global::System.CLSCompliant(false)]
+    public uint GetPackedFixed32(int index) {
+      return packedFixed32_[index];
+    }
+    
+    public const int PackedFixed64FieldNumber = 97;
+    private int packedFixed64MemoizedSerializedSize;
+    private pbc::PopsicleList<ulong> packedFixed64_ = new pbc::PopsicleList<ulong>();
+    [global::System.CLSCompliant(false)]
+    public scg::IList<ulong> PackedFixed64List {
+      get { return pbc::Lists.AsReadOnly(packedFixed64_); }
+    }
+    public int PackedFixed64Count {
+      get { return packedFixed64_.Count; }
+    }
+    [global::System.CLSCompliant(false)]
+    public ulong GetPackedFixed64(int index) {
+      return packedFixed64_[index];
+    }
+    
+    public const int PackedSfixed32FieldNumber = 98;
+    private int packedSfixed32MemoizedSerializedSize;
+    private pbc::PopsicleList<int> packedSfixed32_ = new pbc::PopsicleList<int>();
+    public scg::IList<int> PackedSfixed32List {
+      get { return pbc::Lists.AsReadOnly(packedSfixed32_); }
+    }
+    public int PackedSfixed32Count {
+      get { return packedSfixed32_.Count; }
+    }
+    public int GetPackedSfixed32(int index) {
+      return packedSfixed32_[index];
+    }
+    
+    public const int PackedSfixed64FieldNumber = 99;
+    private int packedSfixed64MemoizedSerializedSize;
+    private pbc::PopsicleList<long> packedSfixed64_ = new pbc::PopsicleList<long>();
+    public scg::IList<long> PackedSfixed64List {
+      get { return pbc::Lists.AsReadOnly(packedSfixed64_); }
+    }
+    public int PackedSfixed64Count {
+      get { return packedSfixed64_.Count; }
+    }
+    public long GetPackedSfixed64(int index) {
+      return packedSfixed64_[index];
+    }
+    
+    public const int PackedFloatFieldNumber = 100;
+    private int packedFloatMemoizedSerializedSize;
+    private pbc::PopsicleList<float> packedFloat_ = new pbc::PopsicleList<float>();
+    public scg::IList<float> PackedFloatList {
+      get { return pbc::Lists.AsReadOnly(packedFloat_); }
+    }
+    public int PackedFloatCount {
+      get { return packedFloat_.Count; }
+    }
+    public float GetPackedFloat(int index) {
+      return packedFloat_[index];
+    }
+    
+    public const int PackedDoubleFieldNumber = 101;
+    private int packedDoubleMemoizedSerializedSize;
+    private pbc::PopsicleList<double> packedDouble_ = new pbc::PopsicleList<double>();
+    public scg::IList<double> PackedDoubleList {
+      get { return pbc::Lists.AsReadOnly(packedDouble_); }
+    }
+    public int PackedDoubleCount {
+      get { return packedDouble_.Count; }
+    }
+    public double GetPackedDouble(int index) {
+      return packedDouble_[index];
+    }
+    
+    public const int PackedBoolFieldNumber = 102;
+    private int packedBoolMemoizedSerializedSize;
+    private pbc::PopsicleList<bool> packedBool_ = new pbc::PopsicleList<bool>();
+    public scg::IList<bool> PackedBoolList {
+      get { return pbc::Lists.AsReadOnly(packedBool_); }
+    }
+    public int PackedBoolCount {
+      get { return packedBool_.Count; }
+    }
+    public bool GetPackedBool(int index) {
+      return packedBool_[index];
+    }
+    
+    public const int PackedEnumFieldNumber = 103;
+    private int packedEnumMemoizedSerializedSize;
+    private pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> packedEnum_ = new pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum>();
+    public scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> PackedEnumList {
+      get { return pbc::Lists.AsReadOnly(packedEnum_); }
+    }
+    public int PackedEnumCount {
+      get { return packedEnum_.Count; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ForeignEnum GetPackedEnum(int index) {
+      return packedEnum_[index];
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      if (packedInt32_.Count > 0) {
+        output.WriteRawVarint32(722);
+        output.WriteRawVarint32((uint) packedInt32MemoizedSerializedSize);
+        foreach (int element in packedInt32_) {
+          output.WriteInt32NoTag(element);
+        }
+      }
+      if (packedInt64_.Count > 0) {
+        output.WriteRawVarint32(730);
+        output.WriteRawVarint32((uint) packedInt64MemoizedSerializedSize);
+        foreach (long element in packedInt64_) {
+          output.WriteInt64NoTag(element);
+        }
+      }
+      if (packedUint32_.Count > 0) {
+        output.WriteRawVarint32(738);
+        output.WriteRawVarint32((uint) packedUint32MemoizedSerializedSize);
+        foreach (uint element in packedUint32_) {
+          output.WriteUInt32NoTag(element);
+        }
+      }
+      if (packedUint64_.Count > 0) {
+        output.WriteRawVarint32(746);
+        output.WriteRawVarint32((uint) packedUint64MemoizedSerializedSize);
+        foreach (ulong element in packedUint64_) {
+          output.WriteUInt64NoTag(element);
+        }
+      }
+      if (packedSint32_.Count > 0) {
+        output.WriteRawVarint32(754);
+        output.WriteRawVarint32((uint) packedSint32MemoizedSerializedSize);
+        foreach (int element in packedSint32_) {
+          output.WriteSInt32NoTag(element);
+        }
+      }
+      if (packedSint64_.Count > 0) {
+        output.WriteRawVarint32(762);
+        output.WriteRawVarint32((uint) packedSint64MemoizedSerializedSize);
+        foreach (long element in packedSint64_) {
+          output.WriteSInt64NoTag(element);
+        }
+      }
+      if (packedFixed32_.Count > 0) {
+        output.WriteRawVarint32(770);
+        output.WriteRawVarint32((uint) packedFixed32MemoizedSerializedSize);
+        foreach (uint element in packedFixed32_) {
+          output.WriteFixed32NoTag(element);
+        }
+      }
+      if (packedFixed64_.Count > 0) {
+        output.WriteRawVarint32(778);
+        output.WriteRawVarint32((uint) packedFixed64MemoizedSerializedSize);
+        foreach (ulong element in packedFixed64_) {
+          output.WriteFixed64NoTag(element);
+        }
+      }
+      if (packedSfixed32_.Count > 0) {
+        output.WriteRawVarint32(786);
+        output.WriteRawVarint32((uint) packedSfixed32MemoizedSerializedSize);
+        foreach (int element in packedSfixed32_) {
+          output.WriteSFixed32NoTag(element);
+        }
+      }
+      if (packedSfixed64_.Count > 0) {
+        output.WriteRawVarint32(794);
+        output.WriteRawVarint32((uint) packedSfixed64MemoizedSerializedSize);
+        foreach (long element in packedSfixed64_) {
+          output.WriteSFixed64NoTag(element);
+        }
+      }
+      if (packedFloat_.Count > 0) {
+        output.WriteRawVarint32(802);
+        output.WriteRawVarint32((uint) packedFloatMemoizedSerializedSize);
+        foreach (float element in packedFloat_) {
+          output.WriteFloatNoTag(element);
+        }
+      }
+      if (packedDouble_.Count > 0) {
+        output.WriteRawVarint32(810);
+        output.WriteRawVarint32((uint) packedDoubleMemoizedSerializedSize);
+        foreach (double element in packedDouble_) {
+          output.WriteDoubleNoTag(element);
+        }
+      }
+      if (packedBool_.Count > 0) {
+        output.WriteRawVarint32(818);
+        output.WriteRawVarint32((uint) packedBoolMemoizedSerializedSize);
+        foreach (bool element in packedBool_) {
+          output.WriteBoolNoTag(element);
+        }
+      }
+      if (packedEnum_.Count > 0) {
+        output.WriteRawVarint32(826);
+        output.WriteRawVarint32((uint) packedEnumMemoizedSerializedSize);
+        foreach (int element in packedEnum_) {
+          output.WriteEnumNoTag(element);
+        }
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        {
+          int dataSize = 0;
+          foreach (int element in PackedInt32List) {
+            dataSize += pb::CodedOutputStream.ComputeInt32SizeNoTag(element);
+          }
+          size += dataSize;
+          if (packedInt32_.Count != 0) {
+            size += 2 + pb::CodedOutputStream.ComputeInt32SizeNoTag(dataSize);
+          }
+          packedInt32MemoizedSerializedSize = dataSize;
+        }
+        {
+          int dataSize = 0;
+          foreach (long element in PackedInt64List) {
+            dataSize += pb::CodedOutputStream.ComputeInt64SizeNoTag(element);
+          }
+          size += dataSize;
+          if (packedInt64_.Count != 0) {
+            size += 2 + pb::CodedOutputStream.ComputeInt32SizeNoTag(dataSize);
+          }
+          packedInt64MemoizedSerializedSize = dataSize;
+        }
+        {
+          int dataSize = 0;
+          foreach (uint element in PackedUint32List) {
+            dataSize += pb::CodedOutputStream.ComputeUInt32SizeNoTag(element);
+          }
+          size += dataSize;
+          if (packedUint32_.Count != 0) {
+            size += 2 + pb::CodedOutputStream.ComputeInt32SizeNoTag(dataSize);
+          }
+          packedUint32MemoizedSerializedSize = dataSize;
+        }
+        {
+          int dataSize = 0;
+          foreach (ulong element in PackedUint64List) {
+            dataSize += pb::CodedOutputStream.ComputeUInt64SizeNoTag(element);
+          }
+          size += dataSize;
+          if (packedUint64_.Count != 0) {
+            size += 2 + pb::CodedOutputStream.ComputeInt32SizeNoTag(dataSize);
+          }
+          packedUint64MemoizedSerializedSize = dataSize;
+        }
+        {
+          int dataSize = 0;
+          foreach (int element in PackedSint32List) {
+            dataSize += pb::CodedOutputStream.ComputeSInt32SizeNoTag(element);
+          }
+          size += dataSize;
+          if (packedSint32_.Count != 0) {
+            size += 2 + pb::CodedOutputStream.ComputeInt32SizeNoTag(dataSize);
+          }
+          packedSint32MemoizedSerializedSize = dataSize;
+        }
+        {
+          int dataSize = 0;
+          foreach (long element in PackedSint64List) {
+            dataSize += pb::CodedOutputStream.ComputeSInt64SizeNoTag(element);
+          }
+          size += dataSize;
+          if (packedSint64_.Count != 0) {
+            size += 2 + pb::CodedOutputStream.ComputeInt32SizeNoTag(dataSize);
+          }
+          packedSint64MemoizedSerializedSize = dataSize;
+        }
+        {
+          int dataSize = 0;
+          dataSize = 4 * packedFixed32_.Count;
+          size += dataSize;
+          if (packedFixed32_.Count != 0) {
+            size += 2 + pb::CodedOutputStream.ComputeInt32SizeNoTag(dataSize);
+          }
+          packedFixed32MemoizedSerializedSize = dataSize;
+        }
+        {
+          int dataSize = 0;
+          dataSize = 8 * packedFixed64_.Count;
+          size += dataSize;
+          if (packedFixed64_.Count != 0) {
+            size += 2 + pb::CodedOutputStream.ComputeInt32SizeNoTag(dataSize);
+          }
+          packedFixed64MemoizedSerializedSize = dataSize;
+        }
+        {
+          int dataSize = 0;
+          dataSize = 4 * packedSfixed32_.Count;
+          size += dataSize;
+          if (packedSfixed32_.Count != 0) {
+            size += 2 + pb::CodedOutputStream.ComputeInt32SizeNoTag(dataSize);
+          }
+          packedSfixed32MemoizedSerializedSize = dataSize;
+        }
+        {
+          int dataSize = 0;
+          dataSize = 8 * packedSfixed64_.Count;
+          size += dataSize;
+          if (packedSfixed64_.Count != 0) {
+            size += 2 + pb::CodedOutputStream.ComputeInt32SizeNoTag(dataSize);
+          }
+          packedSfixed64MemoizedSerializedSize = dataSize;
+        }
+        {
+          int dataSize = 0;
+          dataSize = 4 * packedFloat_.Count;
+          size += dataSize;
+          if (packedFloat_.Count != 0) {
+            size += 2 + pb::CodedOutputStream.ComputeInt32SizeNoTag(dataSize);
+          }
+          packedFloatMemoizedSerializedSize = dataSize;
+        }
+        {
+          int dataSize = 0;
+          dataSize = 8 * packedDouble_.Count;
+          size += dataSize;
+          if (packedDouble_.Count != 0) {
+            size += 2 + pb::CodedOutputStream.ComputeInt32SizeNoTag(dataSize);
+          }
+          packedDoubleMemoizedSerializedSize = dataSize;
+        }
+        {
+          int dataSize = 0;
+          dataSize = 1 * packedBool_.Count;
+          size += dataSize;
+          if (packedBool_.Count != 0) {
+            size += 2 + pb::CodedOutputStream.ComputeInt32SizeNoTag(dataSize);
+          }
+          packedBoolMemoizedSerializedSize = dataSize;
+        }
+        {
+          int dataSize = 0;
+          if (packedEnum_.Count > 0) {
+            foreach (global::Google.ProtocolBuffers.TestProtos.ForeignEnum element in packedEnum_) {
+              dataSize += pb::CodedOutputStream.ComputeEnumSizeNoTag((int) element);
+            }
+            size += dataSize;
+            size += 2;
+            size += pb::CodedOutputStream.ComputeRawVarint32Size((uint) dataSize);
+          }
+          packedEnumMemoizedSerializedSize = dataSize;
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestPackedTypes ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestPackedTypes ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestPackedTypes ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestPackedTypes ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestPackedTypes ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestPackedTypes ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestPackedTypes ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static TestPackedTypes ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static TestPackedTypes ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestPackedTypes ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestPackedTypes prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestPackedTypes, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestPackedTypes result = new TestPackedTypes();
+      
+      protected override TestPackedTypes MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestPackedTypes();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestPackedTypes.Descriptor; }
+      }
+      
+      public override TestPackedTypes DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestPackedTypes.DefaultInstance; }
+      }
+      
+      public override TestPackedTypes BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        result.packedInt32_.MakeReadOnly();
+        result.packedInt64_.MakeReadOnly();
+        result.packedUint32_.MakeReadOnly();
+        result.packedUint64_.MakeReadOnly();
+        result.packedSint32_.MakeReadOnly();
+        result.packedSint64_.MakeReadOnly();
+        result.packedFixed32_.MakeReadOnly();
+        result.packedFixed64_.MakeReadOnly();
+        result.packedSfixed32_.MakeReadOnly();
+        result.packedSfixed64_.MakeReadOnly();
+        result.packedFloat_.MakeReadOnly();
+        result.packedDouble_.MakeReadOnly();
+        result.packedBool_.MakeReadOnly();
+        result.packedEnum_.MakeReadOnly();
+        TestPackedTypes returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestPackedTypes) {
+          return MergeFrom((TestPackedTypes) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestPackedTypes other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.TestPackedTypes.DefaultInstance) return this;
+        if (other.packedInt32_.Count != 0) {
+          base.AddRange(other.packedInt32_, result.packedInt32_);
+        }
+        if (other.packedInt64_.Count != 0) {
+          base.AddRange(other.packedInt64_, result.packedInt64_);
+        }
+        if (other.packedUint32_.Count != 0) {
+          base.AddRange(other.packedUint32_, result.packedUint32_);
+        }
+        if (other.packedUint64_.Count != 0) {
+          base.AddRange(other.packedUint64_, result.packedUint64_);
+        }
+        if (other.packedSint32_.Count != 0) {
+          base.AddRange(other.packedSint32_, result.packedSint32_);
+        }
+        if (other.packedSint64_.Count != 0) {
+          base.AddRange(other.packedSint64_, result.packedSint64_);
+        }
+        if (other.packedFixed32_.Count != 0) {
+          base.AddRange(other.packedFixed32_, result.packedFixed32_);
+        }
+        if (other.packedFixed64_.Count != 0) {
+          base.AddRange(other.packedFixed64_, result.packedFixed64_);
+        }
+        if (other.packedSfixed32_.Count != 0) {
+          base.AddRange(other.packedSfixed32_, result.packedSfixed32_);
+        }
+        if (other.packedSfixed64_.Count != 0) {
+          base.AddRange(other.packedSfixed64_, result.packedSfixed64_);
+        }
+        if (other.packedFloat_.Count != 0) {
+          base.AddRange(other.packedFloat_, result.packedFloat_);
+        }
+        if (other.packedDouble_.Count != 0) {
+          base.AddRange(other.packedDouble_, result.packedDouble_);
+        }
+        if (other.packedBool_.Count != 0) {
+          base.AddRange(other.packedBool_, result.packedBool_);
+        }
+        if (other.packedEnum_.Count != 0) {
+          base.AddRange(other.packedEnum_, result.packedEnum_);
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+            case 722: {
+              int length = input.ReadInt32();
+              int limit = input.PushLimit(length);
+              while (!input.ReachedLimit) {
+                AddPackedInt32(input.ReadInt32());
+              }
+              input.PopLimit(limit);
+              break;
+            }
+            case 730: {
+              int length = input.ReadInt32();
+              int limit = input.PushLimit(length);
+              while (!input.ReachedLimit) {
+                AddPackedInt64(input.ReadInt64());
+              }
+              input.PopLimit(limit);
+              break;
+            }
+            case 738: {
+              int length = input.ReadInt32();
+              int limit = input.PushLimit(length);
+              while (!input.ReachedLimit) {
+                AddPackedUint32(input.ReadUInt32());
+              }
+              input.PopLimit(limit);
+              break;
+            }
+            case 746: {
+              int length = input.ReadInt32();
+              int limit = input.PushLimit(length);
+              while (!input.ReachedLimit) {
+                AddPackedUint64(input.ReadUInt64());
+              }
+              input.PopLimit(limit);
+              break;
+            }
+            case 754: {
+              int length = input.ReadInt32();
+              int limit = input.PushLimit(length);
+              while (!input.ReachedLimit) {
+                AddPackedSint32(input.ReadSInt32());
+              }
+              input.PopLimit(limit);
+              break;
+            }
+            case 762: {
+              int length = input.ReadInt32();
+              int limit = input.PushLimit(length);
+              while (!input.ReachedLimit) {
+                AddPackedSint64(input.ReadSInt64());
+              }
+              input.PopLimit(limit);
+              break;
+            }
+            case 770: {
+              int length = input.ReadInt32();
+              int limit = input.PushLimit(length);
+              while (!input.ReachedLimit) {
+                AddPackedFixed32(input.ReadFixed32());
+              }
+              input.PopLimit(limit);
+              break;
+            }
+            case 778: {
+              int length = input.ReadInt32();
+              int limit = input.PushLimit(length);
+              while (!input.ReachedLimit) {
+                AddPackedFixed64(input.ReadFixed64());
+              }
+              input.PopLimit(limit);
+              break;
+            }
+            case 786: {
+              int length = input.ReadInt32();
+              int limit = input.PushLimit(length);
+              while (!input.ReachedLimit) {
+                AddPackedSfixed32(input.ReadSFixed32());
+              }
+              input.PopLimit(limit);
+              break;
+            }
+            case 794: {
+              int length = input.ReadInt32();
+              int limit = input.PushLimit(length);
+              while (!input.ReachedLimit) {
+                AddPackedSfixed64(input.ReadSFixed64());
+              }
+              input.PopLimit(limit);
+              break;
+            }
+            case 802: {
+              int length = input.ReadInt32();
+              int limit = input.PushLimit(length);
+              while (!input.ReachedLimit) {
+                AddPackedFloat(input.ReadFloat());
+              }
+              input.PopLimit(limit);
+              break;
+            }
+            case 810: {
+              int length = input.ReadInt32();
+              int limit = input.PushLimit(length);
+              while (!input.ReachedLimit) {
+                AddPackedDouble(input.ReadDouble());
+              }
+              input.PopLimit(limit);
+              break;
+            }
+            case 818: {
+              int length = input.ReadInt32();
+              int limit = input.PushLimit(length);
+              while (!input.ReachedLimit) {
+                AddPackedBool(input.ReadBool());
+              }
+              input.PopLimit(limit);
+              break;
+            }
+            case 826: {
+              int length = input.ReadInt32();
+              int oldLimit = input.PushLimit(length);
+              while (!input.ReachedLimit) {
+                int rawValue = input.ReadEnum();
+                if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.ForeignEnum), rawValue)) {
+                  if (unknownFields == null) {
+                    unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+                  }
+                  unknownFields.MergeVarintField(103, (ulong) rawValue);
+                } else {
+                  AddPackedEnum((global::Google.ProtocolBuffers.TestProtos.ForeignEnum) rawValue);
+                }
+              }
+              input.PopLimit(oldLimit);
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public pbc::IPopsicleList<int> PackedInt32List {
+        get { return result.packedInt32_; }
+      }
+      public int PackedInt32Count {
+        get { return result.PackedInt32Count; }
+      }
+      public int GetPackedInt32(int index) {
+        return result.GetPackedInt32(index);
+      }
+      public Builder SetPackedInt32(int index, int value) {
+        result.packedInt32_[index] = value;
+        return this;
+      }
+      public Builder AddPackedInt32(int value) {
+        result.packedInt32_.Add(value);
+        return this;
+      }
+      public Builder AddRangePackedInt32(scg::IEnumerable<int> values) {
+        base.AddRange(values, result.packedInt32_);
+        return this;
+      }
+      public Builder ClearPackedInt32() {
+        result.packedInt32_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<long> PackedInt64List {
+        get { return result.packedInt64_; }
+      }
+      public int PackedInt64Count {
+        get { return result.PackedInt64Count; }
+      }
+      public long GetPackedInt64(int index) {
+        return result.GetPackedInt64(index);
+      }
+      public Builder SetPackedInt64(int index, long value) {
+        result.packedInt64_[index] = value;
+        return this;
+      }
+      public Builder AddPackedInt64(long value) {
+        result.packedInt64_.Add(value);
+        return this;
+      }
+      public Builder AddRangePackedInt64(scg::IEnumerable<long> values) {
+        base.AddRange(values, result.packedInt64_);
+        return this;
+      }
+      public Builder ClearPackedInt64() {
+        result.packedInt64_.Clear();
+        return this;
+      }
+      
+      [global::System.CLSCompliant(false)]
+      public pbc::IPopsicleList<uint> PackedUint32List {
+        get { return result.packedUint32_; }
+      }
+      public int PackedUint32Count {
+        get { return result.PackedUint32Count; }
+      }
+      [global::System.CLSCompliant(false)]
+      public uint GetPackedUint32(int index) {
+        return result.GetPackedUint32(index);
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder SetPackedUint32(int index, uint value) {
+        result.packedUint32_[index] = value;
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddPackedUint32(uint value) {
+        result.packedUint32_.Add(value);
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddRangePackedUint32(scg::IEnumerable<uint> values) {
+        base.AddRange(values, result.packedUint32_);
+        return this;
+      }
+      public Builder ClearPackedUint32() {
+        result.packedUint32_.Clear();
+        return this;
+      }
+      
+      [global::System.CLSCompliant(false)]
+      public pbc::IPopsicleList<ulong> PackedUint64List {
+        get { return result.packedUint64_; }
+      }
+      public int PackedUint64Count {
+        get { return result.PackedUint64Count; }
+      }
+      [global::System.CLSCompliant(false)]
+      public ulong GetPackedUint64(int index) {
+        return result.GetPackedUint64(index);
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder SetPackedUint64(int index, ulong value) {
+        result.packedUint64_[index] = value;
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddPackedUint64(ulong value) {
+        result.packedUint64_.Add(value);
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddRangePackedUint64(scg::IEnumerable<ulong> values) {
+        base.AddRange(values, result.packedUint64_);
+        return this;
+      }
+      public Builder ClearPackedUint64() {
+        result.packedUint64_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<int> PackedSint32List {
+        get { return result.packedSint32_; }
+      }
+      public int PackedSint32Count {
+        get { return result.PackedSint32Count; }
+      }
+      public int GetPackedSint32(int index) {
+        return result.GetPackedSint32(index);
+      }
+      public Builder SetPackedSint32(int index, int value) {
+        result.packedSint32_[index] = value;
+        return this;
+      }
+      public Builder AddPackedSint32(int value) {
+        result.packedSint32_.Add(value);
+        return this;
+      }
+      public Builder AddRangePackedSint32(scg::IEnumerable<int> values) {
+        base.AddRange(values, result.packedSint32_);
+        return this;
+      }
+      public Builder ClearPackedSint32() {
+        result.packedSint32_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<long> PackedSint64List {
+        get { return result.packedSint64_; }
+      }
+      public int PackedSint64Count {
+        get { return result.PackedSint64Count; }
+      }
+      public long GetPackedSint64(int index) {
+        return result.GetPackedSint64(index);
+      }
+      public Builder SetPackedSint64(int index, long value) {
+        result.packedSint64_[index] = value;
+        return this;
+      }
+      public Builder AddPackedSint64(long value) {
+        result.packedSint64_.Add(value);
+        return this;
+      }
+      public Builder AddRangePackedSint64(scg::IEnumerable<long> values) {
+        base.AddRange(values, result.packedSint64_);
+        return this;
+      }
+      public Builder ClearPackedSint64() {
+        result.packedSint64_.Clear();
+        return this;
+      }
+      
+      [global::System.CLSCompliant(false)]
+      public pbc::IPopsicleList<uint> PackedFixed32List {
+        get { return result.packedFixed32_; }
+      }
+      public int PackedFixed32Count {
+        get { return result.PackedFixed32Count; }
+      }
+      [global::System.CLSCompliant(false)]
+      public uint GetPackedFixed32(int index) {
+        return result.GetPackedFixed32(index);
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder SetPackedFixed32(int index, uint value) {
+        result.packedFixed32_[index] = value;
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddPackedFixed32(uint value) {
+        result.packedFixed32_.Add(value);
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddRangePackedFixed32(scg::IEnumerable<uint> values) {
+        base.AddRange(values, result.packedFixed32_);
+        return this;
+      }
+      public Builder ClearPackedFixed32() {
+        result.packedFixed32_.Clear();
+        return this;
+      }
+      
+      [global::System.CLSCompliant(false)]
+      public pbc::IPopsicleList<ulong> PackedFixed64List {
+        get { return result.packedFixed64_; }
+      }
+      public int PackedFixed64Count {
+        get { return result.PackedFixed64Count; }
+      }
+      [global::System.CLSCompliant(false)]
+      public ulong GetPackedFixed64(int index) {
+        return result.GetPackedFixed64(index);
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder SetPackedFixed64(int index, ulong value) {
+        result.packedFixed64_[index] = value;
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddPackedFixed64(ulong value) {
+        result.packedFixed64_.Add(value);
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddRangePackedFixed64(scg::IEnumerable<ulong> values) {
+        base.AddRange(values, result.packedFixed64_);
+        return this;
+      }
+      public Builder ClearPackedFixed64() {
+        result.packedFixed64_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<int> PackedSfixed32List {
+        get { return result.packedSfixed32_; }
+      }
+      public int PackedSfixed32Count {
+        get { return result.PackedSfixed32Count; }
+      }
+      public int GetPackedSfixed32(int index) {
+        return result.GetPackedSfixed32(index);
+      }
+      public Builder SetPackedSfixed32(int index, int value) {
+        result.packedSfixed32_[index] = value;
+        return this;
+      }
+      public Builder AddPackedSfixed32(int value) {
+        result.packedSfixed32_.Add(value);
+        return this;
+      }
+      public Builder AddRangePackedSfixed32(scg::IEnumerable<int> values) {
+        base.AddRange(values, result.packedSfixed32_);
+        return this;
+      }
+      public Builder ClearPackedSfixed32() {
+        result.packedSfixed32_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<long> PackedSfixed64List {
+        get { return result.packedSfixed64_; }
+      }
+      public int PackedSfixed64Count {
+        get { return result.PackedSfixed64Count; }
+      }
+      public long GetPackedSfixed64(int index) {
+        return result.GetPackedSfixed64(index);
+      }
+      public Builder SetPackedSfixed64(int index, long value) {
+        result.packedSfixed64_[index] = value;
+        return this;
+      }
+      public Builder AddPackedSfixed64(long value) {
+        result.packedSfixed64_.Add(value);
+        return this;
+      }
+      public Builder AddRangePackedSfixed64(scg::IEnumerable<long> values) {
+        base.AddRange(values, result.packedSfixed64_);
+        return this;
+      }
+      public Builder ClearPackedSfixed64() {
+        result.packedSfixed64_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<float> PackedFloatList {
+        get { return result.packedFloat_; }
+      }
+      public int PackedFloatCount {
+        get { return result.PackedFloatCount; }
+      }
+      public float GetPackedFloat(int index) {
+        return result.GetPackedFloat(index);
+      }
+      public Builder SetPackedFloat(int index, float value) {
+        result.packedFloat_[index] = value;
+        return this;
+      }
+      public Builder AddPackedFloat(float value) {
+        result.packedFloat_.Add(value);
+        return this;
+      }
+      public Builder AddRangePackedFloat(scg::IEnumerable<float> values) {
+        base.AddRange(values, result.packedFloat_);
+        return this;
+      }
+      public Builder ClearPackedFloat() {
+        result.packedFloat_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<double> PackedDoubleList {
+        get { return result.packedDouble_; }
+      }
+      public int PackedDoubleCount {
+        get { return result.PackedDoubleCount; }
+      }
+      public double GetPackedDouble(int index) {
+        return result.GetPackedDouble(index);
+      }
+      public Builder SetPackedDouble(int index, double value) {
+        result.packedDouble_[index] = value;
+        return this;
+      }
+      public Builder AddPackedDouble(double value) {
+        result.packedDouble_.Add(value);
+        return this;
+      }
+      public Builder AddRangePackedDouble(scg::IEnumerable<double> values) {
+        base.AddRange(values, result.packedDouble_);
+        return this;
+      }
+      public Builder ClearPackedDouble() {
+        result.packedDouble_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<bool> PackedBoolList {
+        get { return result.packedBool_; }
+      }
+      public int PackedBoolCount {
+        get { return result.PackedBoolCount; }
+      }
+      public bool GetPackedBool(int index) {
+        return result.GetPackedBool(index);
+      }
+      public Builder SetPackedBool(int index, bool value) {
+        result.packedBool_[index] = value;
+        return this;
+      }
+      public Builder AddPackedBool(bool value) {
+        result.packedBool_.Add(value);
+        return this;
+      }
+      public Builder AddRangePackedBool(scg::IEnumerable<bool> values) {
+        base.AddRange(values, result.packedBool_);
+        return this;
+      }
+      public Builder ClearPackedBool() {
+        result.packedBool_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> PackedEnumList {
+        get { return result.packedEnum_; }
+      }
+      public int PackedEnumCount {
+        get { return result.PackedEnumCount; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ForeignEnum GetPackedEnum(int index) {
+        return result.GetPackedEnum(index);
+      }
+      public Builder SetPackedEnum(int index, global::Google.ProtocolBuffers.TestProtos.ForeignEnum value) {
+        result.packedEnum_[index] = value;
+        return this;
+      }
+      public Builder AddPackedEnum(global::Google.ProtocolBuffers.TestProtos.ForeignEnum value) {
+        result.packedEnum_.Add(value);
+        return this;
+      }
+      public Builder AddRangePackedEnum(scg::IEnumerable<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> values) {
+        base.AddRange(values, result.packedEnum_);
+        return this;
+      }
+      public Builder ClearPackedEnum() {
+        result.packedEnum_.Clear();
+        return this;
+      }
+    }
+    static TestPackedTypes() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class TestUnpackedTypes : pb::GeneratedMessage<TestUnpackedTypes, TestUnpackedTypes.Builder> {
+    private static readonly TestUnpackedTypes defaultInstance = new Builder().BuildPartial();
+    public static TestUnpackedTypes DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestUnpackedTypes DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestUnpackedTypes ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestUnpackedTypes__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestUnpackedTypes, TestUnpackedTypes.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestUnpackedTypes__FieldAccessorTable; }
+    }
+    
+    public const int UnpackedInt32FieldNumber = 90;
+    private pbc::PopsicleList<int> unpackedInt32_ = new pbc::PopsicleList<int>();
+    public scg::IList<int> UnpackedInt32List {
+      get { return pbc::Lists.AsReadOnly(unpackedInt32_); }
+    }
+    public int UnpackedInt32Count {
+      get { return unpackedInt32_.Count; }
+    }
+    public int GetUnpackedInt32(int index) {
+      return unpackedInt32_[index];
+    }
+    
+    public const int UnpackedInt64FieldNumber = 91;
+    private pbc::PopsicleList<long> unpackedInt64_ = new pbc::PopsicleList<long>();
+    public scg::IList<long> UnpackedInt64List {
+      get { return pbc::Lists.AsReadOnly(unpackedInt64_); }
+    }
+    public int UnpackedInt64Count {
+      get { return unpackedInt64_.Count; }
+    }
+    public long GetUnpackedInt64(int index) {
+      return unpackedInt64_[index];
+    }
+    
+    public const int UnpackedUint32FieldNumber = 92;
+    private pbc::PopsicleList<uint> unpackedUint32_ = new pbc::PopsicleList<uint>();
+    [global::System.CLSCompliant(false)]
+    public scg::IList<uint> UnpackedUint32List {
+      get { return pbc::Lists.AsReadOnly(unpackedUint32_); }
+    }
+    public int UnpackedUint32Count {
+      get { return unpackedUint32_.Count; }
+    }
+    [global::System.CLSCompliant(false)]
+    public uint GetUnpackedUint32(int index) {
+      return unpackedUint32_[index];
+    }
+    
+    public const int UnpackedUint64FieldNumber = 93;
+    private pbc::PopsicleList<ulong> unpackedUint64_ = new pbc::PopsicleList<ulong>();
+    [global::System.CLSCompliant(false)]
+    public scg::IList<ulong> UnpackedUint64List {
+      get { return pbc::Lists.AsReadOnly(unpackedUint64_); }
+    }
+    public int UnpackedUint64Count {
+      get { return unpackedUint64_.Count; }
+    }
+    [global::System.CLSCompliant(false)]
+    public ulong GetUnpackedUint64(int index) {
+      return unpackedUint64_[index];
+    }
+    
+    public const int UnpackedSint32FieldNumber = 94;
+    private pbc::PopsicleList<int> unpackedSint32_ = new pbc::PopsicleList<int>();
+    public scg::IList<int> UnpackedSint32List {
+      get { return pbc::Lists.AsReadOnly(unpackedSint32_); }
+    }
+    public int UnpackedSint32Count {
+      get { return unpackedSint32_.Count; }
+    }
+    public int GetUnpackedSint32(int index) {
+      return unpackedSint32_[index];
+    }
+    
+    public const int UnpackedSint64FieldNumber = 95;
+    private pbc::PopsicleList<long> unpackedSint64_ = new pbc::PopsicleList<long>();
+    public scg::IList<long> UnpackedSint64List {
+      get { return pbc::Lists.AsReadOnly(unpackedSint64_); }
+    }
+    public int UnpackedSint64Count {
+      get { return unpackedSint64_.Count; }
+    }
+    public long GetUnpackedSint64(int index) {
+      return unpackedSint64_[index];
+    }
+    
+    public const int UnpackedFixed32FieldNumber = 96;
+    private pbc::PopsicleList<uint> unpackedFixed32_ = new pbc::PopsicleList<uint>();
+    [global::System.CLSCompliant(false)]
+    public scg::IList<uint> UnpackedFixed32List {
+      get { return pbc::Lists.AsReadOnly(unpackedFixed32_); }
+    }
+    public int UnpackedFixed32Count {
+      get { return unpackedFixed32_.Count; }
+    }
+    [global::System.CLSCompliant(false)]
+    public uint GetUnpackedFixed32(int index) {
+      return unpackedFixed32_[index];
+    }
+    
+    public const int UnpackedFixed64FieldNumber = 97;
+    private pbc::PopsicleList<ulong> unpackedFixed64_ = new pbc::PopsicleList<ulong>();
+    [global::System.CLSCompliant(false)]
+    public scg::IList<ulong> UnpackedFixed64List {
+      get { return pbc::Lists.AsReadOnly(unpackedFixed64_); }
+    }
+    public int UnpackedFixed64Count {
+      get { return unpackedFixed64_.Count; }
+    }
+    [global::System.CLSCompliant(false)]
+    public ulong GetUnpackedFixed64(int index) {
+      return unpackedFixed64_[index];
+    }
+    
+    public const int UnpackedSfixed32FieldNumber = 98;
+    private pbc::PopsicleList<int> unpackedSfixed32_ = new pbc::PopsicleList<int>();
+    public scg::IList<int> UnpackedSfixed32List {
+      get { return pbc::Lists.AsReadOnly(unpackedSfixed32_); }
+    }
+    public int UnpackedSfixed32Count {
+      get { return unpackedSfixed32_.Count; }
+    }
+    public int GetUnpackedSfixed32(int index) {
+      return unpackedSfixed32_[index];
+    }
+    
+    public const int UnpackedSfixed64FieldNumber = 99;
+    private pbc::PopsicleList<long> unpackedSfixed64_ = new pbc::PopsicleList<long>();
+    public scg::IList<long> UnpackedSfixed64List {
+      get { return pbc::Lists.AsReadOnly(unpackedSfixed64_); }
+    }
+    public int UnpackedSfixed64Count {
+      get { return unpackedSfixed64_.Count; }
+    }
+    public long GetUnpackedSfixed64(int index) {
+      return unpackedSfixed64_[index];
+    }
+    
+    public const int UnpackedFloatFieldNumber = 100;
+    private pbc::PopsicleList<float> unpackedFloat_ = new pbc::PopsicleList<float>();
+    public scg::IList<float> UnpackedFloatList {
+      get { return pbc::Lists.AsReadOnly(unpackedFloat_); }
+    }
+    public int UnpackedFloatCount {
+      get { return unpackedFloat_.Count; }
+    }
+    public float GetUnpackedFloat(int index) {
+      return unpackedFloat_[index];
+    }
+    
+    public const int UnpackedDoubleFieldNumber = 101;
+    private pbc::PopsicleList<double> unpackedDouble_ = new pbc::PopsicleList<double>();
+    public scg::IList<double> UnpackedDoubleList {
+      get { return pbc::Lists.AsReadOnly(unpackedDouble_); }
+    }
+    public int UnpackedDoubleCount {
+      get { return unpackedDouble_.Count; }
+    }
+    public double GetUnpackedDouble(int index) {
+      return unpackedDouble_[index];
+    }
+    
+    public const int UnpackedBoolFieldNumber = 102;
+    private pbc::PopsicleList<bool> unpackedBool_ = new pbc::PopsicleList<bool>();
+    public scg::IList<bool> UnpackedBoolList {
+      get { return pbc::Lists.AsReadOnly(unpackedBool_); }
+    }
+    public int UnpackedBoolCount {
+      get { return unpackedBool_.Count; }
+    }
+    public bool GetUnpackedBool(int index) {
+      return unpackedBool_[index];
+    }
+    
+    public const int UnpackedEnumFieldNumber = 103;
+    private pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> unpackedEnum_ = new pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum>();
+    public scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> UnpackedEnumList {
+      get { return pbc::Lists.AsReadOnly(unpackedEnum_); }
+    }
+    public int UnpackedEnumCount {
+      get { return unpackedEnum_.Count; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ForeignEnum GetUnpackedEnum(int index) {
+      return unpackedEnum_[index];
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      if (unpackedInt32_.Count > 0) {
+        foreach (int element in unpackedInt32_) {
+          output.WriteInt32(90, element);
+        }
+      }
+      if (unpackedInt64_.Count > 0) {
+        foreach (long element in unpackedInt64_) {
+          output.WriteInt64(91, element);
+        }
+      }
+      if (unpackedUint32_.Count > 0) {
+        foreach (uint element in unpackedUint32_) {
+          output.WriteUInt32(92, element);
+        }
+      }
+      if (unpackedUint64_.Count > 0) {
+        foreach (ulong element in unpackedUint64_) {
+          output.WriteUInt64(93, element);
+        }
+      }
+      if (unpackedSint32_.Count > 0) {
+        foreach (int element in unpackedSint32_) {
+          output.WriteSInt32(94, element);
+        }
+      }
+      if (unpackedSint64_.Count > 0) {
+        foreach (long element in unpackedSint64_) {
+          output.WriteSInt64(95, element);
+        }
+      }
+      if (unpackedFixed32_.Count > 0) {
+        foreach (uint element in unpackedFixed32_) {
+          output.WriteFixed32(96, element);
+        }
+      }
+      if (unpackedFixed64_.Count > 0) {
+        foreach (ulong element in unpackedFixed64_) {
+          output.WriteFixed64(97, element);
+        }
+      }
+      if (unpackedSfixed32_.Count > 0) {
+        foreach (int element in unpackedSfixed32_) {
+          output.WriteSFixed32(98, element);
+        }
+      }
+      if (unpackedSfixed64_.Count > 0) {
+        foreach (long element in unpackedSfixed64_) {
+          output.WriteSFixed64(99, element);
+        }
+      }
+      if (unpackedFloat_.Count > 0) {
+        foreach (float element in unpackedFloat_) {
+          output.WriteFloat(100, element);
+        }
+      }
+      if (unpackedDouble_.Count > 0) {
+        foreach (double element in unpackedDouble_) {
+          output.WriteDouble(101, element);
+        }
+      }
+      if (unpackedBool_.Count > 0) {
+        foreach (bool element in unpackedBool_) {
+          output.WriteBool(102, element);
+        }
+      }
+      if (unpackedEnum_.Count > 0) {
+        foreach (int element in unpackedEnum_) {
+          output.WriteEnum(103, element);
+        }
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        {
+          int dataSize = 0;
+          foreach (int element in UnpackedInt32List) {
+            dataSize += pb::CodedOutputStream.ComputeInt32SizeNoTag(element);
+          }
+          size += dataSize;
+          size += 2 * unpackedInt32_.Count;
+        }
+        {
+          int dataSize = 0;
+          foreach (long element in UnpackedInt64List) {
+            dataSize += pb::CodedOutputStream.ComputeInt64SizeNoTag(element);
+          }
+          size += dataSize;
+          size += 2 * unpackedInt64_.Count;
+        }
+        {
+          int dataSize = 0;
+          foreach (uint element in UnpackedUint32List) {
+            dataSize += pb::CodedOutputStream.ComputeUInt32SizeNoTag(element);
+          }
+          size += dataSize;
+          size += 2 * unpackedUint32_.Count;
+        }
+        {
+          int dataSize = 0;
+          foreach (ulong element in UnpackedUint64List) {
+            dataSize += pb::CodedOutputStream.ComputeUInt64SizeNoTag(element);
+          }
+          size += dataSize;
+          size += 2 * unpackedUint64_.Count;
+        }
+        {
+          int dataSize = 0;
+          foreach (int element in UnpackedSint32List) {
+            dataSize += pb::CodedOutputStream.ComputeSInt32SizeNoTag(element);
+          }
+          size += dataSize;
+          size += 2 * unpackedSint32_.Count;
+        }
+        {
+          int dataSize = 0;
+          foreach (long element in UnpackedSint64List) {
+            dataSize += pb::CodedOutputStream.ComputeSInt64SizeNoTag(element);
+          }
+          size += dataSize;
+          size += 2 * unpackedSint64_.Count;
+        }
+        {
+          int dataSize = 0;
+          dataSize = 4 * unpackedFixed32_.Count;
+          size += dataSize;
+          size += 2 * unpackedFixed32_.Count;
+        }
+        {
+          int dataSize = 0;
+          dataSize = 8 * unpackedFixed64_.Count;
+          size += dataSize;
+          size += 2 * unpackedFixed64_.Count;
+        }
+        {
+          int dataSize = 0;
+          dataSize = 4 * unpackedSfixed32_.Count;
+          size += dataSize;
+          size += 2 * unpackedSfixed32_.Count;
+        }
+        {
+          int dataSize = 0;
+          dataSize = 8 * unpackedSfixed64_.Count;
+          size += dataSize;
+          size += 2 * unpackedSfixed64_.Count;
+        }
+        {
+          int dataSize = 0;
+          dataSize = 4 * unpackedFloat_.Count;
+          size += dataSize;
+          size += 2 * unpackedFloat_.Count;
+        }
+        {
+          int dataSize = 0;
+          dataSize = 8 * unpackedDouble_.Count;
+          size += dataSize;
+          size += 2 * unpackedDouble_.Count;
+        }
+        {
+          int dataSize = 0;
+          dataSize = 1 * unpackedBool_.Count;
+          size += dataSize;
+          size += 2 * unpackedBool_.Count;
+        }
+        {
+          int dataSize = 0;
+          if (unpackedEnum_.Count > 0) {
+            foreach (global::Google.ProtocolBuffers.TestProtos.ForeignEnum element in unpackedEnum_) {
+              dataSize += pb::CodedOutputStream.ComputeEnumSizeNoTag((int) element);
+            }
+            size += dataSize;
+            size += 2 * unpackedEnum_.Count;
+          }
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestUnpackedTypes ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestUnpackedTypes ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestUnpackedTypes ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestUnpackedTypes ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestUnpackedTypes ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestUnpackedTypes ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestUnpackedTypes ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static TestUnpackedTypes ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static TestUnpackedTypes ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestUnpackedTypes ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestUnpackedTypes prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestUnpackedTypes, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestUnpackedTypes result = new TestUnpackedTypes();
+      
+      protected override TestUnpackedTypes MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestUnpackedTypes();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestUnpackedTypes.Descriptor; }
+      }
+      
+      public override TestUnpackedTypes DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestUnpackedTypes.DefaultInstance; }
+      }
+      
+      public override TestUnpackedTypes BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        result.unpackedInt32_.MakeReadOnly();
+        result.unpackedInt64_.MakeReadOnly();
+        result.unpackedUint32_.MakeReadOnly();
+        result.unpackedUint64_.MakeReadOnly();
+        result.unpackedSint32_.MakeReadOnly();
+        result.unpackedSint64_.MakeReadOnly();
+        result.unpackedFixed32_.MakeReadOnly();
+        result.unpackedFixed64_.MakeReadOnly();
+        result.unpackedSfixed32_.MakeReadOnly();
+        result.unpackedSfixed64_.MakeReadOnly();
+        result.unpackedFloat_.MakeReadOnly();
+        result.unpackedDouble_.MakeReadOnly();
+        result.unpackedBool_.MakeReadOnly();
+        result.unpackedEnum_.MakeReadOnly();
+        TestUnpackedTypes returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestUnpackedTypes) {
+          return MergeFrom((TestUnpackedTypes) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestUnpackedTypes other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.TestUnpackedTypes.DefaultInstance) return this;
+        if (other.unpackedInt32_.Count != 0) {
+          base.AddRange(other.unpackedInt32_, result.unpackedInt32_);
+        }
+        if (other.unpackedInt64_.Count != 0) {
+          base.AddRange(other.unpackedInt64_, result.unpackedInt64_);
+        }
+        if (other.unpackedUint32_.Count != 0) {
+          base.AddRange(other.unpackedUint32_, result.unpackedUint32_);
+        }
+        if (other.unpackedUint64_.Count != 0) {
+          base.AddRange(other.unpackedUint64_, result.unpackedUint64_);
+        }
+        if (other.unpackedSint32_.Count != 0) {
+          base.AddRange(other.unpackedSint32_, result.unpackedSint32_);
+        }
+        if (other.unpackedSint64_.Count != 0) {
+          base.AddRange(other.unpackedSint64_, result.unpackedSint64_);
+        }
+        if (other.unpackedFixed32_.Count != 0) {
+          base.AddRange(other.unpackedFixed32_, result.unpackedFixed32_);
+        }
+        if (other.unpackedFixed64_.Count != 0) {
+          base.AddRange(other.unpackedFixed64_, result.unpackedFixed64_);
+        }
+        if (other.unpackedSfixed32_.Count != 0) {
+          base.AddRange(other.unpackedSfixed32_, result.unpackedSfixed32_);
+        }
+        if (other.unpackedSfixed64_.Count != 0) {
+          base.AddRange(other.unpackedSfixed64_, result.unpackedSfixed64_);
+        }
+        if (other.unpackedFloat_.Count != 0) {
+          base.AddRange(other.unpackedFloat_, result.unpackedFloat_);
+        }
+        if (other.unpackedDouble_.Count != 0) {
+          base.AddRange(other.unpackedDouble_, result.unpackedDouble_);
+        }
+        if (other.unpackedBool_.Count != 0) {
+          base.AddRange(other.unpackedBool_, result.unpackedBool_);
+        }
+        if (other.unpackedEnum_.Count != 0) {
+          base.AddRange(other.unpackedEnum_, result.unpackedEnum_);
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+            case 720: {
+              AddUnpackedInt32(input.ReadInt32());
+              break;
+            }
+            case 728: {
+              AddUnpackedInt64(input.ReadInt64());
+              break;
+            }
+            case 736: {
+              AddUnpackedUint32(input.ReadUInt32());
+              break;
+            }
+            case 744: {
+              AddUnpackedUint64(input.ReadUInt64());
+              break;
+            }
+            case 752: {
+              AddUnpackedSint32(input.ReadSInt32());
+              break;
+            }
+            case 760: {
+              AddUnpackedSint64(input.ReadSInt64());
+              break;
+            }
+            case 773: {
+              AddUnpackedFixed32(input.ReadFixed32());
+              break;
+            }
+            case 777: {
+              AddUnpackedFixed64(input.ReadFixed64());
+              break;
+            }
+            case 789: {
+              AddUnpackedSfixed32(input.ReadSFixed32());
+              break;
+            }
+            case 793: {
+              AddUnpackedSfixed64(input.ReadSFixed64());
+              break;
+            }
+            case 805: {
+              AddUnpackedFloat(input.ReadFloat());
+              break;
+            }
+            case 809: {
+              AddUnpackedDouble(input.ReadDouble());
+              break;
+            }
+            case 816: {
+              AddUnpackedBool(input.ReadBool());
+              break;
+            }
+            case 824: {
+              int rawValue = input.ReadEnum();
+              if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.ForeignEnum), rawValue)) {
+                if (unknownFields == null) {
+                  unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+                }
+                unknownFields.MergeVarintField(103, (ulong) rawValue);
+              } else {
+                AddUnpackedEnum((global::Google.ProtocolBuffers.TestProtos.ForeignEnum) rawValue);
+              }
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public pbc::IPopsicleList<int> UnpackedInt32List {
+        get { return result.unpackedInt32_; }
+      }
+      public int UnpackedInt32Count {
+        get { return result.UnpackedInt32Count; }
+      }
+      public int GetUnpackedInt32(int index) {
+        return result.GetUnpackedInt32(index);
+      }
+      public Builder SetUnpackedInt32(int index, int value) {
+        result.unpackedInt32_[index] = value;
+        return this;
+      }
+      public Builder AddUnpackedInt32(int value) {
+        result.unpackedInt32_.Add(value);
+        return this;
+      }
+      public Builder AddRangeUnpackedInt32(scg::IEnumerable<int> values) {
+        base.AddRange(values, result.unpackedInt32_);
+        return this;
+      }
+      public Builder ClearUnpackedInt32() {
+        result.unpackedInt32_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<long> UnpackedInt64List {
+        get { return result.unpackedInt64_; }
+      }
+      public int UnpackedInt64Count {
+        get { return result.UnpackedInt64Count; }
+      }
+      public long GetUnpackedInt64(int index) {
+        return result.GetUnpackedInt64(index);
+      }
+      public Builder SetUnpackedInt64(int index, long value) {
+        result.unpackedInt64_[index] = value;
+        return this;
+      }
+      public Builder AddUnpackedInt64(long value) {
+        result.unpackedInt64_.Add(value);
+        return this;
+      }
+      public Builder AddRangeUnpackedInt64(scg::IEnumerable<long> values) {
+        base.AddRange(values, result.unpackedInt64_);
+        return this;
+      }
+      public Builder ClearUnpackedInt64() {
+        result.unpackedInt64_.Clear();
+        return this;
+      }
+      
+      [global::System.CLSCompliant(false)]
+      public pbc::IPopsicleList<uint> UnpackedUint32List {
+        get { return result.unpackedUint32_; }
+      }
+      public int UnpackedUint32Count {
+        get { return result.UnpackedUint32Count; }
+      }
+      [global::System.CLSCompliant(false)]
+      public uint GetUnpackedUint32(int index) {
+        return result.GetUnpackedUint32(index);
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder SetUnpackedUint32(int index, uint value) {
+        result.unpackedUint32_[index] = value;
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddUnpackedUint32(uint value) {
+        result.unpackedUint32_.Add(value);
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddRangeUnpackedUint32(scg::IEnumerable<uint> values) {
+        base.AddRange(values, result.unpackedUint32_);
+        return this;
+      }
+      public Builder ClearUnpackedUint32() {
+        result.unpackedUint32_.Clear();
+        return this;
+      }
+      
+      [global::System.CLSCompliant(false)]
+      public pbc::IPopsicleList<ulong> UnpackedUint64List {
+        get { return result.unpackedUint64_; }
+      }
+      public int UnpackedUint64Count {
+        get { return result.UnpackedUint64Count; }
+      }
+      [global::System.CLSCompliant(false)]
+      public ulong GetUnpackedUint64(int index) {
+        return result.GetUnpackedUint64(index);
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder SetUnpackedUint64(int index, ulong value) {
+        result.unpackedUint64_[index] = value;
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddUnpackedUint64(ulong value) {
+        result.unpackedUint64_.Add(value);
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddRangeUnpackedUint64(scg::IEnumerable<ulong> values) {
+        base.AddRange(values, result.unpackedUint64_);
+        return this;
+      }
+      public Builder ClearUnpackedUint64() {
+        result.unpackedUint64_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<int> UnpackedSint32List {
+        get { return result.unpackedSint32_; }
+      }
+      public int UnpackedSint32Count {
+        get { return result.UnpackedSint32Count; }
+      }
+      public int GetUnpackedSint32(int index) {
+        return result.GetUnpackedSint32(index);
+      }
+      public Builder SetUnpackedSint32(int index, int value) {
+        result.unpackedSint32_[index] = value;
+        return this;
+      }
+      public Builder AddUnpackedSint32(int value) {
+        result.unpackedSint32_.Add(value);
+        return this;
+      }
+      public Builder AddRangeUnpackedSint32(scg::IEnumerable<int> values) {
+        base.AddRange(values, result.unpackedSint32_);
+        return this;
+      }
+      public Builder ClearUnpackedSint32() {
+        result.unpackedSint32_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<long> UnpackedSint64List {
+        get { return result.unpackedSint64_; }
+      }
+      public int UnpackedSint64Count {
+        get { return result.UnpackedSint64Count; }
+      }
+      public long GetUnpackedSint64(int index) {
+        return result.GetUnpackedSint64(index);
+      }
+      public Builder SetUnpackedSint64(int index, long value) {
+        result.unpackedSint64_[index] = value;
+        return this;
+      }
+      public Builder AddUnpackedSint64(long value) {
+        result.unpackedSint64_.Add(value);
+        return this;
+      }
+      public Builder AddRangeUnpackedSint64(scg::IEnumerable<long> values) {
+        base.AddRange(values, result.unpackedSint64_);
+        return this;
+      }
+      public Builder ClearUnpackedSint64() {
+        result.unpackedSint64_.Clear();
+        return this;
+      }
+      
+      [global::System.CLSCompliant(false)]
+      public pbc::IPopsicleList<uint> UnpackedFixed32List {
+        get { return result.unpackedFixed32_; }
+      }
+      public int UnpackedFixed32Count {
+        get { return result.UnpackedFixed32Count; }
+      }
+      [global::System.CLSCompliant(false)]
+      public uint GetUnpackedFixed32(int index) {
+        return result.GetUnpackedFixed32(index);
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder SetUnpackedFixed32(int index, uint value) {
+        result.unpackedFixed32_[index] = value;
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddUnpackedFixed32(uint value) {
+        result.unpackedFixed32_.Add(value);
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddRangeUnpackedFixed32(scg::IEnumerable<uint> values) {
+        base.AddRange(values, result.unpackedFixed32_);
+        return this;
+      }
+      public Builder ClearUnpackedFixed32() {
+        result.unpackedFixed32_.Clear();
+        return this;
+      }
+      
+      [global::System.CLSCompliant(false)]
+      public pbc::IPopsicleList<ulong> UnpackedFixed64List {
+        get { return result.unpackedFixed64_; }
+      }
+      public int UnpackedFixed64Count {
+        get { return result.UnpackedFixed64Count; }
+      }
+      [global::System.CLSCompliant(false)]
+      public ulong GetUnpackedFixed64(int index) {
+        return result.GetUnpackedFixed64(index);
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder SetUnpackedFixed64(int index, ulong value) {
+        result.unpackedFixed64_[index] = value;
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddUnpackedFixed64(ulong value) {
+        result.unpackedFixed64_.Add(value);
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddRangeUnpackedFixed64(scg::IEnumerable<ulong> values) {
+        base.AddRange(values, result.unpackedFixed64_);
+        return this;
+      }
+      public Builder ClearUnpackedFixed64() {
+        result.unpackedFixed64_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<int> UnpackedSfixed32List {
+        get { return result.unpackedSfixed32_; }
+      }
+      public int UnpackedSfixed32Count {
+        get { return result.UnpackedSfixed32Count; }
+      }
+      public int GetUnpackedSfixed32(int index) {
+        return result.GetUnpackedSfixed32(index);
+      }
+      public Builder SetUnpackedSfixed32(int index, int value) {
+        result.unpackedSfixed32_[index] = value;
+        return this;
+      }
+      public Builder AddUnpackedSfixed32(int value) {
+        result.unpackedSfixed32_.Add(value);
+        return this;
+      }
+      public Builder AddRangeUnpackedSfixed32(scg::IEnumerable<int> values) {
+        base.AddRange(values, result.unpackedSfixed32_);
+        return this;
+      }
+      public Builder ClearUnpackedSfixed32() {
+        result.unpackedSfixed32_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<long> UnpackedSfixed64List {
+        get { return result.unpackedSfixed64_; }
+      }
+      public int UnpackedSfixed64Count {
+        get { return result.UnpackedSfixed64Count; }
+      }
+      public long GetUnpackedSfixed64(int index) {
+        return result.GetUnpackedSfixed64(index);
+      }
+      public Builder SetUnpackedSfixed64(int index, long value) {
+        result.unpackedSfixed64_[index] = value;
+        return this;
+      }
+      public Builder AddUnpackedSfixed64(long value) {
+        result.unpackedSfixed64_.Add(value);
+        return this;
+      }
+      public Builder AddRangeUnpackedSfixed64(scg::IEnumerable<long> values) {
+        base.AddRange(values, result.unpackedSfixed64_);
+        return this;
+      }
+      public Builder ClearUnpackedSfixed64() {
+        result.unpackedSfixed64_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<float> UnpackedFloatList {
+        get { return result.unpackedFloat_; }
+      }
+      public int UnpackedFloatCount {
+        get { return result.UnpackedFloatCount; }
+      }
+      public float GetUnpackedFloat(int index) {
+        return result.GetUnpackedFloat(index);
+      }
+      public Builder SetUnpackedFloat(int index, float value) {
+        result.unpackedFloat_[index] = value;
+        return this;
+      }
+      public Builder AddUnpackedFloat(float value) {
+        result.unpackedFloat_.Add(value);
+        return this;
+      }
+      public Builder AddRangeUnpackedFloat(scg::IEnumerable<float> values) {
+        base.AddRange(values, result.unpackedFloat_);
+        return this;
+      }
+      public Builder ClearUnpackedFloat() {
+        result.unpackedFloat_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<double> UnpackedDoubleList {
+        get { return result.unpackedDouble_; }
+      }
+      public int UnpackedDoubleCount {
+        get { return result.UnpackedDoubleCount; }
+      }
+      public double GetUnpackedDouble(int index) {
+        return result.GetUnpackedDouble(index);
+      }
+      public Builder SetUnpackedDouble(int index, double value) {
+        result.unpackedDouble_[index] = value;
+        return this;
+      }
+      public Builder AddUnpackedDouble(double value) {
+        result.unpackedDouble_.Add(value);
+        return this;
+      }
+      public Builder AddRangeUnpackedDouble(scg::IEnumerable<double> values) {
+        base.AddRange(values, result.unpackedDouble_);
+        return this;
+      }
+      public Builder ClearUnpackedDouble() {
+        result.unpackedDouble_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<bool> UnpackedBoolList {
+        get { return result.unpackedBool_; }
+      }
+      public int UnpackedBoolCount {
+        get { return result.UnpackedBoolCount; }
+      }
+      public bool GetUnpackedBool(int index) {
+        return result.GetUnpackedBool(index);
+      }
+      public Builder SetUnpackedBool(int index, bool value) {
+        result.unpackedBool_[index] = value;
+        return this;
+      }
+      public Builder AddUnpackedBool(bool value) {
+        result.unpackedBool_.Add(value);
+        return this;
+      }
+      public Builder AddRangeUnpackedBool(scg::IEnumerable<bool> values) {
+        base.AddRange(values, result.unpackedBool_);
+        return this;
+      }
+      public Builder ClearUnpackedBool() {
+        result.unpackedBool_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> UnpackedEnumList {
+        get { return result.unpackedEnum_; }
+      }
+      public int UnpackedEnumCount {
+        get { return result.UnpackedEnumCount; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ForeignEnum GetUnpackedEnum(int index) {
+        return result.GetUnpackedEnum(index);
+      }
+      public Builder SetUnpackedEnum(int index, global::Google.ProtocolBuffers.TestProtos.ForeignEnum value) {
+        result.unpackedEnum_[index] = value;
+        return this;
+      }
+      public Builder AddUnpackedEnum(global::Google.ProtocolBuffers.TestProtos.ForeignEnum value) {
+        result.unpackedEnum_.Add(value);
+        return this;
+      }
+      public Builder AddRangeUnpackedEnum(scg::IEnumerable<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> values) {
+        base.AddRange(values, result.unpackedEnum_);
+        return this;
+      }
+      public Builder ClearUnpackedEnum() {
+        result.unpackedEnum_.Clear();
+        return this;
+      }
+    }
+    static TestUnpackedTypes() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class TestPackedExtensions : pb::ExtendableMessage<TestPackedExtensions, TestPackedExtensions.Builder> {
+    private static readonly TestPackedExtensions defaultInstance = new Builder().BuildPartial();
+    public static TestPackedExtensions DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestPackedExtensions DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestPackedExtensions ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestPackedExtensions__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestPackedExtensions, TestPackedExtensions.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestPackedExtensions__FieldAccessorTable; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        if (!ExtensionsAreInitialized) return false;
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      pb::ExtendableMessage<TestPackedExtensions, TestPackedExtensions.Builder>.ExtensionWriter extensionWriter = CreateExtensionWriter(this);
+      extensionWriter.WriteUntil(536870912, output);
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        size += ExtensionsSerializedSize;
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestPackedExtensions ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestPackedExtensions ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestPackedExtensions ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestPackedExtensions ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestPackedExtensions ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestPackedExtensions ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestPackedExtensions ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static TestPackedExtensions ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static TestPackedExtensions ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestPackedExtensions ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestPackedExtensions prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::ExtendableBuilder<TestPackedExtensions, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestPackedExtensions result = new TestPackedExtensions();
+      
+      protected override TestPackedExtensions MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestPackedExtensions();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestPackedExtensions.Descriptor; }
+      }
+      
+      public override TestPackedExtensions DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestPackedExtensions.DefaultInstance; }
+      }
+      
+      public override TestPackedExtensions BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        TestPackedExtensions returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestPackedExtensions) {
+          return MergeFrom((TestPackedExtensions) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestPackedExtensions other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.TestPackedExtensions.DefaultInstance) return this;
+          this.MergeExtensionFields(other);
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+          }
+        }
+      }
+      
+    }
+    static TestPackedExtensions() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class TestDynamicExtensions : pb::GeneratedMessage<TestDynamicExtensions, TestDynamicExtensions.Builder> {
+    private static readonly TestDynamicExtensions defaultInstance = new Builder().BuildPartial();
+    public static TestDynamicExtensions DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestDynamicExtensions DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestDynamicExtensions ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestDynamicExtensions__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestDynamicExtensions, TestDynamicExtensions.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestDynamicExtensions__FieldAccessorTable; }
+    }
+    
+    #region Nested types
+    public static class Types {
+      public enum DynamicEnumType {
+        DYNAMIC_FOO = 2200,
+        DYNAMIC_BAR = 2201,
+        DYNAMIC_BAZ = 2202,
+      }
+      
+      public sealed partial class DynamicMessageType : pb::GeneratedMessage<DynamicMessageType, DynamicMessageType.Builder> {
+        private static readonly DynamicMessageType defaultInstance = new Builder().BuildPartial();
+        public static DynamicMessageType DefaultInstance {
+          get { return defaultInstance; }
+        }
+        
+        public override DynamicMessageType DefaultInstanceForType {
+          get { return defaultInstance; }
+        }
+        
+        protected override DynamicMessageType ThisMessage {
+          get { return this; }
+        }
+        
+        public static pbd::MessageDescriptor Descriptor {
+          get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestDynamicExtensions_DynamicMessageType__Descriptor; }
+        }
+        
+        protected override pb::FieldAccess.FieldAccessorTable<DynamicMessageType, DynamicMessageType.Builder> InternalFieldAccessors {
+          get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestDynamicExtensions_DynamicMessageType__FieldAccessorTable; }
+        }
+        
+        public const int DynamicFieldFieldNumber = 2100;
+        private bool hasDynamicField;
+        private int dynamicField_ = 0;
+        public bool HasDynamicField {
+          get { return hasDynamicField; }
+        }
+        public int DynamicField {
+          get { return dynamicField_; }
+        }
+        
+        public override bool IsInitialized {
+          get {
+            return true;
+          }
+        }
+        
+        public override void WriteTo(pb::CodedOutputStream output) {
+          int size = SerializedSize;
+          if (HasDynamicField) {
+            output.WriteInt32(2100, DynamicField);
+          }
+          UnknownFields.WriteTo(output);
+        }
+        
+        private int memoizedSerializedSize = -1;
+        public override int SerializedSize {
+          get {
+            int size = memoizedSerializedSize;
+            if (size != -1) return size;
+            
+            size = 0;
+            if (HasDynamicField) {
+              size += pb::CodedOutputStream.ComputeInt32Size(2100, DynamicField);
+            }
+            size += UnknownFields.SerializedSize;
+            memoizedSerializedSize = size;
+            return size;
+          }
+        }
+        
+        public static DynamicMessageType ParseFrom(pb::ByteString data) {
+          return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+        }
+        public static DynamicMessageType ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+        }
+        public static DynamicMessageType ParseFrom(byte[] data) {
+          return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+        }
+        public static DynamicMessageType ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+        }
+        public static DynamicMessageType ParseFrom(global::System.IO.Stream input) {
+          return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+        }
+        public static DynamicMessageType ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+        }
+        public static DynamicMessageType ParseDelimitedFrom(global::System.IO.Stream input) {
+          return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+        }
+        public static DynamicMessageType ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+          return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+        }
+        public static DynamicMessageType ParseFrom(pb::CodedInputStream input) {
+          return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+        }
+        public static DynamicMessageType ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+        }
+        public static Builder CreateBuilder() { return new Builder(); }
+        public override Builder ToBuilder() { return CreateBuilder(this); }
+        public override Builder CreateBuilderForType() { return new Builder(); }
+        public static Builder CreateBuilder(DynamicMessageType prototype) {
+          return (Builder) new Builder().MergeFrom(prototype);
+        }
+        
+        public sealed partial class Builder : pb::GeneratedBuilder<DynamicMessageType, Builder> {
+          protected override Builder ThisBuilder {
+            get { return this; }
+          }
+          public Builder() {}
+          
+          DynamicMessageType result = new DynamicMessageType();
+          
+          protected override DynamicMessageType MessageBeingBuilt {
+            get { return result; }
+          }
+          
+          public override Builder Clear() {
+            result = new DynamicMessageType();
+            return this;
+          }
+          
+          public override Builder Clone() {
+            return new Builder().MergeFrom(result);
+          }
+          
+          public override pbd::MessageDescriptor DescriptorForType {
+            get { return global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicMessageType.Descriptor; }
+          }
+          
+          public override DynamicMessageType DefaultInstanceForType {
+            get { return global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicMessageType.DefaultInstance; }
+          }
+          
+          public override DynamicMessageType BuildPartial() {
+            if (result == null) {
+              throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+            }
+            DynamicMessageType returnMe = result;
+            result = null;
+            return returnMe;
+          }
+          
+          public override Builder MergeFrom(pb::IMessage other) {
+            if (other is DynamicMessageType) {
+              return MergeFrom((DynamicMessageType) other);
+            } else {
+              base.MergeFrom(other);
+              return this;
+            }
+          }
+          
+          public override Builder MergeFrom(DynamicMessageType other) {
+            if (other == global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicMessageType.DefaultInstance) return this;
+            if (other.HasDynamicField) {
+              DynamicField = other.DynamicField;
+            }
+            this.MergeUnknownFields(other.UnknownFields);
+            return this;
+          }
+          
+          public override Builder MergeFrom(pb::CodedInputStream input) {
+            return MergeFrom(input, pb::ExtensionRegistry.Empty);
+          }
+          
+          public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+            pb::UnknownFieldSet.Builder unknownFields = null;
+            while (true) {
+              uint tag = input.ReadTag();
+              switch (tag) {
+                case 0: {
+                  if (unknownFields != null) {
+                    this.UnknownFields = unknownFields.Build();
+                  }
+                  return this;
+                }
+                default: {
+                  if (pb::WireFormat.IsEndGroupTag(tag)) {
+                    if (unknownFields != null) {
+                      this.UnknownFields = unknownFields.Build();
+                    }
+                    return this;
+                  }
+                  if (unknownFields == null) {
+                    unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+                  }
+                  ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+                  break;
+                }
+                case 16800: {
+                  DynamicField = input.ReadInt32();
+                  break;
+                }
+              }
+            }
+          }
+          
+          
+          public bool HasDynamicField {
+            get { return result.HasDynamicField; }
+          }
+          public int DynamicField {
+            get { return result.DynamicField; }
+            set { SetDynamicField(value); }
+          }
+          public Builder SetDynamicField(int value) {
+            result.hasDynamicField = true;
+            result.dynamicField_ = value;
+            return this;
+          }
+          public Builder ClearDynamicField() {
+            result.hasDynamicField = false;
+            result.dynamicField_ = 0;
+            return this;
+          }
+        }
+        static DynamicMessageType() {
+          object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+        }
+      }
+      
+    }
+    #endregion
+    
+    public const int ScalarExtensionFieldNumber = 2000;
+    private bool hasScalarExtension;
+    private uint scalarExtension_ = 0;
+    public bool HasScalarExtension {
+      get { return hasScalarExtension; }
+    }
+    [global::System.CLSCompliant(false)]
+    public uint ScalarExtension {
+      get { return scalarExtension_; }
+    }
+    
+    public const int EnumExtensionFieldNumber = 2001;
+    private bool hasEnumExtension;
+    private global::Google.ProtocolBuffers.TestProtos.ForeignEnum enumExtension_ = global::Google.ProtocolBuffers.TestProtos.ForeignEnum.FOREIGN_FOO;
+    public bool HasEnumExtension {
+      get { return hasEnumExtension; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ForeignEnum EnumExtension {
+      get { return enumExtension_; }
+    }
+    
+    public const int DynamicEnumExtensionFieldNumber = 2002;
+    private bool hasDynamicEnumExtension;
+    private global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicEnumType dynamicEnumExtension_ = global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicEnumType.DYNAMIC_FOO;
+    public bool HasDynamicEnumExtension {
+      get { return hasDynamicEnumExtension; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicEnumType DynamicEnumExtension {
+      get { return dynamicEnumExtension_; }
+    }
+    
+    public const int MessageExtensionFieldNumber = 2003;
+    private bool hasMessageExtension;
+    private global::Google.ProtocolBuffers.TestProtos.ForeignMessage messageExtension_ = global::Google.ProtocolBuffers.TestProtos.ForeignMessage.DefaultInstance;
+    public bool HasMessageExtension {
+      get { return hasMessageExtension; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ForeignMessage MessageExtension {
+      get { return messageExtension_; }
+    }
+    
+    public const int DynamicMessageExtensionFieldNumber = 2004;
+    private bool hasDynamicMessageExtension;
+    private global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicMessageType dynamicMessageExtension_ = global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicMessageType.DefaultInstance;
+    public bool HasDynamicMessageExtension {
+      get { return hasDynamicMessageExtension; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicMessageType DynamicMessageExtension {
+      get { return dynamicMessageExtension_; }
+    }
+    
+    public const int RepeatedExtensionFieldNumber = 2005;
+    private pbc::PopsicleList<string> repeatedExtension_ = new pbc::PopsicleList<string>();
+    public scg::IList<string> RepeatedExtensionList {
+      get { return pbc::Lists.AsReadOnly(repeatedExtension_); }
+    }
+    public int RepeatedExtensionCount {
+      get { return repeatedExtension_.Count; }
+    }
+    public string GetRepeatedExtension(int index) {
+      return repeatedExtension_[index];
+    }
+    
+    public const int PackedExtensionFieldNumber = 2006;
+    private int packedExtensionMemoizedSerializedSize;
+    private pbc::PopsicleList<int> packedExtension_ = new pbc::PopsicleList<int>();
+    public scg::IList<int> PackedExtensionList {
+      get { return pbc::Lists.AsReadOnly(packedExtension_); }
+    }
+    public int PackedExtensionCount {
+      get { return packedExtension_.Count; }
+    }
+    public int GetPackedExtension(int index) {
+      return packedExtension_[index];
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      if (HasScalarExtension) {
+        output.WriteFixed32(2000, ScalarExtension);
+      }
+      if (HasEnumExtension) {
+        output.WriteEnum(2001, (int) EnumExtension);
+      }
+      if (HasDynamicEnumExtension) {
+        output.WriteEnum(2002, (int) DynamicEnumExtension);
+      }
+      if (HasMessageExtension) {
+        output.WriteMessage(2003, MessageExtension);
+      }
+      if (HasDynamicMessageExtension) {
+        output.WriteMessage(2004, DynamicMessageExtension);
+      }
+      if (repeatedExtension_.Count > 0) {
+        foreach (string element in repeatedExtension_) {
+          output.WriteString(2005, element);
+        }
+      }
+      if (packedExtension_.Count > 0) {
+        output.WriteRawVarint32(16050);
+        output.WriteRawVarint32((uint) packedExtensionMemoizedSerializedSize);
+        foreach (int element in packedExtension_) {
+          output.WriteSInt32NoTag(element);
+        }
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasScalarExtension) {
+          size += pb::CodedOutputStream.ComputeFixed32Size(2000, ScalarExtension);
+        }
+        if (HasEnumExtension) {
+          size += pb::CodedOutputStream.ComputeEnumSize(2001, (int) EnumExtension);
+        }
+        if (HasDynamicEnumExtension) {
+          size += pb::CodedOutputStream.ComputeEnumSize(2002, (int) DynamicEnumExtension);
+        }
+        if (HasMessageExtension) {
+          size += pb::CodedOutputStream.ComputeMessageSize(2003, MessageExtension);
+        }
+        if (HasDynamicMessageExtension) {
+          size += pb::CodedOutputStream.ComputeMessageSize(2004, DynamicMessageExtension);
+        }
+        {
+          int dataSize = 0;
+          foreach (string element in RepeatedExtensionList) {
+            dataSize += pb::CodedOutputStream.ComputeStringSizeNoTag(element);
+          }
+          size += dataSize;
+          size += 2 * repeatedExtension_.Count;
+        }
+        {
+          int dataSize = 0;
+          foreach (int element in PackedExtensionList) {
+            dataSize += pb::CodedOutputStream.ComputeSInt32SizeNoTag(element);
+          }
+          size += dataSize;
+          if (packedExtension_.Count != 0) {
+            size += 2 + pb::CodedOutputStream.ComputeInt32SizeNoTag(dataSize);
+          }
+          packedExtensionMemoizedSerializedSize = dataSize;
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestDynamicExtensions ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestDynamicExtensions ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestDynamicExtensions ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestDynamicExtensions ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestDynamicExtensions ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestDynamicExtensions ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestDynamicExtensions ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static TestDynamicExtensions ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static TestDynamicExtensions ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestDynamicExtensions ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestDynamicExtensions prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestDynamicExtensions, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestDynamicExtensions result = new TestDynamicExtensions();
+      
+      protected override TestDynamicExtensions MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestDynamicExtensions();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Descriptor; }
+      }
+      
+      public override TestDynamicExtensions DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.DefaultInstance; }
+      }
+      
+      public override TestDynamicExtensions BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        result.repeatedExtension_.MakeReadOnly();
+        result.packedExtension_.MakeReadOnly();
+        TestDynamicExtensions returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestDynamicExtensions) {
+          return MergeFrom((TestDynamicExtensions) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestDynamicExtensions other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.DefaultInstance) return this;
+        if (other.HasScalarExtension) {
+          ScalarExtension = other.ScalarExtension;
+        }
+        if (other.HasEnumExtension) {
+          EnumExtension = other.EnumExtension;
+        }
+        if (other.HasDynamicEnumExtension) {
+          DynamicEnumExtension = other.DynamicEnumExtension;
+        }
+        if (other.HasMessageExtension) {
+          MergeMessageExtension(other.MessageExtension);
+        }
+        if (other.HasDynamicMessageExtension) {
+          MergeDynamicMessageExtension(other.DynamicMessageExtension);
+        }
+        if (other.repeatedExtension_.Count != 0) {
+          base.AddRange(other.repeatedExtension_, result.repeatedExtension_);
+        }
+        if (other.packedExtension_.Count != 0) {
+          base.AddRange(other.packedExtension_, result.packedExtension_);
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+            case 16005: {
+              ScalarExtension = input.ReadFixed32();
+              break;
+            }
+            case 16008: {
+              int rawValue = input.ReadEnum();
+              if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.ForeignEnum), rawValue)) {
+                if (unknownFields == null) {
+                  unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+                }
+                unknownFields.MergeVarintField(2001, (ulong) rawValue);
+              } else {
+                EnumExtension = (global::Google.ProtocolBuffers.TestProtos.ForeignEnum) rawValue;
+              }
+              break;
+            }
+            case 16016: {
+              int rawValue = input.ReadEnum();
+              if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicEnumType), rawValue)) {
+                if (unknownFields == null) {
+                  unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+                }
+                unknownFields.MergeVarintField(2002, (ulong) rawValue);
+              } else {
+                DynamicEnumExtension = (global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicEnumType) rawValue;
+              }
+              break;
+            }
+            case 16026: {
+              global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.ForeignMessage.CreateBuilder();
+              if (HasMessageExtension) {
+                subBuilder.MergeFrom(MessageExtension);
+              }
+              input.ReadMessage(subBuilder, extensionRegistry);
+              MessageExtension = subBuilder.BuildPartial();
+              break;
+            }
+            case 16034: {
+              global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicMessageType.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicMessageType.CreateBuilder();
+              if (HasDynamicMessageExtension) {
+                subBuilder.MergeFrom(DynamicMessageExtension);
+              }
+              input.ReadMessage(subBuilder, extensionRegistry);
+              DynamicMessageExtension = subBuilder.BuildPartial();
+              break;
+            }
+            case 16042: {
+              AddRepeatedExtension(input.ReadString());
+              break;
+            }
+            case 16050: {
+              int length = input.ReadInt32();
+              int limit = input.PushLimit(length);
+              while (!input.ReachedLimit) {
+                AddPackedExtension(input.ReadSInt32());
+              }
+              input.PopLimit(limit);
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasScalarExtension {
+        get { return result.HasScalarExtension; }
+      }
+      [global::System.CLSCompliant(false)]
+      public uint ScalarExtension {
+        get { return result.ScalarExtension; }
+        set { SetScalarExtension(value); }
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder SetScalarExtension(uint value) {
+        result.hasScalarExtension = true;
+        result.scalarExtension_ = value;
+        return this;
+      }
+      public Builder ClearScalarExtension() {
+        result.hasScalarExtension = false;
+        result.scalarExtension_ = 0;
+        return this;
+      }
+      
+      public bool HasEnumExtension {
+       get { return result.HasEnumExtension; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ForeignEnum EnumExtension {
+        get { return result.EnumExtension; }
+        set { SetEnumExtension(value); }
+      }
+      public Builder SetEnumExtension(global::Google.ProtocolBuffers.TestProtos.ForeignEnum value) {
+        result.hasEnumExtension = true;
+        result.enumExtension_ = value;
+        return this;
+      }
+      public Builder ClearEnumExtension() {
+        result.hasEnumExtension = false;
+        result.enumExtension_ = global::Google.ProtocolBuffers.TestProtos.ForeignEnum.FOREIGN_FOO;
+        return this;
+      }
+      
+      public bool HasDynamicEnumExtension {
+       get { return result.HasDynamicEnumExtension; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicEnumType DynamicEnumExtension {
+        get { return result.DynamicEnumExtension; }
+        set { SetDynamicEnumExtension(value); }
+      }
+      public Builder SetDynamicEnumExtension(global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicEnumType value) {
+        result.hasDynamicEnumExtension = true;
+        result.dynamicEnumExtension_ = value;
+        return this;
+      }
+      public Builder ClearDynamicEnumExtension() {
+        result.hasDynamicEnumExtension = false;
+        result.dynamicEnumExtension_ = global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicEnumType.DYNAMIC_FOO;
+        return this;
+      }
+      
+      public bool HasMessageExtension {
+       get { return result.HasMessageExtension; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ForeignMessage MessageExtension {
+        get { return result.MessageExtension; }
+        set { SetMessageExtension(value); }
+      }
+      public Builder SetMessageExtension(global::Google.ProtocolBuffers.TestProtos.ForeignMessage value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasMessageExtension = true;
+        result.messageExtension_ = value;
+        return this;
+      }
+      public Builder SetMessageExtension(global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.hasMessageExtension = true;
+        result.messageExtension_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeMessageExtension(global::Google.ProtocolBuffers.TestProtos.ForeignMessage value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        if (result.HasMessageExtension &&
+            result.messageExtension_ != global::Google.ProtocolBuffers.TestProtos.ForeignMessage.DefaultInstance) {
+            result.messageExtension_ = global::Google.ProtocolBuffers.TestProtos.ForeignMessage.CreateBuilder(result.messageExtension_).MergeFrom(value).BuildPartial();
+        } else {
+          result.messageExtension_ = value;
+        }
+        result.hasMessageExtension = true;
+        return this;
+      }
+      public Builder ClearMessageExtension() {
+        result.hasMessageExtension = false;
+        result.messageExtension_ = global::Google.ProtocolBuffers.TestProtos.ForeignMessage.DefaultInstance;
+        return this;
+      }
+      
+      public bool HasDynamicMessageExtension {
+       get { return result.HasDynamicMessageExtension; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicMessageType DynamicMessageExtension {
+        get { return result.DynamicMessageExtension; }
+        set { SetDynamicMessageExtension(value); }
+      }
+      public Builder SetDynamicMessageExtension(global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicMessageType value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasDynamicMessageExtension = true;
+        result.dynamicMessageExtension_ = value;
+        return this;
+      }
+      public Builder SetDynamicMessageExtension(global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicMessageType.Builder builderForValue) {
+        pb::ThrowHelper.ThrowIfNull(builderForValue, "builderForValue");
+        result.hasDynamicMessageExtension = true;
+        result.dynamicMessageExtension_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeDynamicMessageExtension(global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicMessageType value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        if (result.HasDynamicMessageExtension &&
+            result.dynamicMessageExtension_ != global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicMessageType.DefaultInstance) {
+            result.dynamicMessageExtension_ = global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicMessageType.CreateBuilder(result.dynamicMessageExtension_).MergeFrom(value).BuildPartial();
+        } else {
+          result.dynamicMessageExtension_ = value;
+        }
+        result.hasDynamicMessageExtension = true;
+        return this;
+      }
+      public Builder ClearDynamicMessageExtension() {
+        result.hasDynamicMessageExtension = false;
+        result.dynamicMessageExtension_ = global::Google.ProtocolBuffers.TestProtos.TestDynamicExtensions.Types.DynamicMessageType.DefaultInstance;
+        return this;
+      }
+      
+      public pbc::IPopsicleList<string> RepeatedExtensionList {
+        get { return result.repeatedExtension_; }
+      }
+      public int RepeatedExtensionCount {
+        get { return result.RepeatedExtensionCount; }
+      }
+      public string GetRepeatedExtension(int index) {
+        return result.GetRepeatedExtension(index);
+      }
+      public Builder SetRepeatedExtension(int index, string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedExtension_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedExtension(string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.repeatedExtension_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedExtension(scg::IEnumerable<string> values) {
+        base.AddRange(values, result.repeatedExtension_);
+        return this;
+      }
+      public Builder ClearRepeatedExtension() {
+        result.repeatedExtension_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<int> PackedExtensionList {
+        get { return result.packedExtension_; }
+      }
+      public int PackedExtensionCount {
+        get { return result.PackedExtensionCount; }
+      }
+      public int GetPackedExtension(int index) {
+        return result.GetPackedExtension(index);
+      }
+      public Builder SetPackedExtension(int index, int value) {
+        result.packedExtension_[index] = value;
+        return this;
+      }
+      public Builder AddPackedExtension(int value) {
+        result.packedExtension_.Add(value);
+        return this;
+      }
+      public Builder AddRangePackedExtension(scg::IEnumerable<int> values) {
+        base.AddRange(values, result.packedExtension_);
+        return this;
+      }
+      public Builder ClearPackedExtension() {
+        result.packedExtension_.Clear();
+        return this;
+      }
+    }
+    static TestDynamicExtensions() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class TestRepeatedScalarDifferentTagSizes : pb::GeneratedMessage<TestRepeatedScalarDifferentTagSizes, TestRepeatedScalarDifferentTagSizes.Builder> {
+    private static readonly TestRepeatedScalarDifferentTagSizes defaultInstance = new Builder().BuildPartial();
+    public static TestRepeatedScalarDifferentTagSizes DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestRepeatedScalarDifferentTagSizes DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestRepeatedScalarDifferentTagSizes ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestRepeatedScalarDifferentTagSizes__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestRepeatedScalarDifferentTagSizes, TestRepeatedScalarDifferentTagSizes.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestRepeatedScalarDifferentTagSizes__FieldAccessorTable; }
+    }
+    
+    public const int RepeatedFixed32FieldNumber = 12;
+    private pbc::PopsicleList<uint> repeatedFixed32_ = new pbc::PopsicleList<uint>();
+    [global::System.CLSCompliant(false)]
+    public scg::IList<uint> RepeatedFixed32List {
+      get { return pbc::Lists.AsReadOnly(repeatedFixed32_); }
+    }
+    public int RepeatedFixed32Count {
+      get { return repeatedFixed32_.Count; }
+    }
+    [global::System.CLSCompliant(false)]
+    public uint GetRepeatedFixed32(int index) {
+      return repeatedFixed32_[index];
+    }
+    
+    public const int RepeatedInt32FieldNumber = 13;
+    private pbc::PopsicleList<int> repeatedInt32_ = new pbc::PopsicleList<int>();
+    public scg::IList<int> RepeatedInt32List {
+      get { return pbc::Lists.AsReadOnly(repeatedInt32_); }
+    }
+    public int RepeatedInt32Count {
+      get { return repeatedInt32_.Count; }
+    }
+    public int GetRepeatedInt32(int index) {
+      return repeatedInt32_[index];
+    }
+    
+    public const int RepeatedFixed64FieldNumber = 2046;
+    private pbc::PopsicleList<ulong> repeatedFixed64_ = new pbc::PopsicleList<ulong>();
+    [global::System.CLSCompliant(false)]
+    public scg::IList<ulong> RepeatedFixed64List {
+      get { return pbc::Lists.AsReadOnly(repeatedFixed64_); }
+    }
+    public int RepeatedFixed64Count {
+      get { return repeatedFixed64_.Count; }
+    }
+    [global::System.CLSCompliant(false)]
+    public ulong GetRepeatedFixed64(int index) {
+      return repeatedFixed64_[index];
+    }
+    
+    public const int RepeatedInt64FieldNumber = 2047;
+    private pbc::PopsicleList<long> repeatedInt64_ = new pbc::PopsicleList<long>();
+    public scg::IList<long> RepeatedInt64List {
+      get { return pbc::Lists.AsReadOnly(repeatedInt64_); }
+    }
+    public int RepeatedInt64Count {
+      get { return repeatedInt64_.Count; }
+    }
+    public long GetRepeatedInt64(int index) {
+      return repeatedInt64_[index];
+    }
+    
+    public const int RepeatedFloatFieldNumber = 262142;
+    private pbc::PopsicleList<float> repeatedFloat_ = new pbc::PopsicleList<float>();
+    public scg::IList<float> RepeatedFloatList {
+      get { return pbc::Lists.AsReadOnly(repeatedFloat_); }
+    }
+    public int RepeatedFloatCount {
+      get { return repeatedFloat_.Count; }
+    }
+    public float GetRepeatedFloat(int index) {
+      return repeatedFloat_[index];
+    }
+    
+    public const int RepeatedUint64FieldNumber = 262143;
+    private pbc::PopsicleList<ulong> repeatedUint64_ = new pbc::PopsicleList<ulong>();
+    [global::System.CLSCompliant(false)]
+    public scg::IList<ulong> RepeatedUint64List {
+      get { return pbc::Lists.AsReadOnly(repeatedUint64_); }
+    }
+    public int RepeatedUint64Count {
+      get { return repeatedUint64_.Count; }
+    }
+    [global::System.CLSCompliant(false)]
+    public ulong GetRepeatedUint64(int index) {
+      return repeatedUint64_[index];
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      if (repeatedFixed32_.Count > 0) {
+        foreach (uint element in repeatedFixed32_) {
+          output.WriteFixed32(12, element);
+        }
+      }
+      if (repeatedInt32_.Count > 0) {
+        foreach (int element in repeatedInt32_) {
+          output.WriteInt32(13, element);
+        }
+      }
+      if (repeatedFixed64_.Count > 0) {
+        foreach (ulong element in repeatedFixed64_) {
+          output.WriteFixed64(2046, element);
+        }
+      }
+      if (repeatedInt64_.Count > 0) {
+        foreach (long element in repeatedInt64_) {
+          output.WriteInt64(2047, element);
+        }
+      }
+      if (repeatedFloat_.Count > 0) {
+        foreach (float element in repeatedFloat_) {
+          output.WriteFloat(262142, element);
+        }
+      }
+      if (repeatedUint64_.Count > 0) {
+        foreach (ulong element in repeatedUint64_) {
+          output.WriteUInt64(262143, element);
+        }
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        {
+          int dataSize = 0;
+          dataSize = 4 * repeatedFixed32_.Count;
+          size += dataSize;
+          size += 1 * repeatedFixed32_.Count;
+        }
+        {
+          int dataSize = 0;
+          foreach (int element in RepeatedInt32List) {
+            dataSize += pb::CodedOutputStream.ComputeInt32SizeNoTag(element);
+          }
+          size += dataSize;
+          size += 1 * repeatedInt32_.Count;
+        }
+        {
+          int dataSize = 0;
+          dataSize = 8 * repeatedFixed64_.Count;
+          size += dataSize;
+          size += 2 * repeatedFixed64_.Count;
+        }
+        {
+          int dataSize = 0;
+          foreach (long element in RepeatedInt64List) {
+            dataSize += pb::CodedOutputStream.ComputeInt64SizeNoTag(element);
+          }
+          size += dataSize;
+          size += 2 * repeatedInt64_.Count;
+        }
+        {
+          int dataSize = 0;
+          dataSize = 4 * repeatedFloat_.Count;
+          size += dataSize;
+          size += 3 * repeatedFloat_.Count;
+        }
+        {
+          int dataSize = 0;
+          foreach (ulong element in RepeatedUint64List) {
+            dataSize += pb::CodedOutputStream.ComputeUInt64SizeNoTag(element);
+          }
+          size += dataSize;
+          size += 3 * repeatedUint64_.Count;
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestRepeatedScalarDifferentTagSizes ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestRepeatedScalarDifferentTagSizes ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestRepeatedScalarDifferentTagSizes ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestRepeatedScalarDifferentTagSizes ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestRepeatedScalarDifferentTagSizes ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestRepeatedScalarDifferentTagSizes ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestRepeatedScalarDifferentTagSizes ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static TestRepeatedScalarDifferentTagSizes ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static TestRepeatedScalarDifferentTagSizes ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestRepeatedScalarDifferentTagSizes ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestRepeatedScalarDifferentTagSizes prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestRepeatedScalarDifferentTagSizes, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestRepeatedScalarDifferentTagSizes result = new TestRepeatedScalarDifferentTagSizes();
+      
+      protected override TestRepeatedScalarDifferentTagSizes MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestRepeatedScalarDifferentTagSizes();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestRepeatedScalarDifferentTagSizes.Descriptor; }
+      }
+      
+      public override TestRepeatedScalarDifferentTagSizes DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.TestRepeatedScalarDifferentTagSizes.DefaultInstance; }
+      }
+      
+      public override TestRepeatedScalarDifferentTagSizes BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        result.repeatedFixed32_.MakeReadOnly();
+        result.repeatedInt32_.MakeReadOnly();
+        result.repeatedFixed64_.MakeReadOnly();
+        result.repeatedInt64_.MakeReadOnly();
+        result.repeatedFloat_.MakeReadOnly();
+        result.repeatedUint64_.MakeReadOnly();
+        TestRepeatedScalarDifferentTagSizes returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestRepeatedScalarDifferentTagSizes) {
+          return MergeFrom((TestRepeatedScalarDifferentTagSizes) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestRepeatedScalarDifferentTagSizes other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.TestRepeatedScalarDifferentTagSizes.DefaultInstance) return this;
+        if (other.repeatedFixed32_.Count != 0) {
+          base.AddRange(other.repeatedFixed32_, result.repeatedFixed32_);
+        }
+        if (other.repeatedInt32_.Count != 0) {
+          base.AddRange(other.repeatedInt32_, result.repeatedInt32_);
+        }
+        if (other.repeatedFixed64_.Count != 0) {
+          base.AddRange(other.repeatedFixed64_, result.repeatedFixed64_);
+        }
+        if (other.repeatedInt64_.Count != 0) {
+          base.AddRange(other.repeatedInt64_, result.repeatedInt64_);
+        }
+        if (other.repeatedFloat_.Count != 0) {
+          base.AddRange(other.repeatedFloat_, result.repeatedFloat_);
+        }
+        if (other.repeatedUint64_.Count != 0) {
+          base.AddRange(other.repeatedUint64_, result.repeatedUint64_);
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+            case 101: {
+              AddRepeatedFixed32(input.ReadFixed32());
+              break;
+            }
+            case 104: {
+              AddRepeatedInt32(input.ReadInt32());
+              break;
+            }
+            case 16369: {
+              AddRepeatedFixed64(input.ReadFixed64());
+              break;
+            }
+            case 16376: {
+              AddRepeatedInt64(input.ReadInt64());
+              break;
+            }
+            case 2097141: {
+              AddRepeatedFloat(input.ReadFloat());
+              break;
+            }
+            case 2097144: {
+              AddRepeatedUint64(input.ReadUInt64());
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      [global::System.CLSCompliant(false)]
+      public pbc::IPopsicleList<uint> RepeatedFixed32List {
+        get { return result.repeatedFixed32_; }
+      }
+      public int RepeatedFixed32Count {
+        get { return result.RepeatedFixed32Count; }
+      }
+      [global::System.CLSCompliant(false)]
+      public uint GetRepeatedFixed32(int index) {
+        return result.GetRepeatedFixed32(index);
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder SetRepeatedFixed32(int index, uint value) {
+        result.repeatedFixed32_[index] = value;
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddRepeatedFixed32(uint value) {
+        result.repeatedFixed32_.Add(value);
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddRangeRepeatedFixed32(scg::IEnumerable<uint> values) {
+        base.AddRange(values, result.repeatedFixed32_);
+        return this;
+      }
+      public Builder ClearRepeatedFixed32() {
+        result.repeatedFixed32_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<int> RepeatedInt32List {
+        get { return result.repeatedInt32_; }
+      }
+      public int RepeatedInt32Count {
+        get { return result.RepeatedInt32Count; }
+      }
+      public int GetRepeatedInt32(int index) {
+        return result.GetRepeatedInt32(index);
+      }
+      public Builder SetRepeatedInt32(int index, int value) {
+        result.repeatedInt32_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedInt32(int value) {
+        result.repeatedInt32_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedInt32(scg::IEnumerable<int> values) {
+        base.AddRange(values, result.repeatedInt32_);
+        return this;
+      }
+      public Builder ClearRepeatedInt32() {
+        result.repeatedInt32_.Clear();
+        return this;
+      }
+      
+      [global::System.CLSCompliant(false)]
+      public pbc::IPopsicleList<ulong> RepeatedFixed64List {
+        get { return result.repeatedFixed64_; }
+      }
+      public int RepeatedFixed64Count {
+        get { return result.RepeatedFixed64Count; }
+      }
+      [global::System.CLSCompliant(false)]
+      public ulong GetRepeatedFixed64(int index) {
+        return result.GetRepeatedFixed64(index);
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder SetRepeatedFixed64(int index, ulong value) {
+        result.repeatedFixed64_[index] = value;
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddRepeatedFixed64(ulong value) {
+        result.repeatedFixed64_.Add(value);
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddRangeRepeatedFixed64(scg::IEnumerable<ulong> values) {
+        base.AddRange(values, result.repeatedFixed64_);
+        return this;
+      }
+      public Builder ClearRepeatedFixed64() {
+        result.repeatedFixed64_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<long> RepeatedInt64List {
+        get { return result.repeatedInt64_; }
+      }
+      public int RepeatedInt64Count {
+        get { return result.RepeatedInt64Count; }
+      }
+      public long GetRepeatedInt64(int index) {
+        return result.GetRepeatedInt64(index);
+      }
+      public Builder SetRepeatedInt64(int index, long value) {
+        result.repeatedInt64_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedInt64(long value) {
+        result.repeatedInt64_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedInt64(scg::IEnumerable<long> values) {
+        base.AddRange(values, result.repeatedInt64_);
+        return this;
+      }
+      public Builder ClearRepeatedInt64() {
+        result.repeatedInt64_.Clear();
+        return this;
+      }
+      
+      public pbc::IPopsicleList<float> RepeatedFloatList {
+        get { return result.repeatedFloat_; }
+      }
+      public int RepeatedFloatCount {
+        get { return result.RepeatedFloatCount; }
+      }
+      public float GetRepeatedFloat(int index) {
+        return result.GetRepeatedFloat(index);
+      }
+      public Builder SetRepeatedFloat(int index, float value) {
+        result.repeatedFloat_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedFloat(float value) {
+        result.repeatedFloat_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedFloat(scg::IEnumerable<float> values) {
+        base.AddRange(values, result.repeatedFloat_);
+        return this;
+      }
+      public Builder ClearRepeatedFloat() {
+        result.repeatedFloat_.Clear();
+        return this;
+      }
+      
+      [global::System.CLSCompliant(false)]
+      public pbc::IPopsicleList<ulong> RepeatedUint64List {
+        get { return result.repeatedUint64_; }
+      }
+      public int RepeatedUint64Count {
+        get { return result.RepeatedUint64Count; }
+      }
+      [global::System.CLSCompliant(false)]
+      public ulong GetRepeatedUint64(int index) {
+        return result.GetRepeatedUint64(index);
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder SetRepeatedUint64(int index, ulong value) {
+        result.repeatedUint64_[index] = value;
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddRepeatedUint64(ulong value) {
+        result.repeatedUint64_.Add(value);
+        return this;
+      }
+      [global::System.CLSCompliant(false)]
+      public Builder AddRangeRepeatedUint64(scg::IEnumerable<ulong> values) {
+        base.AddRange(values, result.repeatedUint64_);
+        return this;
+      }
+      public Builder ClearRepeatedUint64() {
+        result.repeatedUint64_.Clear();
+        return this;
+      }
+    }
+    static TestRepeatedScalarDifferentTagSizes() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class FooRequest : pb::GeneratedMessage<FooRequest, FooRequest.Builder> {
+    private static readonly FooRequest defaultInstance = new Builder().BuildPartial();
+    public static FooRequest DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override FooRequest DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override FooRequest ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_FooRequest__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<FooRequest, FooRequest.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_FooRequest__FieldAccessorTable; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static FooRequest ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static FooRequest ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static FooRequest ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static FooRequest ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static FooRequest ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static FooRequest ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static FooRequest ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static FooRequest ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static FooRequest ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static FooRequest ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(FooRequest prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<FooRequest, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      FooRequest result = new FooRequest();
+      
+      protected override FooRequest MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new FooRequest();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.FooRequest.Descriptor; }
+      }
+      
+      public override FooRequest DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.FooRequest.DefaultInstance; }
+      }
+      
+      public override FooRequest BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        FooRequest returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is FooRequest) {
+          return MergeFrom((FooRequest) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(FooRequest other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.FooRequest.DefaultInstance) return this;
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+          }
+        }
+      }
+      
+    }
+    static FooRequest() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class FooResponse : pb::GeneratedMessage<FooResponse, FooResponse.Builder> {
+    private static readonly FooResponse defaultInstance = new Builder().BuildPartial();
+    public static FooResponse DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override FooResponse DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override FooResponse ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_FooResponse__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<FooResponse, FooResponse.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_FooResponse__FieldAccessorTable; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static FooResponse ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static FooResponse ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static FooResponse ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static FooResponse ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static FooResponse ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static FooResponse ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static FooResponse ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static FooResponse ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static FooResponse ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static FooResponse ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(FooResponse prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<FooResponse, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      FooResponse result = new FooResponse();
+      
+      protected override FooResponse MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new FooResponse();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.FooResponse.Descriptor; }
+      }
+      
+      public override FooResponse DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.FooResponse.DefaultInstance; }
+      }
+      
+      public override FooResponse BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        FooResponse returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is FooResponse) {
+          return MergeFrom((FooResponse) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(FooResponse other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.FooResponse.DefaultInstance) return this;
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+          }
+        }
+      }
+      
+    }
+    static FooResponse() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class BarRequest : pb::GeneratedMessage<BarRequest, BarRequest.Builder> {
+    private static readonly BarRequest defaultInstance = new Builder().BuildPartial();
+    public static BarRequest DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override BarRequest DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override BarRequest ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_BarRequest__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<BarRequest, BarRequest.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_BarRequest__FieldAccessorTable; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static BarRequest ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static BarRequest ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static BarRequest ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static BarRequest ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static BarRequest ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static BarRequest ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static BarRequest ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static BarRequest ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static BarRequest ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static BarRequest ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(BarRequest prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<BarRequest, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      BarRequest result = new BarRequest();
+      
+      protected override BarRequest MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new BarRequest();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.BarRequest.Descriptor; }
+      }
+      
+      public override BarRequest DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.BarRequest.DefaultInstance; }
+      }
+      
+      public override BarRequest BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        BarRequest returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is BarRequest) {
+          return MergeFrom((BarRequest) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(BarRequest other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.BarRequest.DefaultInstance) return this;
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+          }
+        }
+      }
+      
+    }
+    static BarRequest() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  public sealed partial class BarResponse : pb::GeneratedMessage<BarResponse, BarResponse.Builder> {
+    private static readonly BarResponse defaultInstance = new Builder().BuildPartial();
+    public static BarResponse DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override BarResponse DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override BarResponse ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_BarResponse__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<BarResponse, BarResponse.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_BarResponse__FieldAccessorTable; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      int size = SerializedSize;
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static BarResponse ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static BarResponse ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static BarResponse ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static BarResponse ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static BarResponse ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static BarResponse ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static BarResponse ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static BarResponse ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static BarResponse ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static BarResponse ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder ToBuilder() { return CreateBuilder(this); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(BarResponse prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<BarResponse, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      BarResponse result = new BarResponse();
+      
+      protected override BarResponse MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new BarResponse();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.BarResponse.Descriptor; }
+      }
+      
+      public override BarResponse DefaultInstanceForType {
+        get { return global::Google.ProtocolBuffers.TestProtos.BarResponse.DefaultInstance; }
+      }
+      
+      public override BarResponse BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        BarResponse returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is BarResponse) {
+          return MergeFrom((BarResponse) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(BarResponse other) {
+        if (other == global::Google.ProtocolBuffers.TestProtos.BarResponse.DefaultInstance) return this;
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = null;
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              if (unknownFields != null) {
+                this.UnknownFields = unknownFields.Build();
+              }
+              return this;
+            }
+            default: {
+              if (pb::WireFormat.IsEndGroupTag(tag)) {
+                if (unknownFields != null) {
+                  this.UnknownFields = unknownFields.Build();
+                }
+                return this;
+              }
+              if (unknownFields == null) {
+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+              }
+              ParseUnknownField(input, unknownFields, extensionRegistry, tag);
+              break;
+            }
+          }
+        }
+      }
+      
+    }
+    static BarResponse() {
+      object.ReferenceEquals(global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, null);
+    }
+  }
+  
+  #endregion
+  
+  #region Services
+  public abstract class TestService : pb::IService {
+    public abstract void Foo(
+        pb::IRpcController controller,
+        global::Google.ProtocolBuffers.TestProtos.FooRequest request,
+        global::System.Action<global::Google.ProtocolBuffers.TestProtos.FooResponse> done);
+    public abstract void Bar(
+        pb::IRpcController controller,
+        global::Google.ProtocolBuffers.TestProtos.BarRequest request,
+        global::System.Action<global::Google.ProtocolBuffers.TestProtos.BarResponse> done);
+    
+    public static pbd::ServiceDescriptor Descriptor {
+      get { return UnitTestProtoFile.Descriptor.Services[0]; }
+    }
+    public pbd::ServiceDescriptor DescriptorForType {
+      get { return Descriptor; }
+    }
+    
+    public void CallMethod(
+        pbd::MethodDescriptor method,
+        pb::IRpcController controller,
+        pb::IMessage request,
+        global::System.Action<pb::IMessage> done) {
+      if (method.Service != Descriptor) {
+        throw new global::System.ArgumentException(
+            "Service.CallMethod() given method descriptor for wrong service type.");
+      }
+      switch(method.Index) {
+        case 0:
+          this.Foo(controller, (global::Google.ProtocolBuffers.TestProtos.FooRequest) request,
+              pb::RpcUtil.SpecializeCallback<global::Google.ProtocolBuffers.TestProtos.FooResponse>(
+              done));
+          return;
+        case 1:
+          this.Bar(controller, (global::Google.ProtocolBuffers.TestProtos.BarRequest) request,
+              pb::RpcUtil.SpecializeCallback<global::Google.ProtocolBuffers.TestProtos.BarResponse>(
+              done));
+          return;
+        default:
+          throw new global::System.InvalidOperationException("Can't get here.");
+      }
+    }
+    
+    public pb::IMessage GetRequestPrototype(pbd::MethodDescriptor method) {
+      if (method.Service != Descriptor) {
+        throw new global::System.ArgumentException(
+            "Service.GetRequestPrototype() given method descriptor for wrong service type.");
+      }
+      switch(method.Index) {
+        case 0:
+          return global::Google.ProtocolBuffers.TestProtos.FooRequest.DefaultInstance;
+        case 1:
+          return global::Google.ProtocolBuffers.TestProtos.BarRequest.DefaultInstance;
+        default:
+          throw new global::System.InvalidOperationException("Can't get here.");
+      }
+    }
+    
+    public pb::IMessage GetResponsePrototype(pbd::MethodDescriptor method) {
+      if (method.Service != Descriptor) {
+        throw new global::System.ArgumentException(
+            "Service.GetResponsePrototype() given method descriptor for wrong service type.");
+      }
+      switch(method.Index) {
+        case 0:
+          return global::Google.ProtocolBuffers.TestProtos.FooResponse.DefaultInstance;
+        case 1:
+          return global::Google.ProtocolBuffers.TestProtos.BarResponse.DefaultInstance;
+        default:
+          throw new global::System.InvalidOperationException("Can't get here.");
+      }
+    }
+    
+    public static Stub CreateStub(pb::IRpcChannel channel) {
+      return new Stub(channel);
+    }
+    
+    public class Stub : global::Google.ProtocolBuffers.TestProtos.TestService {
+      internal Stub(pb::IRpcChannel channel) {
+        this.channel = channel;
+      }
+      
+      private readonly pb::IRpcChannel channel;
+      
+      public pb::IRpcChannel Channel {
+        get { return channel; }
+      }
+      
+      public override void Foo(
+          pb::IRpcController controller,
+          global::Google.ProtocolBuffers.TestProtos.FooRequest request,
+          global::System.Action<global::Google.ProtocolBuffers.TestProtos.FooResponse> done) {
+        channel.CallMethod(Descriptor.Methods[0],
+            controller, request, global::Google.ProtocolBuffers.TestProtos.FooResponse.DefaultInstance,
+            pb::RpcUtil.GeneralizeCallback<global::Google.ProtocolBuffers.TestProtos.FooResponse, global::Google.ProtocolBuffers.TestProtos.FooResponse.Builder>(done, global::Google.ProtocolBuffers.TestProtos.FooResponse.DefaultInstance));
+      }
+      
+      public override void Bar(
+          pb::IRpcController controller,
+          global::Google.ProtocolBuffers.TestProtos.BarRequest request,
+          global::System.Action<global::Google.ProtocolBuffers.TestProtos.BarResponse> done) {
+        channel.CallMethod(Descriptor.Methods[1],
+            controller, request, global::Google.ProtocolBuffers.TestProtos.BarResponse.DefaultInstance,
+            pb::RpcUtil.GeneralizeCallback<global::Google.ProtocolBuffers.TestProtos.BarResponse, global::Google.ProtocolBuffers.TestProtos.BarResponse.Builder>(done, global::Google.ProtocolBuffers.TestProtos.BarResponse.DefaultInstance));
+      }
+    }
+  }
+  #endregion
+  
+}