Fix custom options behaviour

7 files changed, 1732 insertions, 1072 deletions

diff --git a/src/ProtocolBuffers.Test/TestProtos/UnitTestCSharpOptionsProtoFile.cs b/src/ProtocolBuffers.Test/TestProtos/UnitTestCSharpOptionsProtoFile.cs
new file mode 100644
index 00000000..8441c1d3
--- /dev/null
+++ b/src/ProtocolBuffers.Test/TestProtos/UnitTestCSharpOptionsProtoFile.cs
@@ -0,0 +1,246 @@
+// Generated by the protocol buffer compiler.  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 UnitTestCSharpOptionsProtoFile {
+  
+    #region Extension registration
+    public static void RegisterAllExtensions(pb::ExtensionRegistry registry) {
+    }
+    #endregion
+    #region Static variables
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_OptionsMessage__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.OptionsMessage, global::Google.ProtocolBuffers.TestProtos.OptionsMessage.Builder> internal__static_protobuf_unittest_OptionsMessage__FieldAccessorTable;
+    #endregion
+    #region Descriptor
+    public static pbd::FileDescriptor Descriptor {
+      get { return descriptor; }
+    }
+    private static pbd::FileDescriptor descriptor;
+    
+    static UnitTestCSharpOptionsProtoFile() {
+      byte[] descriptorData = global::System.Convert.FromBase64String(
+          "Ci1nb29nbGUvcHJvdG9idWYvdW5pdHRlc3RfY3NoYXJwX29wdGlvbnMucHJv" + 
+          "dG8SEXByb3RvYnVmX3VuaXR0ZXN0GiRnb29nbGUvcHJvdG9idWYvY3NoYXJw" + 
+          "X29wdGlvbnMucHJvdG8iXgoOT3B0aW9uc01lc3NhZ2USDgoGbm9ybWFsGAEg" + 
+          "ASgJEhcKD29wdGlvbnNfbWVzc2FnZRgCIAEoCRIjCgpjdXN0b21pemVkGAMg" + 
+          "ASgJQg/CPgwKCkN1c3RvbU5hbWVCRsI+QwohR29vZ2xlLlByb3RvY29sQnVm" + 
+          "ZmVycy5UZXN0UHJvdG9zEh5Vbml0VGVzdENTaGFycE9wdGlvbnNQcm90b0Zp" + 
+          "bGU=");
+      pbd::FileDescriptor.InternalDescriptorAssigner assigner = delegate(pbd::FileDescriptor root) {
+        descriptor = root;
+        internal__static_protobuf_unittest_OptionsMessage__Descriptor = Descriptor.MessageTypes[0];
+        internal__static_protobuf_unittest_OptionsMessage__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.OptionsMessage, global::Google.ProtocolBuffers.TestProtos.OptionsMessage.Builder>(internal__static_protobuf_unittest_OptionsMessage__Descriptor,
+                new string[] { "Normal", "OptionsMessage_", "CustomName", });
+        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 Messages
+  public sealed partial class OptionsMessage : pb::GeneratedMessage<OptionsMessage, OptionsMessage.Builder> {
+    private static readonly OptionsMessage defaultInstance = new Builder().BuildPartial();
+    public static OptionsMessage DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override OptionsMessage DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override OptionsMessage ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestCSharpOptionsProtoFile.internal__static_protobuf_unittest_OptionsMessage__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<OptionsMessage, OptionsMessage.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestCSharpOptionsProtoFile.internal__static_protobuf_unittest_OptionsMessage__FieldAccessorTable; }
+    }
+    
+    public const int NormalFieldNumber = 1;
+    private bool hasNormal;
+    private string normal_ = "";
+    public bool HasNormal {
+      get { return hasNormal; }
+    }
+    public string Normal {
+      get { return normal_; }
+    }
+    
+    public const int OptionsMessage_FieldNumber = 2;
+    private bool hasOptionsMessage_;
+    private string optionsMessage_ = "";
+    public bool HasOptionsMessage_ {
+      get { return hasOptionsMessage_; }
+    }
+    public string OptionsMessage_ {
+      get { return optionsMessage_; }
+    }
+    
+    public const int CustomNameFieldNumber = 3;
+    private bool hasCustomName;
+    private string customized_ = "";
+    public bool HasCustomName {
+      get { return hasCustomName; }
+    }
+    public string CustomName {
+      get { return customized_; }
+    }
+    
+    public static OptionsMessage ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static OptionsMessage ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static OptionsMessage ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static OptionsMessage ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static OptionsMessage ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static OptionsMessage ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static OptionsMessage ParseDelimitedFrom(global::System.IO.Stream input) {
+      return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+    }
+    public static OptionsMessage ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+    }
+    public static OptionsMessage ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static OptionsMessage 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(OptionsMessage prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<OptionsMessage, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      OptionsMessage result = new OptionsMessage();
+      
+      protected override OptionsMessage MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new OptionsMessage();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return OptionsMessage.Descriptor; }
+      }
+      
+      public override OptionsMessage DefaultInstanceForType {
+        get { return OptionsMessage.DefaultInstance; }
+      }
+      
+      public override OptionsMessage BuildPartial() {
+        if (result == null) {
+          throw new global::System.InvalidOperationException("build() has already been called on this Builder");
+        }
+        OptionsMessage returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      
+      public bool HasNormal {
+        get { return result.HasNormal; }
+      }
+      public string Normal {
+        get { return result.Normal; }
+        set { SetNormal(value); }
+      }
+      public Builder SetNormal(string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasNormal = true;
+        result.normal_ = value;
+        return this;
+      }
+      public Builder ClearNormal() {
+        result.hasNormal = false;
+        result.normal_ = "";
+        return this;
+      }
+      
+      public bool HasOptionsMessage_ {
+        get { return result.HasOptionsMessage_; }
+      }
+      public string OptionsMessage_ {
+        get { return result.OptionsMessage_; }
+        set { SetOptionsMessage_(value); }
+      }
+      public Builder SetOptionsMessage_(string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasOptionsMessage_ = true;
+        result.optionsMessage_ = value;
+        return this;
+      }
+      public Builder ClearOptionsMessage_() {
+        result.hasOptionsMessage_ = false;
+        result.optionsMessage_ = "";
+        return this;
+      }
+      
+      public bool HasCustomName {
+        get { return result.HasCustomName; }
+      }
+      public string CustomName {
+        get { return result.CustomName; }
+        set { SetCustomName(value); }
+      }
+      public Builder SetCustomName(string value) {
+        pb::ThrowHelper.ThrowIfNull(value, "value");
+        result.hasCustomName = true;
+        result.customized_ = value;
+        return this;
+      }
+      public Builder ClearCustomName() {
+        result.hasCustomName = false;
+        result.customized_ = "";
+        return this;
+      }
+    }
+    static OptionsMessage() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestCSharpOptionsProtoFile.Descriptor;
+    }
+  }
+  
+  #endregion
+  
+}
diff --git a/src/ProtocolBuffers.Test/TestProtos/UnitTestCustomOptionsProtoFile.cs b/src/ProtocolBuffers.Test/TestProtos/UnitTestCustomOptionsProtoFile.cs
index b198d4f3..5b4f10a3 100644
--- a/src/ProtocolBuffers.Test/TestProtos/UnitTestCustomOptionsProtoFile.cs
+++ b/src/ProtocolBuffers.Test/TestProtos/UnitTestCustomOptionsProtoFile.cs
@@ -8,298 +8,365 @@ namespace Google.ProtocolBuffers.TestProtos {
   
   public static partial class UnitTestCustomOptionsProtoFile {
   
-    #region Descriptor
-    public static pbd::FileDescriptor Descriptor {
-      get { return descriptor; }
+    #region Extension registration
+    public static void RegisterAllExtensions(pb::ExtensionRegistry registry) {
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.FileOpt1);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.MessageOpt1);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.FieldOpt1);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.FieldOpt2);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.EnumOpt1);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.ServiceOpt1);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.MethodOpt1);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.BoolOpt);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Int32Opt);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Int64Opt);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Uint32Opt);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Uint64Opt);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Sint32Opt);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Sint64Opt);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Fixed32Opt);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Fixed64Opt);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Sfixed32Opt);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Sfixed64Opt);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.FloatOpt);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.DoubleOpt);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.StringOpt);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.BytesOpt);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.EnumOpt);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.MessageTypeOpt);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Quux);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Corge);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Grault);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Garply);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.ComplexOpt1);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.ComplexOpt2);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.ComplexOpt3);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.ComplexOpt6);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2.Types.ComplexOptionType4.ComplexOpt4);
     }
-    private static readonly pbd::FileDescriptor descriptor = pbd::FileDescriptor.InternalBuildGeneratedFileFrom(
-        global::System.Convert.FromBase64String(
-        "Ci1nb29nbGUvcHJvdG9idWYvdW5pdHRlc3RfY3VzdG9tX29wdGlvbnMucHJv" + 
-        "dG8SEXByb3RvYnVmX3VuaXR0ZXN0GiRnb29nbGUvcHJvdG9idWYvY3NoYXJw" + 
-        "X29wdGlvbnMucHJvdG8aIGdvb2dsZS9wcm90b2J1Zi9kZXNjcmlwdG9yLnBy" + 
-        "b3RvIoYBChxUZXN0TWVzc2FnZVdpdGhDdXN0b21PcHRpb25zEh4KBmZpZWxk" + 
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-        "QUwxEAESDwoLQU5FTlVNX1ZBTDIQAhoIxfbJHev8//86EAgA4OnCHcj/////" + 
-        "/////wEiGAoWQ3VzdG9tT3B0aW9uRm9vUmVxdWVzdCIZChdDdXN0b21PcHRp" + 
-        "b25Gb29SZXNwb25zZSJtChpEdW1teU1lc3NhZ2VDb250YWluaW5nRW51bSJP" + 
-        "CgxUZXN0RW51bVR5cGUSGgoWVEVTVF9PUFRJT05fRU5VTV9UWVBFMRAWEiMK" + 
-        "FlRFU1RfT1BUSU9OX0VOVU1fVFlQRTIQ6f//////////ASIhCh9EdW1teU1l" + 
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-        "bnRlZ2VyVmFsdWVzOmqZ1qgdAAAAAAAAAICtja8dAAAAgJHurx0AAAAAAAAA" + 
-        "AJ31rx0AAAAA+JewHf///////////wGAxLAd/////w/49bAdAICTsh0AsLyy" + 
-        "HYCAgICAgICAgAHoxrIdgICAgPj/////AdDesh0AIpEBChxDdXN0b21PcHRp" + 
-        "b25NYXhJbnRlZ2VyVmFsdWVzOnGZ1qgd/////////3+tja8d////f5Hurx3/" + 
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-        "T3B0aW9ucxiv8tMDIAEoCzIyLnByb3RvYnVmX3VuaXR0ZXN0LkR1bW15TWVz" + 
-        "c2FnZUludmFsaWRBc09wdGlvblR5cGU6NgoEcXV1eBIlLnByb3RvYnVmX3Vu" + 
-        "aXR0ZXN0LkNvbXBsZXhPcHRpb25UeXBlMRjb4NMDIAEoBTpeCgVjb3JnZRIl" + 
-        "LnByb3RvYnVmX3VuaXR0ZXN0LkNvbXBsZXhPcHRpb25UeXBlMRjS3tMDIAEo" + 
-        "CzIlLnByb3RvYnVmX3VuaXR0ZXN0LkNvbXBsZXhPcHRpb25UeXBlMzo4CgZn" + 
-        "cmF1bHQSJS5wcm90b2J1Zl91bml0dGVzdC5Db21wbGV4T3B0aW9uVHlwZTIY" + 
-        "7/zSAyABKAU6XwoGZ2FycGx5EiUucHJvdG9idWZfdW5pdHRlc3QuQ29tcGxl" + 
-        "eE9wdGlvblR5cGUyGMj10gMgASgLMiUucHJvdG9idWZfdW5pdHRlc3QuQ29t" + 
-        "cGxleE9wdGlvblR5cGUxOl8KDGNvbXBsZXhfb3B0MRIfLmdvb2dsZS5wcm90" + 
-        "b2J1Zi5NZXNzYWdlT3B0aW9ucxik3NIDIAEoCzIlLnByb3RvYnVmX3VuaXR0" + 
-        "ZXN0LkNvbXBsZXhPcHRpb25UeXBlMTpfCgxjb21wbGV4X29wdDISHy5nb29n" + 
-        "bGUucHJvdG9idWYuTWVzc2FnZU9wdGlvbnMY1Y/SAyABKAsyJS5wcm90b2J1" + 
-        "Zl91bml0dGVzdC5Db21wbGV4T3B0aW9uVHlwZTI6XwoMY29tcGxleF9vcHQz" + 
-        "Eh8uZ29vZ2xlLnByb3RvYnVmLk1lc3NhZ2VPcHRpb25zGO+L0gMgASgLMiUu" + 
-        "cHJvdG9idWZfdW5pdHRlc3QuQ29tcGxleE9wdGlvblR5cGUzOlcKC2NvbXBs" + 
-        "ZXhvcHQ2Eh8uZ29vZ2xlLnByb3RvYnVmLk1lc3NhZ2VPcHRpb25zGMzLzwMg" + 
-        "ASgKMh4ucHJvdG9idWZfdW5pdHRlc3QuQ29tcGxleE9wdDZCT8I+QwohR29v" + 
-        "Z2xlLlByb3RvY29sQnVmZmVycy5UZXN0UHJvdG9zEh5Vbml0VGVzdEN1c3Rv" + 
-        "bU9wdGlvbnNQcm90b0ZpbGXw6MEd6q3A5SQ="),
-        new pbd::FileDescriptor[] {
-          global::Google.ProtocolBuffers.DescriptorProtos.CSharpOptions.Descriptor, 
-          global::Google.ProtocolBuffers.DescriptorProtos.DescriptorProtoFile.Descriptor, 
-        });
     #endregion
-    
     #region Extensions
     public const int FileOpt1FieldNumber = 7736974;
-    public static readonly pb::GeneratedExtensionBase<ulong> FileOpt1 =
-        pb::GeneratedSingleExtension<ulong>.CreateInstance(Descriptor.Extensions[0]);
+    public static pb::GeneratedExtensionBase<ulong> FileOpt1;
     public const int MessageOpt1FieldNumber = 7739036;
-    public static readonly pb::GeneratedExtensionBase<int> MessageOpt1 =
-        pb::GeneratedSingleExtension<int>.CreateInstance(Descriptor.Extensions[1]);
+    public static pb::GeneratedExtensionBase<int> MessageOpt1;
     public const int FieldOpt1FieldNumber = 7740936;
-    public static readonly pb::GeneratedExtensionBase<ulong> FieldOpt1 =
-        pb::GeneratedSingleExtension<ulong>.CreateInstance(Descriptor.Extensions[2]);
+    public static pb::GeneratedExtensionBase<ulong> FieldOpt1;
     public const int FieldOpt2FieldNumber = 7753913;
-    public static readonly pb::GeneratedExtensionBase<int> FieldOpt2 =
-        pb::GeneratedSingleExtension<int>.CreateInstance(Descriptor.Extensions[3]);
+    public static pb::GeneratedExtensionBase<int> FieldOpt2;
     public const int EnumOpt1FieldNumber = 7753576;
-    public static readonly pb::GeneratedExtensionBase<int> EnumOpt1 =
-        pb::GeneratedSingleExtension<int>.CreateInstance(Descriptor.Extensions[4]);
+    public static pb::GeneratedExtensionBase<int> EnumOpt1;
     public const int ServiceOpt1FieldNumber = 7887650;
-    public static readonly pb::GeneratedExtensionBase<long> ServiceOpt1 =
-        pb::GeneratedSingleExtension<long>.CreateInstance(Descriptor.Extensions[5]);
+    public static pb::GeneratedExtensionBase<long> ServiceOpt1;
     public const int MethodOpt1FieldNumber = 7890860;
-    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.MethodOpt1> MethodOpt1 =
-        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.MethodOpt1>.CreateInstance(Descriptor.Extensions[6]);
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.MethodOpt1> MethodOpt1;
     public const int BoolOptFieldNumber = 7706090;
-    public static readonly pb::GeneratedExtensionBase<bool> BoolOpt =
-        pb::GeneratedSingleExtension<bool>.CreateInstance(Descriptor.Extensions[7]);
+    public static pb::GeneratedExtensionBase<bool> BoolOpt;
     public const int Int32OptFieldNumber = 7705709;
-    public static readonly pb::GeneratedExtensionBase<int> Int32Opt =
-        pb::GeneratedSingleExtension<int>.CreateInstance(Descriptor.Extensions[8]);
+    public static pb::GeneratedExtensionBase<int> Int32Opt;
     public const int Int64OptFieldNumber = 7705542;
-    public static readonly pb::GeneratedExtensionBase<long> Int64Opt =
-        pb::GeneratedSingleExtension<long>.CreateInstance(Descriptor.Extensions[9]);
+    public static pb::GeneratedExtensionBase<long> Int64Opt;
     public const int Uint32OptFieldNumber = 7704880;
-    public static readonly pb::GeneratedExtensionBase<uint> Uint32Opt =
-        pb::GeneratedSingleExtension<uint>.CreateInstance(Descriptor.Extensions[10]);
+    public static pb::GeneratedExtensionBase<uint> Uint32Opt;
     public const int Uint64OptFieldNumber = 7702367;
-    public static readonly pb::GeneratedExtensionBase<ulong> Uint64Opt =
-        pb::GeneratedSingleExtension<ulong>.CreateInstance(Descriptor.Extensions[11]);
+    public static pb::GeneratedExtensionBase<ulong> Uint64Opt;
     public const int Sint32OptFieldNumber = 7701568;
-    public static readonly pb::GeneratedExtensionBase<int> Sint32Opt =
-        pb::GeneratedSingleExtension<int>.CreateInstance(Descriptor.Extensions[12]);
+    public static pb::GeneratedExtensionBase<int> Sint32Opt;
     public const int Sint64OptFieldNumber = 7700863;
-    public static readonly pb::GeneratedExtensionBase<long> Sint64Opt =
-        pb::GeneratedSingleExtension<long>.CreateInstance(Descriptor.Extensions[13]);
+    public static pb::GeneratedExtensionBase<long> Sint64Opt;
     public const int Fixed32OptFieldNumber = 7700307;
-    public static readonly pb::GeneratedExtensionBase<uint> Fixed32Opt =
-        pb::GeneratedSingleExtension<uint>.CreateInstance(Descriptor.Extensions[14]);
+    public static pb::GeneratedExtensionBase<uint> Fixed32Opt;
     public const int Fixed64OptFieldNumber = 7700194;
-    public static readonly pb::GeneratedExtensionBase<ulong> Fixed64Opt =
-        pb::GeneratedSingleExtension<ulong>.CreateInstance(Descriptor.Extensions[15]);
+    public static pb::GeneratedExtensionBase<ulong> Fixed64Opt;
     public const int Sfixed32OptFieldNumber = 7698645;
-    public static readonly pb::GeneratedExtensionBase<int> Sfixed32Opt =
-        pb::GeneratedSingleExtension<int>.CreateInstance(Descriptor.Extensions[16]);
+    public static pb::GeneratedExtensionBase<int> Sfixed32Opt;
     public const int Sfixed64OptFieldNumber = 7685475;
-    public static readonly pb::GeneratedExtensionBase<long> Sfixed64Opt =
-        pb::GeneratedSingleExtension<long>.CreateInstance(Descriptor.Extensions[17]);
+    public static pb::GeneratedExtensionBase<long> Sfixed64Opt;
     public const int FloatOptFieldNumber = 7675390;
-    public static readonly pb::GeneratedExtensionBase<float> FloatOpt =
-        pb::GeneratedSingleExtension<float>.CreateInstance(Descriptor.Extensions[18]);
+    public static pb::GeneratedExtensionBase<float> FloatOpt;
     public const int DoubleOptFieldNumber = 7673293;
-    public static readonly pb::GeneratedExtensionBase<double> DoubleOpt =
-        pb::GeneratedSingleExtension<double>.CreateInstance(Descriptor.Extensions[19]);
+    public static pb::GeneratedExtensionBase<double> DoubleOpt;
     public const int StringOptFieldNumber = 7673285;
-    public static readonly pb::GeneratedExtensionBase<string> StringOpt =
-        pb::GeneratedSingleExtension<string>.CreateInstance(Descriptor.Extensions[20]);
+    public static pb::GeneratedExtensionBase<string> StringOpt;
     public const int BytesOptFieldNumber = 7673238;
-    public static readonly pb::GeneratedExtensionBase<pb::ByteString> BytesOpt =
-        pb::GeneratedSingleExtension<pb::ByteString>.CreateInstance(Descriptor.Extensions[21]);
+    public static pb::GeneratedExtensionBase<pb::ByteString> BytesOpt;
     public const int EnumOptFieldNumber = 7673233;
-    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.DummyMessageContainingEnum.Types.TestEnumType> EnumOpt =
-        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.DummyMessageContainingEnum.Types.TestEnumType>.CreateInstance(Descriptor.Extensions[22]);
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.DummyMessageContainingEnum.Types.TestEnumType> EnumOpt;
     public const int MessageTypeOptFieldNumber = 7665967;
-    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.DummyMessageInvalidAsOptionType> MessageTypeOpt =
-        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.DummyMessageInvalidAsOptionType>.CreateInstance(Descriptor.Extensions[23]);
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.DummyMessageInvalidAsOptionType> MessageTypeOpt;
     public const int QuuxFieldNumber = 7663707;
-    public static readonly pb::GeneratedExtensionBase<int> Quux =
-        pb::GeneratedSingleExtension<int>.CreateInstance(Descriptor.Extensions[24]);
+    public static pb::GeneratedExtensionBase<int> Quux;
     public const int CorgeFieldNumber = 7663442;
-    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType3> Corge =
-        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType3>.CreateInstance(Descriptor.Extensions[25]);
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType3> Corge;
     public const int GraultFieldNumber = 7650927;
-    public static readonly pb::GeneratedExtensionBase<int> Grault =
-        pb::GeneratedSingleExtension<int>.CreateInstance(Descriptor.Extensions[26]);
+    public static pb::GeneratedExtensionBase<int> Grault;
     public const int GarplyFieldNumber = 7649992;
-    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType1> Garply =
-        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType1>.CreateInstance(Descriptor.Extensions[27]);
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType1> Garply;
     public const int ComplexOpt1FieldNumber = 7646756;
-    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType1> ComplexOpt1 =
-        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType1>.CreateInstance(Descriptor.Extensions[28]);
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType1> ComplexOpt1;
     public const int ComplexOpt2FieldNumber = 7636949;
-    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2> ComplexOpt2 =
-        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2>.CreateInstance(Descriptor.Extensions[29]);
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2> ComplexOpt2;
     public const int ComplexOpt3FieldNumber = 7636463;
-    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType3> ComplexOpt3 =
-        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType3>.CreateInstance(Descriptor.Extensions[30]);
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType3> ComplexOpt3;
     public const int ComplexOpt6FieldNumber = 7595468;
-    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ComplexOpt6> ComplexOpt6 =
-        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ComplexOpt6>.CreateInstance(Descriptor.Extensions[31]);
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ComplexOpt6> ComplexOpt6;
     #endregion
     
     #region Static variables
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestMessageWithCustomOptions__Descriptor
-        = Descriptor.MessageTypes[0];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMessageWithCustomOptions, global::Google.ProtocolBuffers.TestProtos.TestMessageWithCustomOptions.Builder> internal__static_protobuf_unittest_TestMessageWithCustomOptions__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMessageWithCustomOptions, global::Google.ProtocolBuffers.TestProtos.TestMessageWithCustomOptions.Builder>(internal__static_protobuf_unittest_TestMessageWithCustomOptions__Descriptor,
-            new string[] { "Field1", });
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_CustomOptionFooRequest__Descriptor
-        = Descriptor.MessageTypes[1];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.CustomOptionFooRequest, global::Google.ProtocolBuffers.TestProtos.CustomOptionFooRequest.Builder> internal__static_protobuf_unittest_CustomOptionFooRequest__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.CustomOptionFooRequest, global::Google.ProtocolBuffers.TestProtos.CustomOptionFooRequest.Builder>(internal__static_protobuf_unittest_CustomOptionFooRequest__Descriptor,
-            new string[] { });
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_CustomOptionFooResponse__Descriptor
-        = Descriptor.MessageTypes[2];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.CustomOptionFooResponse, global::Google.ProtocolBuffers.TestProtos.CustomOptionFooResponse.Builder> internal__static_protobuf_unittest_CustomOptionFooResponse__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.CustomOptionFooResponse, global::Google.ProtocolBuffers.TestProtos.CustomOptionFooResponse.Builder>(internal__static_protobuf_unittest_CustomOptionFooResponse__Descriptor,
-            new string[] { });
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_DummyMessageContainingEnum__Descriptor
-        = Descriptor.MessageTypes[3];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.DummyMessageContainingEnum, global::Google.ProtocolBuffers.TestProtos.DummyMessageContainingEnum.Builder> internal__static_protobuf_unittest_DummyMessageContainingEnum__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.DummyMessageContainingEnum, global::Google.ProtocolBuffers.TestProtos.DummyMessageContainingEnum.Builder>(internal__static_protobuf_unittest_DummyMessageContainingEnum__Descriptor,
-            new string[] { });
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_DummyMessageInvalidAsOptionType__Descriptor
-        = Descriptor.MessageTypes[4];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.DummyMessageInvalidAsOptionType, global::Google.ProtocolBuffers.TestProtos.DummyMessageInvalidAsOptionType.Builder> internal__static_protobuf_unittest_DummyMessageInvalidAsOptionType__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.DummyMessageInvalidAsOptionType, global::Google.ProtocolBuffers.TestProtos.DummyMessageInvalidAsOptionType.Builder>(internal__static_protobuf_unittest_DummyMessageInvalidAsOptionType__Descriptor,
-            new string[] { });
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_CustomOptionMinIntegerValues__Descriptor
-        = Descriptor.MessageTypes[5];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.CustomOptionMinIntegerValues, global::Google.ProtocolBuffers.TestProtos.CustomOptionMinIntegerValues.Builder> internal__static_protobuf_unittest_CustomOptionMinIntegerValues__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.CustomOptionMinIntegerValues, global::Google.ProtocolBuffers.TestProtos.CustomOptionMinIntegerValues.Builder>(internal__static_protobuf_unittest_CustomOptionMinIntegerValues__Descriptor,
-            new string[] { });
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_CustomOptionMaxIntegerValues__Descriptor
-        = Descriptor.MessageTypes[6];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.CustomOptionMaxIntegerValues, global::Google.ProtocolBuffers.TestProtos.CustomOptionMaxIntegerValues.Builder> internal__static_protobuf_unittest_CustomOptionMaxIntegerValues__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.CustomOptionMaxIntegerValues, global::Google.ProtocolBuffers.TestProtos.CustomOptionMaxIntegerValues.Builder>(internal__static_protobuf_unittest_CustomOptionMaxIntegerValues__Descriptor,
-            new string[] { });
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_CustomOptionOtherValues__Descriptor
-        = Descriptor.MessageTypes[7];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.CustomOptionOtherValues, global::Google.ProtocolBuffers.TestProtos.CustomOptionOtherValues.Builder> internal__static_protobuf_unittest_CustomOptionOtherValues__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.CustomOptionOtherValues, global::Google.ProtocolBuffers.TestProtos.CustomOptionOtherValues.Builder>(internal__static_protobuf_unittest_CustomOptionOtherValues__Descriptor,
-            new string[] { });
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_SettingRealsFromPositiveInts__Descriptor
-        = Descriptor.MessageTypes[8];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.SettingRealsFromPositiveInts, global::Google.ProtocolBuffers.TestProtos.SettingRealsFromPositiveInts.Builder> internal__static_protobuf_unittest_SettingRealsFromPositiveInts__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.SettingRealsFromPositiveInts, global::Google.ProtocolBuffers.TestProtos.SettingRealsFromPositiveInts.Builder>(internal__static_protobuf_unittest_SettingRealsFromPositiveInts__Descriptor,
-            new string[] { });
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_SettingRealsFromNegativeInts__Descriptor
-        = Descriptor.MessageTypes[9];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.SettingRealsFromNegativeInts, global::Google.ProtocolBuffers.TestProtos.SettingRealsFromNegativeInts.Builder> internal__static_protobuf_unittest_SettingRealsFromNegativeInts__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.SettingRealsFromNegativeInts, global::Google.ProtocolBuffers.TestProtos.SettingRealsFromNegativeInts.Builder>(internal__static_protobuf_unittest_SettingRealsFromNegativeInts__Descriptor,
-            new string[] { });
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_ComplexOptionType1__Descriptor
-        = Descriptor.MessageTypes[10];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType1, global::Google.ProtocolBuffers.TestProtos.ComplexOptionType1.Builder> internal__static_protobuf_unittest_ComplexOptionType1__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType1, global::Google.ProtocolBuffers.TestProtos.ComplexOptionType1.Builder>(internal__static_protobuf_unittest_ComplexOptionType1__Descriptor,
-            new string[] { "Foo", });
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_ComplexOptionType2__Descriptor
-        = Descriptor.MessageTypes[11];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2, global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2.Builder> internal__static_protobuf_unittest_ComplexOptionType2__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2, global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2.Builder>(internal__static_protobuf_unittest_ComplexOptionType2__Descriptor,
-            new string[] { "Bar", "Baz", "Fred", });
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_ComplexOptionType2_ComplexOptionType4__Descriptor
-        = internal__static_protobuf_unittest_ComplexOptionType2__Descriptor.NestedTypes[0];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2.Types.ComplexOptionType4, global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2.Types.ComplexOptionType4.Builder> internal__static_protobuf_unittest_ComplexOptionType2_ComplexOptionType4__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2.Types.ComplexOptionType4, global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2.Types.ComplexOptionType4.Builder>(internal__static_protobuf_unittest_ComplexOptionType2_ComplexOptionType4__Descriptor,
-            new string[] { "Waldo", });
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_ComplexOptionType3__Descriptor
-        = Descriptor.MessageTypes[12];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType3, global::Google.ProtocolBuffers.TestProtos.ComplexOptionType3.Builder> internal__static_protobuf_unittest_ComplexOptionType3__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType3, global::Google.ProtocolBuffers.TestProtos.ComplexOptionType3.Builder>(internal__static_protobuf_unittest_ComplexOptionType3__Descriptor,
-            new string[] { "Qux", "ComplexOptionType5", });
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_ComplexOptionType3_ComplexOptionType5__Descriptor
-        = internal__static_protobuf_unittest_ComplexOptionType3__Descriptor.NestedTypes[0];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType3.Types.ComplexOptionType5, global::Google.ProtocolBuffers.TestProtos.ComplexOptionType3.Types.ComplexOptionType5.Builder> internal__static_protobuf_unittest_ComplexOptionType3_ComplexOptionType5__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType3.Types.ComplexOptionType5, global::Google.ProtocolBuffers.TestProtos.ComplexOptionType3.Types.ComplexOptionType5.Builder>(internal__static_protobuf_unittest_ComplexOptionType3_ComplexOptionType5__Descriptor,
-            new string[] { "Plugh", });
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_ComplexOpt6__Descriptor
-        = Descriptor.MessageTypes[13];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ComplexOpt6, global::Google.ProtocolBuffers.TestProtos.ComplexOpt6.Builder> internal__static_protobuf_unittest_ComplexOpt6__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ComplexOpt6, global::Google.ProtocolBuffers.TestProtos.ComplexOpt6.Builder>(internal__static_protobuf_unittest_ComplexOpt6__Descriptor,
-            new string[] { "Xyzzy", });
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_VariousComplexOptions__Descriptor
-        = Descriptor.MessageTypes[14];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.VariousComplexOptions, global::Google.ProtocolBuffers.TestProtos.VariousComplexOptions.Builder> internal__static_protobuf_unittest_VariousComplexOptions__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.VariousComplexOptions, global::Google.ProtocolBuffers.TestProtos.VariousComplexOptions.Builder>(internal__static_protobuf_unittest_VariousComplexOptions__Descriptor,
-            new string[] { });
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestMessageWithCustomOptions__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMessageWithCustomOptions, global::Google.ProtocolBuffers.TestProtos.TestMessageWithCustomOptions.Builder> internal__static_protobuf_unittest_TestMessageWithCustomOptions__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_CustomOptionFooRequest__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.CustomOptionFooRequest, global::Google.ProtocolBuffers.TestProtos.CustomOptionFooRequest.Builder> internal__static_protobuf_unittest_CustomOptionFooRequest__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_CustomOptionFooResponse__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.CustomOptionFooResponse, global::Google.ProtocolBuffers.TestProtos.CustomOptionFooResponse.Builder> internal__static_protobuf_unittest_CustomOptionFooResponse__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_DummyMessageContainingEnum__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.DummyMessageContainingEnum, global::Google.ProtocolBuffers.TestProtos.DummyMessageContainingEnum.Builder> internal__static_protobuf_unittest_DummyMessageContainingEnum__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_DummyMessageInvalidAsOptionType__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.DummyMessageInvalidAsOptionType, global::Google.ProtocolBuffers.TestProtos.DummyMessageInvalidAsOptionType.Builder> internal__static_protobuf_unittest_DummyMessageInvalidAsOptionType__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_CustomOptionMinIntegerValues__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.CustomOptionMinIntegerValues, global::Google.ProtocolBuffers.TestProtos.CustomOptionMinIntegerValues.Builder> internal__static_protobuf_unittest_CustomOptionMinIntegerValues__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_CustomOptionMaxIntegerValues__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.CustomOptionMaxIntegerValues, global::Google.ProtocolBuffers.TestProtos.CustomOptionMaxIntegerValues.Builder> internal__static_protobuf_unittest_CustomOptionMaxIntegerValues__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_CustomOptionOtherValues__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.CustomOptionOtherValues, global::Google.ProtocolBuffers.TestProtos.CustomOptionOtherValues.Builder> internal__static_protobuf_unittest_CustomOptionOtherValues__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_SettingRealsFromPositiveInts__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.SettingRealsFromPositiveInts, global::Google.ProtocolBuffers.TestProtos.SettingRealsFromPositiveInts.Builder> internal__static_protobuf_unittest_SettingRealsFromPositiveInts__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_SettingRealsFromNegativeInts__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.SettingRealsFromNegativeInts, global::Google.ProtocolBuffers.TestProtos.SettingRealsFromNegativeInts.Builder> internal__static_protobuf_unittest_SettingRealsFromNegativeInts__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_ComplexOptionType1__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType1, global::Google.ProtocolBuffers.TestProtos.ComplexOptionType1.Builder> internal__static_protobuf_unittest_ComplexOptionType1__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_ComplexOptionType2__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2, global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2.Builder> internal__static_protobuf_unittest_ComplexOptionType2__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_ComplexOptionType2_ComplexOptionType4__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2.Types.ComplexOptionType4, global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2.Types.ComplexOptionType4.Builder> internal__static_protobuf_unittest_ComplexOptionType2_ComplexOptionType4__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_ComplexOptionType3__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType3, global::Google.ProtocolBuffers.TestProtos.ComplexOptionType3.Builder> internal__static_protobuf_unittest_ComplexOptionType3__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_ComplexOptionType3_ComplexOptionType5__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType3.Types.ComplexOptionType5, global::Google.ProtocolBuffers.TestProtos.ComplexOptionType3.Types.ComplexOptionType5.Builder> internal__static_protobuf_unittest_ComplexOptionType3_ComplexOptionType5__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_ComplexOpt6__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ComplexOpt6, global::Google.ProtocolBuffers.TestProtos.ComplexOpt6.Builder> internal__static_protobuf_unittest_ComplexOpt6__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_VariousComplexOptions__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.VariousComplexOptions, global::Google.ProtocolBuffers.TestProtos.VariousComplexOptions.Builder> internal__static_protobuf_unittest_VariousComplexOptions__FieldAccessorTable;
+    #endregion
+    #region Descriptor
+    public static pbd::FileDescriptor Descriptor {
+      get { return descriptor; }
+    }
+    private static pbd::FileDescriptor descriptor;
+    
+    static UnitTestCustomOptionsProtoFile() {
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+      pbd::FileDescriptor.InternalDescriptorAssigner assigner = delegate(pbd::FileDescriptor root) {
+        descriptor = root;
+        internal__static_protobuf_unittest_TestMessageWithCustomOptions__Descriptor = Descriptor.MessageTypes[0];
+        internal__static_protobuf_unittest_TestMessageWithCustomOptions__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMessageWithCustomOptions, global::Google.ProtocolBuffers.TestProtos.TestMessageWithCustomOptions.Builder>(internal__static_protobuf_unittest_TestMessageWithCustomOptions__Descriptor,
+                new string[] { "Field1", });
+        internal__static_protobuf_unittest_CustomOptionFooRequest__Descriptor = Descriptor.MessageTypes[1];
+        internal__static_protobuf_unittest_CustomOptionFooRequest__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.CustomOptionFooRequest, global::Google.ProtocolBuffers.TestProtos.CustomOptionFooRequest.Builder>(internal__static_protobuf_unittest_CustomOptionFooRequest__Descriptor,
+                new string[] { });
+        internal__static_protobuf_unittest_CustomOptionFooResponse__Descriptor = Descriptor.MessageTypes[2];
+        internal__static_protobuf_unittest_CustomOptionFooResponse__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.CustomOptionFooResponse, global::Google.ProtocolBuffers.TestProtos.CustomOptionFooResponse.Builder>(internal__static_protobuf_unittest_CustomOptionFooResponse__Descriptor,
+                new string[] { });
+        internal__static_protobuf_unittest_DummyMessageContainingEnum__Descriptor = Descriptor.MessageTypes[3];
+        internal__static_protobuf_unittest_DummyMessageContainingEnum__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.DummyMessageContainingEnum, global::Google.ProtocolBuffers.TestProtos.DummyMessageContainingEnum.Builder>(internal__static_protobuf_unittest_DummyMessageContainingEnum__Descriptor,
+                new string[] { });
+        internal__static_protobuf_unittest_DummyMessageInvalidAsOptionType__Descriptor = Descriptor.MessageTypes[4];
+        internal__static_protobuf_unittest_DummyMessageInvalidAsOptionType__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.DummyMessageInvalidAsOptionType, global::Google.ProtocolBuffers.TestProtos.DummyMessageInvalidAsOptionType.Builder>(internal__static_protobuf_unittest_DummyMessageInvalidAsOptionType__Descriptor,
+                new string[] { });
+        internal__static_protobuf_unittest_CustomOptionMinIntegerValues__Descriptor = Descriptor.MessageTypes[5];
+        internal__static_protobuf_unittest_CustomOptionMinIntegerValues__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.CustomOptionMinIntegerValues, global::Google.ProtocolBuffers.TestProtos.CustomOptionMinIntegerValues.Builder>(internal__static_protobuf_unittest_CustomOptionMinIntegerValues__Descriptor,
+                new string[] { });
+        internal__static_protobuf_unittest_CustomOptionMaxIntegerValues__Descriptor = Descriptor.MessageTypes[6];
+        internal__static_protobuf_unittest_CustomOptionMaxIntegerValues__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.CustomOptionMaxIntegerValues, global::Google.ProtocolBuffers.TestProtos.CustomOptionMaxIntegerValues.Builder>(internal__static_protobuf_unittest_CustomOptionMaxIntegerValues__Descriptor,
+                new string[] { });
+        internal__static_protobuf_unittest_CustomOptionOtherValues__Descriptor = Descriptor.MessageTypes[7];
+        internal__static_protobuf_unittest_CustomOptionOtherValues__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.CustomOptionOtherValues, global::Google.ProtocolBuffers.TestProtos.CustomOptionOtherValues.Builder>(internal__static_protobuf_unittest_CustomOptionOtherValues__Descriptor,
+                new string[] { });
+        internal__static_protobuf_unittest_SettingRealsFromPositiveInts__Descriptor = Descriptor.MessageTypes[8];
+        internal__static_protobuf_unittest_SettingRealsFromPositiveInts__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.SettingRealsFromPositiveInts, global::Google.ProtocolBuffers.TestProtos.SettingRealsFromPositiveInts.Builder>(internal__static_protobuf_unittest_SettingRealsFromPositiveInts__Descriptor,
+                new string[] { });
+        internal__static_protobuf_unittest_SettingRealsFromNegativeInts__Descriptor = Descriptor.MessageTypes[9];
+        internal__static_protobuf_unittest_SettingRealsFromNegativeInts__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.SettingRealsFromNegativeInts, global::Google.ProtocolBuffers.TestProtos.SettingRealsFromNegativeInts.Builder>(internal__static_protobuf_unittest_SettingRealsFromNegativeInts__Descriptor,
+                new string[] { });
+        internal__static_protobuf_unittest_ComplexOptionType1__Descriptor = Descriptor.MessageTypes[10];
+        internal__static_protobuf_unittest_ComplexOptionType1__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType1, global::Google.ProtocolBuffers.TestProtos.ComplexOptionType1.Builder>(internal__static_protobuf_unittest_ComplexOptionType1__Descriptor,
+                new string[] { "Foo", });
+        internal__static_protobuf_unittest_ComplexOptionType2__Descriptor = Descriptor.MessageTypes[11];
+        internal__static_protobuf_unittest_ComplexOptionType2__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2, global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2.Builder>(internal__static_protobuf_unittest_ComplexOptionType2__Descriptor,
+                new string[] { "Bar", "Baz", "Fred", });
+        internal__static_protobuf_unittest_ComplexOptionType2_ComplexOptionType4__Descriptor = internal__static_protobuf_unittest_ComplexOptionType2__Descriptor.NestedTypes[0];
+        internal__static_protobuf_unittest_ComplexOptionType2_ComplexOptionType4__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2.Types.ComplexOptionType4, global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2.Types.ComplexOptionType4.Builder>(internal__static_protobuf_unittest_ComplexOptionType2_ComplexOptionType4__Descriptor,
+                new string[] { "Waldo", });
+        global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2.Types.ComplexOptionType4.ComplexOpt4 = pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2.Types.ComplexOptionType4>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2.Types.ComplexOptionType4.Descriptor.Extensions[0]);
+        internal__static_protobuf_unittest_ComplexOptionType3__Descriptor = Descriptor.MessageTypes[12];
+        internal__static_protobuf_unittest_ComplexOptionType3__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType3, global::Google.ProtocolBuffers.TestProtos.ComplexOptionType3.Builder>(internal__static_protobuf_unittest_ComplexOptionType3__Descriptor,
+                new string[] { "Qux", "ComplexOptionType5", });
+        internal__static_protobuf_unittest_ComplexOptionType3_ComplexOptionType5__Descriptor = internal__static_protobuf_unittest_ComplexOptionType3__Descriptor.NestedTypes[0];
+        internal__static_protobuf_unittest_ComplexOptionType3_ComplexOptionType5__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType3.Types.ComplexOptionType5, global::Google.ProtocolBuffers.TestProtos.ComplexOptionType3.Types.ComplexOptionType5.Builder>(internal__static_protobuf_unittest_ComplexOptionType3_ComplexOptionType5__Descriptor,
+                new string[] { "Plugh", });
+        internal__static_protobuf_unittest_ComplexOpt6__Descriptor = Descriptor.MessageTypes[13];
+        internal__static_protobuf_unittest_ComplexOpt6__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ComplexOpt6, global::Google.ProtocolBuffers.TestProtos.ComplexOpt6.Builder>(internal__static_protobuf_unittest_ComplexOpt6__Descriptor,
+                new string[] { "Xyzzy", });
+        internal__static_protobuf_unittest_VariousComplexOptions__Descriptor = Descriptor.MessageTypes[14];
+        internal__static_protobuf_unittest_VariousComplexOptions__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.VariousComplexOptions, global::Google.ProtocolBuffers.TestProtos.VariousComplexOptions.Builder>(internal__static_protobuf_unittest_VariousComplexOptions__Descriptor,
+                new string[] { });
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.FileOpt1 = pb::GeneratedSingleExtension<ulong>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[0]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.MessageOpt1 = pb::GeneratedSingleExtension<int>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[1]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.FieldOpt1 = pb::GeneratedSingleExtension<ulong>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[2]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.FieldOpt2 = pb::GeneratedSingleExtension<int>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[3]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.EnumOpt1 = pb::GeneratedSingleExtension<int>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[4]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.ServiceOpt1 = pb::GeneratedSingleExtension<long>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[5]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.MethodOpt1 = pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.MethodOpt1>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[6]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.BoolOpt = pb::GeneratedSingleExtension<bool>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[7]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Int32Opt = pb::GeneratedSingleExtension<int>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[8]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Int64Opt = pb::GeneratedSingleExtension<long>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[9]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Uint32Opt = pb::GeneratedSingleExtension<uint>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[10]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Uint64Opt = pb::GeneratedSingleExtension<ulong>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[11]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Sint32Opt = pb::GeneratedSingleExtension<int>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[12]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Sint64Opt = pb::GeneratedSingleExtension<long>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[13]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Fixed32Opt = pb::GeneratedSingleExtension<uint>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[14]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Fixed64Opt = pb::GeneratedSingleExtension<ulong>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[15]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Sfixed32Opt = pb::GeneratedSingleExtension<int>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[16]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Sfixed64Opt = pb::GeneratedSingleExtension<long>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[17]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.FloatOpt = pb::GeneratedSingleExtension<float>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[18]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.DoubleOpt = pb::GeneratedSingleExtension<double>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[19]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.StringOpt = pb::GeneratedSingleExtension<string>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[20]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.BytesOpt = pb::GeneratedSingleExtension<pb::ByteString>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[21]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.EnumOpt = pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.DummyMessageContainingEnum.Types.TestEnumType>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[22]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.MessageTypeOpt = pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.DummyMessageInvalidAsOptionType>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[23]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Quux = pb::GeneratedSingleExtension<int>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[24]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Corge = pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType3>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[25]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Grault = pb::GeneratedSingleExtension<int>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[26]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Garply = pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType1>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[27]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.ComplexOpt1 = pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType1>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[28]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.ComplexOpt2 = pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[29]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.ComplexOpt3 = pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType3>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[30]);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.ComplexOpt6 = pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ComplexOpt6>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor.Extensions[31]);
+        pb::ExtensionRegistry registry = pb::ExtensionRegistry.CreateInstance();
+        RegisterAllExtensions(registry);
+        global::Google.ProtocolBuffers.DescriptorProtos.CSharpOptions.RegisterAllExtensions(registry);
+        global::Google.ProtocolBuffers.DescriptorProtos.DescriptorProtoFile.RegisterAllExtensions(registry);
+        return registry;
+      };
+      pbd::FileDescriptor.InternalBuildGeneratedFileFrom(descriptorData,
+          new pbd::FileDescriptor[] {
+          global::Google.ProtocolBuffers.DescriptorProtos.CSharpOptions.Descriptor, 
+          global::Google.ProtocolBuffers.DescriptorProtos.DescriptorProtoFile.Descriptor, 
+          }, assigner);
+    }
     #endregion
+    
   }
   #region Enums
   public enum MethodOpt1 {
@@ -447,6 +514,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static TestMessageWithCustomOptions() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class CustomOptionFooRequest : pb::GeneratedMessage<CustomOptionFooRequest, CustomOptionFooRequest.Builder> {
@@ -547,6 +617,9 @@ namespace Google.ProtocolBuffers.TestProtos {
       }
       
     }
+    static CustomOptionFooRequest() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class CustomOptionFooResponse : pb::GeneratedMessage<CustomOptionFooResponse, CustomOptionFooResponse.Builder> {
@@ -647,6 +720,9 @@ namespace Google.ProtocolBuffers.TestProtos {
       }
       
     }
+    static CustomOptionFooResponse() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class DummyMessageContainingEnum : pb::GeneratedMessage<DummyMessageContainingEnum, DummyMessageContainingEnum.Builder> {
@@ -757,6 +833,9 @@ namespace Google.ProtocolBuffers.TestProtos {
       }
       
     }
+    static DummyMessageContainingEnum() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class DummyMessageInvalidAsOptionType : pb::GeneratedMessage<DummyMessageInvalidAsOptionType, DummyMessageInvalidAsOptionType.Builder> {
@@ -857,6 +936,9 @@ namespace Google.ProtocolBuffers.TestProtos {
       }
       
     }
+    static DummyMessageInvalidAsOptionType() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class CustomOptionMinIntegerValues : pb::GeneratedMessage<CustomOptionMinIntegerValues, CustomOptionMinIntegerValues.Builder> {
@@ -957,6 +1039,9 @@ namespace Google.ProtocolBuffers.TestProtos {
       }
       
     }
+    static CustomOptionMinIntegerValues() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class CustomOptionMaxIntegerValues : pb::GeneratedMessage<CustomOptionMaxIntegerValues, CustomOptionMaxIntegerValues.Builder> {
@@ -1057,6 +1142,9 @@ namespace Google.ProtocolBuffers.TestProtos {
       }
       
     }
+    static CustomOptionMaxIntegerValues() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class CustomOptionOtherValues : pb::GeneratedMessage<CustomOptionOtherValues, CustomOptionOtherValues.Builder> {
@@ -1157,6 +1245,9 @@ namespace Google.ProtocolBuffers.TestProtos {
       }
       
     }
+    static CustomOptionOtherValues() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class SettingRealsFromPositiveInts : pb::GeneratedMessage<SettingRealsFromPositiveInts, SettingRealsFromPositiveInts.Builder> {
@@ -1257,6 +1348,9 @@ namespace Google.ProtocolBuffers.TestProtos {
       }
       
     }
+    static SettingRealsFromPositiveInts() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class SettingRealsFromNegativeInts : pb::GeneratedMessage<SettingRealsFromNegativeInts, SettingRealsFromNegativeInts.Builder> {
@@ -1357,6 +1451,9 @@ namespace Google.ProtocolBuffers.TestProtos {
       }
       
     }
+    static SettingRealsFromNegativeInts() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class ComplexOptionType1 : pb::ExtendableMessage<ComplexOptionType1, ComplexOptionType1.Builder> {
@@ -1485,6 +1582,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static ComplexOptionType1() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class ComplexOptionType2 : pb::ExtendableMessage<ComplexOptionType2, ComplexOptionType2.Builder> {
@@ -1534,8 +1634,7 @@ namespace Google.ProtocolBuffers.TestProtos {
         }
         
         public const int ComplexOpt4FieldNumber = 7633546;
-        public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2.Types.ComplexOptionType4> ComplexOpt4 =
-            pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2.Types.ComplexOptionType4>.CreateInstance(Descriptor.Extensions[0]);
+        public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ComplexOptionType2.Types.ComplexOptionType4> ComplexOpt4;
         public const int WaldoFieldNumber = 1;
         private bool hasWaldo;
         private int waldo_ = 0;
@@ -1640,6 +1739,9 @@ namespace Google.ProtocolBuffers.TestProtos {
             return this;
           }
         }
+        static ComplexOptionType4() {
+          pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor;
+        }
       }
       
     }
@@ -1841,6 +1943,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static ComplexOptionType2() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class ComplexOptionType3 : pb::GeneratedMessage<ComplexOptionType3, ComplexOptionType3.Builder> {
@@ -1993,6 +2098,9 @@ namespace Google.ProtocolBuffers.TestProtos {
             return this;
           }
         }
+        static ComplexOptionType5() {
+          pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor;
+        }
       }
       
     }
@@ -2148,6 +2256,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static ComplexOptionType3() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class ComplexOpt6 : pb::GeneratedMessage<ComplexOpt6, ComplexOpt6.Builder> {
@@ -2276,6 +2387,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static ComplexOpt6() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class VariousComplexOptions : pb::GeneratedMessage<VariousComplexOptions, VariousComplexOptions.Builder> {
@@ -2376,6 +2490,9 @@ namespace Google.ProtocolBuffers.TestProtos {
       }
       
     }
+    static VariousComplexOptions() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestCustomOptionsProtoFile.Descriptor;
+    }
   }
   
   #endregion
diff --git a/src/ProtocolBuffers.Test/TestProtos/UnitTestEmbedOptimizeForProtoFile.cs b/src/ProtocolBuffers.Test/TestProtos/UnitTestEmbedOptimizeForProtoFile.cs
index 72c52ea2..fdd4acac 100644
--- a/src/ProtocolBuffers.Test/TestProtos/UnitTestEmbedOptimizeForProtoFile.cs
+++ b/src/ProtocolBuffers.Test/TestProtos/UnitTestEmbedOptimizeForProtoFile.cs
@@ -8,34 +8,51 @@ namespace Google.ProtocolBuffers.TestProtos {
   
   public static partial class UnitTestEmbedOptimizeForProtoFile {
   
+    #region Extension registration
+    public static void RegisterAllExtensions(pb::ExtensionRegistry registry) {
+    }
+    #endregion
+    #region Static variables
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestEmbedOptimizedForSize__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestEmbedOptimizedForSize, global::Google.ProtocolBuffers.TestProtos.TestEmbedOptimizedForSize.Builder> internal__static_protobuf_unittest_TestEmbedOptimizedForSize__FieldAccessorTable;
+    #endregion
     #region Descriptor
     public static pbd::FileDescriptor Descriptor {
       get { return descriptor; }
     }
-    private static readonly pbd::FileDescriptor descriptor = pbd::FileDescriptor.InternalBuildGeneratedFileFrom(
-        global::System.Convert.FromBase64String(
-        "CjFnb29nbGUvcHJvdG9idWYvdW5pdHRlc3RfZW1iZWRfb3B0aW1pemVfZm9y" + 
-        "LnByb3RvEhFwcm90b2J1Zl91bml0dGVzdBokZ29vZ2xlL3Byb3RvYnVmL2Nz" + 
-        "aGFycF9vcHRpb25zLnByb3RvGitnb29nbGUvcHJvdG9idWYvdW5pdHRlc3Rf" + 
-        "b3B0aW1pemVfZm9yLnByb3RvIqEBChlUZXN0RW1iZWRPcHRpbWl6ZWRGb3JT" + 
-        "aXplEkEKEG9wdGlvbmFsX21lc3NhZ2UYASABKAsyJy5wcm90b2J1Zl91bml0" + 
-        "dGVzdC5UZXN0T3B0aW1pemVkRm9yU2l6ZRJBChByZXBlYXRlZF9tZXNzYWdl" + 
-        "GAIgAygLMicucHJvdG9idWZfdW5pdHRlc3QuVGVzdE9wdGltaXplZEZvclNp" + 
-        "emVCS0gBwj5GCiFHb29nbGUuUHJvdG9jb2xCdWZmZXJzLlRlc3RQcm90b3MS" + 
-        "IVVuaXRUZXN0RW1iZWRPcHRpbWl6ZUZvclByb3RvRmlsZQ=="),
-        new pbd::FileDescriptor[] {
+    private static pbd::FileDescriptor descriptor;
+    
+    static UnitTestEmbedOptimizeForProtoFile() {
+      byte[] descriptorData = global::System.Convert.FromBase64String(
+          "CjFnb29nbGUvcHJvdG9idWYvdW5pdHRlc3RfZW1iZWRfb3B0aW1pemVfZm9y" + 
+          "LnByb3RvEhFwcm90b2J1Zl91bml0dGVzdBokZ29vZ2xlL3Byb3RvYnVmL2Nz" + 
+          "aGFycF9vcHRpb25zLnByb3RvGitnb29nbGUvcHJvdG9idWYvdW5pdHRlc3Rf" + 
+          "b3B0aW1pemVfZm9yLnByb3RvIqEBChlUZXN0RW1iZWRPcHRpbWl6ZWRGb3JT" + 
+          "aXplEkEKEG9wdGlvbmFsX21lc3NhZ2UYASABKAsyJy5wcm90b2J1Zl91bml0" + 
+          "dGVzdC5UZXN0T3B0aW1pemVkRm9yU2l6ZRJBChByZXBlYXRlZF9tZXNzYWdl" + 
+          "GAIgAygLMicucHJvdG9idWZfdW5pdHRlc3QuVGVzdE9wdGltaXplZEZvclNp" + 
+          "emVCS0gBwj5GCiFHb29nbGUuUHJvdG9jb2xCdWZmZXJzLlRlc3RQcm90b3MS" + 
+          "IVVuaXRUZXN0RW1iZWRPcHRpbWl6ZUZvclByb3RvRmlsZQ==");
+      pbd::FileDescriptor.InternalDescriptorAssigner assigner = delegate(pbd::FileDescriptor root) {
+        descriptor = root;
+        internal__static_protobuf_unittest_TestEmbedOptimizedForSize__Descriptor = Descriptor.MessageTypes[0];
+        internal__static_protobuf_unittest_TestEmbedOptimizedForSize__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestEmbedOptimizedForSize, global::Google.ProtocolBuffers.TestProtos.TestEmbedOptimizedForSize.Builder>(internal__static_protobuf_unittest_TestEmbedOptimizedForSize__Descriptor,
+                new string[] { "OptionalMessage", "RepeatedMessage", });
+        pb::ExtensionRegistry registry = pb::ExtensionRegistry.CreateInstance();
+        RegisterAllExtensions(registry);
+        global::Google.ProtocolBuffers.DescriptorProtos.CSharpOptions.RegisterAllExtensions(registry);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestOptimizeForProtoFile.RegisterAllExtensions(registry);
+        return registry;
+      };
+      pbd::FileDescriptor.InternalBuildGeneratedFileFrom(descriptorData,
+          new pbd::FileDescriptor[] {
           global::Google.ProtocolBuffers.DescriptorProtos.CSharpOptions.Descriptor, 
           global::Google.ProtocolBuffers.TestProtos.UnitTestOptimizeForProtoFile.Descriptor, 
-        });
+          }, assigner);
+    }
     #endregion
     
-    #region Static variables
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestEmbedOptimizedForSize__Descriptor
-        = Descriptor.MessageTypes[0];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestEmbedOptimizedForSize, global::Google.ProtocolBuffers.TestProtos.TestEmbedOptimizedForSize.Builder> internal__static_protobuf_unittest_TestEmbedOptimizedForSize__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestEmbedOptimizedForSize, global::Google.ProtocolBuffers.TestProtos.TestEmbedOptimizedForSize.Builder>(internal__static_protobuf_unittest_TestEmbedOptimizedForSize__Descriptor,
-            new string[] { "OptionalMessage", "RepeatedMessage", });
-    #endregion
   }
   #region Messages
   public sealed partial class TestEmbedOptimizedForSize : pb::GeneratedMessage<TestEmbedOptimizedForSize, TestEmbedOptimizedForSize.Builder> {
@@ -342,6 +359,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static TestEmbedOptimizedForSize() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestEmbedOptimizeForProtoFile.Descriptor;
+    }
   }
   
   #endregion
diff --git a/src/ProtocolBuffers.Test/TestProtos/UnitTestImportProtoFile.cs b/src/ProtocolBuffers.Test/TestProtos/UnitTestImportProtoFile.cs
index 45168b6c..16068968 100644
--- a/src/ProtocolBuffers.Test/TestProtos/UnitTestImportProtoFile.cs
+++ b/src/ProtocolBuffers.Test/TestProtos/UnitTestImportProtoFile.cs
@@ -8,31 +8,47 @@ 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 readonly pbd::FileDescriptor descriptor = pbd::FileDescriptor.InternalBuildGeneratedFileFrom(
-        global::System.Convert.FromBase64String(
-        "CiVnb29nbGUvcHJvdG9idWYvdW5pdHRlc3RfaW1wb3J0LnByb3RvEhhwcm90" + 
-        "b2J1Zl91bml0dGVzdF9pbXBvcnQaJGdvb2dsZS9wcm90b2J1Zi9jc2hhcnBf" + 
-        "b3B0aW9ucy5wcm90byIaCg1JbXBvcnRNZXNzYWdlEgkKAWQYASABKAUqPAoK" + 
-        "SW1wb3J0RW51bRIOCgpJTVBPUlRfRk9PEAcSDgoKSU1QT1JUX0JBUhAIEg4K" + 
-        "CklNUE9SVF9CQVoQCUJbChhjb20uZ29vZ2xlLnByb3RvYnVmLnRlc3RIAcI+" + 
-        "PAohR29vZ2xlLlByb3RvY29sQnVmZmVycy5UZXN0UHJvdG9zEhdVbml0VGVz" + 
-        "dEltcG9ydFByb3RvRmlsZQ=="),
-        new pbd::FileDescriptor[] {
+    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 Static variables
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_import_ImportMessage__Descriptor
-        = Descriptor.MessageTypes[0];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ImportMessage, global::Google.ProtocolBuffers.TestProtos.ImportMessage.Builder> 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", });
-    #endregion
   }
   #region Enums
   public enum ImportEnum {
@@ -253,6 +269,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static ImportMessage() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestImportProtoFile.Descriptor;
+    }
   }
   
   #endregion
diff --git a/src/ProtocolBuffers.Test/TestProtos/UnitTestMessageSetProtoFile.cs b/src/ProtocolBuffers.Test/TestProtos/UnitTestMessageSetProtoFile.cs
index c21a552b..d526bdf0 100644
--- a/src/ProtocolBuffers.Test/TestProtos/UnitTestMessageSetProtoFile.cs
+++ b/src/ProtocolBuffers.Test/TestProtos/UnitTestMessageSetProtoFile.cs
@@ -8,65 +8,90 @@ namespace Google.ProtocolBuffers.TestProtos {
   
   public static partial class UnitTestMessageSetProtoFile {
   
+    #region Extension registration
+    public static void RegisterAllExtensions(pb::ExtensionRegistry registry) {
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension1.MessageSetExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension2.MessageSetExtension);
+    }
+    #endregion
+    #region Static variables
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestMessageSet__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMessageSet, global::Google.ProtocolBuffers.TestProtos.TestMessageSet.Builder> internal__static_protobuf_unittest_TestMessageSet__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestMessageSetContainer__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMessageSetContainer, global::Google.ProtocolBuffers.TestProtos.TestMessageSetContainer.Builder> internal__static_protobuf_unittest_TestMessageSetContainer__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestMessageSetExtension1__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension1, global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension1.Builder> internal__static_protobuf_unittest_TestMessageSetExtension1__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestMessageSetExtension2__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension2, global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension2.Builder> internal__static_protobuf_unittest_TestMessageSetExtension2__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_RawMessageSet__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.RawMessageSet, global::Google.ProtocolBuffers.TestProtos.RawMessageSet.Builder> internal__static_protobuf_unittest_RawMessageSet__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_RawMessageSet_Item__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.RawMessageSet.Types.Item, global::Google.ProtocolBuffers.TestProtos.RawMessageSet.Types.Item.Builder> internal__static_protobuf_unittest_RawMessageSet_Item__FieldAccessorTable;
+    #endregion
     #region Descriptor
     public static pbd::FileDescriptor Descriptor {
       get { return descriptor; }
     }
-    private static readonly pbd::FileDescriptor descriptor = pbd::FileDescriptor.InternalBuildGeneratedFileFrom(
-        global::System.Convert.FromBase64String(
-        "CiNnb29nbGUvcHJvdG9idWYvdW5pdHRlc3RfbXNldC5wcm90bxIRcHJvdG9i" + 
-        "dWZfdW5pdHRlc3QaJGdvb2dsZS9wcm90b2J1Zi9jc2hhcnBfb3B0aW9ucy5w" + 
-        "cm90byIeCg5UZXN0TWVzc2FnZVNldCoICAQQgICAgAI6AggBIlEKF1Rlc3RN" + 
-        "ZXNzYWdlU2V0Q29udGFpbmVyEjYKC21lc3NhZ2Vfc2V0GAEgASgLMiEucHJv" + 
-        "dG9idWZfdW5pdHRlc3QuVGVzdE1lc3NhZ2VTZXQilgEKGFRlc3RNZXNzYWdl" + 
-        "U2V0RXh0ZW5zaW9uMRIJCgFpGA8gASgFMm8KFW1lc3NhZ2Vfc2V0X2V4dGVu" + 
-        "c2lvbhIhLnByb3RvYnVmX3VuaXR0ZXN0LlRlc3RNZXNzYWdlU2V0GLCmXiAB" + 
-        "KAsyKy5wcm90b2J1Zl91bml0dGVzdC5UZXN0TWVzc2FnZVNldEV4dGVuc2lv" + 
-        "bjEimAEKGFRlc3RNZXNzYWdlU2V0RXh0ZW5zaW9uMhILCgNzdHIYGSABKAky" + 
-        "bwoVbWVzc2FnZV9zZXRfZXh0ZW5zaW9uEiEucHJvdG9idWZfdW5pdHRlc3Qu" + 
-        "VGVzdE1lc3NhZ2VTZXQY+bteIAEoCzIrLnByb3RvYnVmX3VuaXR0ZXN0LlRl" + 
-        "c3RNZXNzYWdlU2V0RXh0ZW5zaW9uMiJuCg1SYXdNZXNzYWdlU2V0EjMKBGl0" + 
-        "ZW0YASADKAoyJS5wcm90b2J1Zl91bml0dGVzdC5SYXdNZXNzYWdlU2V0Lkl0" + 
-        "ZW0aKAoESXRlbRIPCgd0eXBlX2lkGAIgAigFEg8KB21lc3NhZ2UYAyACKAxC" + 
-        "RUgBwj5ACiFHb29nbGUuUHJvdG9jb2xCdWZmZXJzLlRlc3RQcm90b3MSG1Vu" + 
-        "aXRUZXN0TWVzc2FnZVNldFByb3RvRmlsZQ=="),
-        new pbd::FileDescriptor[] {
+    private static pbd::FileDescriptor descriptor;
+    
+    static UnitTestMessageSetProtoFile() {
+      byte[] descriptorData = global::System.Convert.FromBase64String(
+          "CiNnb29nbGUvcHJvdG9idWYvdW5pdHRlc3RfbXNldC5wcm90bxIRcHJvdG9i" + 
+          "dWZfdW5pdHRlc3QaJGdvb2dsZS9wcm90b2J1Zi9jc2hhcnBfb3B0aW9ucy5w" + 
+          "cm90byIeCg5UZXN0TWVzc2FnZVNldCoICAQQgICAgAI6AggBIlEKF1Rlc3RN" + 
+          "ZXNzYWdlU2V0Q29udGFpbmVyEjYKC21lc3NhZ2Vfc2V0GAEgASgLMiEucHJv" + 
+          "dG9idWZfdW5pdHRlc3QuVGVzdE1lc3NhZ2VTZXQilgEKGFRlc3RNZXNzYWdl" + 
+          "U2V0RXh0ZW5zaW9uMRIJCgFpGA8gASgFMm8KFW1lc3NhZ2Vfc2V0X2V4dGVu" + 
+          "c2lvbhIhLnByb3RvYnVmX3VuaXR0ZXN0LlRlc3RNZXNzYWdlU2V0GLCmXiAB" + 
+          "KAsyKy5wcm90b2J1Zl91bml0dGVzdC5UZXN0TWVzc2FnZVNldEV4dGVuc2lv" + 
+          "bjEimAEKGFRlc3RNZXNzYWdlU2V0RXh0ZW5zaW9uMhILCgNzdHIYGSABKAky" + 
+          "bwoVbWVzc2FnZV9zZXRfZXh0ZW5zaW9uEiEucHJvdG9idWZfdW5pdHRlc3Qu" + 
+          "VGVzdE1lc3NhZ2VTZXQY+bteIAEoCzIrLnByb3RvYnVmX3VuaXR0ZXN0LlRl" + 
+          "c3RNZXNzYWdlU2V0RXh0ZW5zaW9uMiJuCg1SYXdNZXNzYWdlU2V0EjMKBGl0" + 
+          "ZW0YASADKAoyJS5wcm90b2J1Zl91bml0dGVzdC5SYXdNZXNzYWdlU2V0Lkl0" + 
+          "ZW0aKAoESXRlbRIPCgd0eXBlX2lkGAIgAigFEg8KB21lc3NhZ2UYAyACKAxC" + 
+          "RUgBwj5ACiFHb29nbGUuUHJvdG9jb2xCdWZmZXJzLlRlc3RQcm90b3MSG1Vu" + 
+          "aXRUZXN0TWVzc2FnZVNldFByb3RvRmlsZQ==");
+      pbd::FileDescriptor.InternalDescriptorAssigner assigner = delegate(pbd::FileDescriptor root) {
+        descriptor = root;
+        internal__static_protobuf_unittest_TestMessageSet__Descriptor = Descriptor.MessageTypes[0];
+        internal__static_protobuf_unittest_TestMessageSet__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMessageSet, global::Google.ProtocolBuffers.TestProtos.TestMessageSet.Builder>(internal__static_protobuf_unittest_TestMessageSet__Descriptor,
+                new string[] { });
+        internal__static_protobuf_unittest_TestMessageSetContainer__Descriptor = Descriptor.MessageTypes[1];
+        internal__static_protobuf_unittest_TestMessageSetContainer__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMessageSetContainer, global::Google.ProtocolBuffers.TestProtos.TestMessageSetContainer.Builder>(internal__static_protobuf_unittest_TestMessageSetContainer__Descriptor,
+                new string[] { "MessageSet", });
+        internal__static_protobuf_unittest_TestMessageSetExtension1__Descriptor = Descriptor.MessageTypes[2];
+        internal__static_protobuf_unittest_TestMessageSetExtension1__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension1, global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension1.Builder>(internal__static_protobuf_unittest_TestMessageSetExtension1__Descriptor,
+                new string[] { "I", });
+        global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension1.MessageSetExtension = pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension1>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension1.Descriptor.Extensions[0]);
+        internal__static_protobuf_unittest_TestMessageSetExtension2__Descriptor = Descriptor.MessageTypes[3];
+        internal__static_protobuf_unittest_TestMessageSetExtension2__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension2, global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension2.Builder>(internal__static_protobuf_unittest_TestMessageSetExtension2__Descriptor,
+                new string[] { "Str", });
+        global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension2.MessageSetExtension = pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension2>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension2.Descriptor.Extensions[0]);
+        internal__static_protobuf_unittest_RawMessageSet__Descriptor = Descriptor.MessageTypes[4];
+        internal__static_protobuf_unittest_RawMessageSet__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.RawMessageSet, global::Google.ProtocolBuffers.TestProtos.RawMessageSet.Builder>(internal__static_protobuf_unittest_RawMessageSet__Descriptor,
+                new string[] { "Item", });
+        internal__static_protobuf_unittest_RawMessageSet_Item__Descriptor = internal__static_protobuf_unittest_RawMessageSet__Descriptor.NestedTypes[0];
+        internal__static_protobuf_unittest_RawMessageSet_Item__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.RawMessageSet.Types.Item, global::Google.ProtocolBuffers.TestProtos.RawMessageSet.Types.Item.Builder>(internal__static_protobuf_unittest_RawMessageSet_Item__Descriptor,
+                new string[] { "TypeId", "Message", });
+        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 Static variables
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestMessageSet__Descriptor
-        = Descriptor.MessageTypes[0];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMessageSet, global::Google.ProtocolBuffers.TestProtos.TestMessageSet.Builder> internal__static_protobuf_unittest_TestMessageSet__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMessageSet, global::Google.ProtocolBuffers.TestProtos.TestMessageSet.Builder>(internal__static_protobuf_unittest_TestMessageSet__Descriptor,
-            new string[] { });
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestMessageSetContainer__Descriptor
-        = Descriptor.MessageTypes[1];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMessageSetContainer, global::Google.ProtocolBuffers.TestProtos.TestMessageSetContainer.Builder> internal__static_protobuf_unittest_TestMessageSetContainer__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMessageSetContainer, global::Google.ProtocolBuffers.TestProtos.TestMessageSetContainer.Builder>(internal__static_protobuf_unittest_TestMessageSetContainer__Descriptor,
-            new string[] { "MessageSet", });
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestMessageSetExtension1__Descriptor
-        = Descriptor.MessageTypes[2];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension1, global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension1.Builder> internal__static_protobuf_unittest_TestMessageSetExtension1__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension1, global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension1.Builder>(internal__static_protobuf_unittest_TestMessageSetExtension1__Descriptor,
-            new string[] { "I", });
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestMessageSetExtension2__Descriptor
-        = Descriptor.MessageTypes[3];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension2, global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension2.Builder> internal__static_protobuf_unittest_TestMessageSetExtension2__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension2, global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension2.Builder>(internal__static_protobuf_unittest_TestMessageSetExtension2__Descriptor,
-            new string[] { "Str", });
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_RawMessageSet__Descriptor
-        = Descriptor.MessageTypes[4];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.RawMessageSet, global::Google.ProtocolBuffers.TestProtos.RawMessageSet.Builder> internal__static_protobuf_unittest_RawMessageSet__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.RawMessageSet, global::Google.ProtocolBuffers.TestProtos.RawMessageSet.Builder>(internal__static_protobuf_unittest_RawMessageSet__Descriptor,
-            new string[] { "Item", });
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_RawMessageSet_Item__Descriptor
-        = internal__static_protobuf_unittest_RawMessageSet__Descriptor.NestedTypes[0];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.RawMessageSet.Types.Item, global::Google.ProtocolBuffers.TestProtos.RawMessageSet.Types.Item.Builder> internal__static_protobuf_unittest_RawMessageSet_Item__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.RawMessageSet.Types.Item, global::Google.ProtocolBuffers.TestProtos.RawMessageSet.Types.Item.Builder>(internal__static_protobuf_unittest_RawMessageSet_Item__Descriptor,
-            new string[] { "TypeId", "Message", });
-    #endregion
   }
   #region Messages
   public sealed partial class TestMessageSet : pb::ExtendableMessage<TestMessageSet, TestMessageSet.Builder> {
@@ -242,6 +267,9 @@ namespace Google.ProtocolBuffers.TestProtos {
       }
       
     }
+    static TestMessageSet() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestMessageSetProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class TestMessageSetContainer : pb::GeneratedMessage<TestMessageSetContainer, TestMessageSetContainer.Builder> {
@@ -476,6 +504,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static TestMessageSetContainer() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestMessageSetProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class TestMessageSetExtension1 : pb::GeneratedMessage<TestMessageSetExtension1, TestMessageSetExtension1.Builder> {
@@ -501,8 +532,7 @@ namespace Google.ProtocolBuffers.TestProtos {
     }
     
     public const int MessageSetExtensionFieldNumber = 1545008;
-    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension1> MessageSetExtension =
-        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension1>.CreateInstance(Descriptor.Extensions[0]);
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension1> MessageSetExtension;
     public const int IFieldNumber = 15;
     private bool hasI;
     private int i_ = 0;
@@ -690,6 +720,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static TestMessageSetExtension1() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestMessageSetProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class TestMessageSetExtension2 : pb::GeneratedMessage<TestMessageSetExtension2, TestMessageSetExtension2.Builder> {
@@ -715,8 +748,7 @@ namespace Google.ProtocolBuffers.TestProtos {
     }
     
     public const int MessageSetExtensionFieldNumber = 1547769;
-    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension2> MessageSetExtension =
-        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension2>.CreateInstance(Descriptor.Extensions[0]);
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.TestMessageSetExtension2> MessageSetExtension;
     public const int StrFieldNumber = 25;
     private bool hasStr;
     private string str_ = "";
@@ -905,6 +937,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static TestMessageSetExtension2() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestMessageSetProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class RawMessageSet : pb::GeneratedMessage<RawMessageSet, RawMessageSet.Builder> {
@@ -1184,6 +1219,9 @@ namespace Google.ProtocolBuffers.TestProtos {
             return this;
           }
         }
+        static Item() {
+          pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestMessageSetProtoFile.Descriptor;
+        }
       }
       
     }
@@ -1401,6 +1439,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static RawMessageSet() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestMessageSetProtoFile.Descriptor;
+    }
   }
   
   #endregion
diff --git a/src/ProtocolBuffers.Test/TestProtos/UnitTestOptimizeForProtoFile.cs b/src/ProtocolBuffers.Test/TestProtos/UnitTestOptimizeForProtoFile.cs
index 0e4c1afd..4b5eb7c8 100644
--- a/src/ProtocolBuffers.Test/TestProtos/UnitTestOptimizeForProtoFile.cs
+++ b/src/ProtocolBuffers.Test/TestProtos/UnitTestOptimizeForProtoFile.cs
@@ -8,49 +8,72 @@ namespace Google.ProtocolBuffers.TestProtos {
   
   public static partial class UnitTestOptimizeForProtoFile {
   
+    #region Extension registration
+    public static void RegisterAllExtensions(pb::ExtensionRegistry registry) {
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.TestOptimizedForSize.TestExtension);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.TestOptimizedForSize.TestExtension2);
+    }
+    #endregion
+    #region Static variables
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestOptimizedForSize__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestOptimizedForSize, global::Google.ProtocolBuffers.TestProtos.TestOptimizedForSize.Builder> internal__static_protobuf_unittest_TestOptimizedForSize__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestRequiredOptimizedForSize__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestRequiredOptimizedForSize, global::Google.ProtocolBuffers.TestProtos.TestRequiredOptimizedForSize.Builder> internal__static_protobuf_unittest_TestRequiredOptimizedForSize__FieldAccessorTable;
+    internal static pbd::MessageDescriptor internal__static_protobuf_unittest_TestOptionalOptimizedForSize__Descriptor;
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestOptionalOptimizedForSize, global::Google.ProtocolBuffers.TestProtos.TestOptionalOptimizedForSize.Builder> internal__static_protobuf_unittest_TestOptionalOptimizedForSize__FieldAccessorTable;
+    #endregion
     #region Descriptor
     public static pbd::FileDescriptor Descriptor {
       get { return descriptor; }
     }
-    private static readonly pbd::FileDescriptor descriptor = pbd::FileDescriptor.InternalBuildGeneratedFileFrom(
-        global::System.Convert.FromBase64String(
-        "Citnb29nbGUvcHJvdG9idWYvdW5pdHRlc3Rfb3B0aW1pemVfZm9yLnByb3Rv" + 
-        "EhFwcm90b2J1Zl91bml0dGVzdBokZ29vZ2xlL3Byb3RvYnVmL2NzaGFycF9v" + 
-        "cHRpb25zLnByb3RvGh5nb29nbGUvcHJvdG9idWYvdW5pdHRlc3QucHJvdG8i" + 
-        "kgIKFFRlc3RPcHRpbWl6ZWRGb3JTaXplEgkKAWkYASABKAUSLgoDbXNnGBMg" + 
-        "ASgLMiEucHJvdG9idWZfdW5pdHRlc3QuRm9yZWlnbk1lc3NhZ2UqCQjoBxCA" + 
-        "gICAAjJACg50ZXN0X2V4dGVuc2lvbhInLnByb3RvYnVmX3VuaXR0ZXN0LlRl" + 
-        "c3RPcHRpbWl6ZWRGb3JTaXplGNIJIAEoBTJyCg90ZXN0X2V4dGVuc2lvbjIS" + 
-        "Jy5wcm90b2J1Zl91bml0dGVzdC5UZXN0T3B0aW1pemVkRm9yU2l6ZRjTCSAB" + 
-        "KAsyLy5wcm90b2J1Zl91bml0dGVzdC5UZXN0UmVxdWlyZWRPcHRpbWl6ZWRG" + 
-        "b3JTaXplIikKHFRlc3RSZXF1aXJlZE9wdGltaXplZEZvclNpemUSCQoBeBgB" + 
-        "IAIoBSJaChxUZXN0T3B0aW9uYWxPcHRpbWl6ZWRGb3JTaXplEjoKAW8YASAB" + 
-        "KAsyLy5wcm90b2J1Zl91bml0dGVzdC5UZXN0UmVxdWlyZWRPcHRpbWl6ZWRG" + 
-        "b3JTaXplQkZIAsI+QQohR29vZ2xlLlByb3RvY29sQnVmZmVycy5UZXN0UHJv" + 
-        "dG9zEhxVbml0VGVzdE9wdGltaXplRm9yUHJvdG9GaWxl"),
-        new pbd::FileDescriptor[] {
+    private static pbd::FileDescriptor descriptor;
+    
+    static UnitTestOptimizeForProtoFile() {
+      byte[] descriptorData = global::System.Convert.FromBase64String(
+          "Citnb29nbGUvcHJvdG9idWYvdW5pdHRlc3Rfb3B0aW1pemVfZm9yLnByb3Rv" + 
+          "EhFwcm90b2J1Zl91bml0dGVzdBokZ29vZ2xlL3Byb3RvYnVmL2NzaGFycF9v" + 
+          "cHRpb25zLnByb3RvGh5nb29nbGUvcHJvdG9idWYvdW5pdHRlc3QucHJvdG8i" + 
+          "kgIKFFRlc3RPcHRpbWl6ZWRGb3JTaXplEgkKAWkYASABKAUSLgoDbXNnGBMg" + 
+          "ASgLMiEucHJvdG9idWZfdW5pdHRlc3QuRm9yZWlnbk1lc3NhZ2UqCQjoBxCA" + 
+          "gICAAjJACg50ZXN0X2V4dGVuc2lvbhInLnByb3RvYnVmX3VuaXR0ZXN0LlRl" + 
+          "c3RPcHRpbWl6ZWRGb3JTaXplGNIJIAEoBTJyCg90ZXN0X2V4dGVuc2lvbjIS" + 
+          "Jy5wcm90b2J1Zl91bml0dGVzdC5UZXN0T3B0aW1pemVkRm9yU2l6ZRjTCSAB" + 
+          "KAsyLy5wcm90b2J1Zl91bml0dGVzdC5UZXN0UmVxdWlyZWRPcHRpbWl6ZWRG" + 
+          "b3JTaXplIikKHFRlc3RSZXF1aXJlZE9wdGltaXplZEZvclNpemUSCQoBeBgB" + 
+          "IAIoBSJaChxUZXN0T3B0aW9uYWxPcHRpbWl6ZWRGb3JTaXplEjoKAW8YASAB" + 
+          "KAsyLy5wcm90b2J1Zl91bml0dGVzdC5UZXN0UmVxdWlyZWRPcHRpbWl6ZWRG" + 
+          "b3JTaXplQkZIAsI+QQohR29vZ2xlLlByb3RvY29sQnVmZmVycy5UZXN0UHJv" + 
+          "dG9zEhxVbml0VGVzdE9wdGltaXplRm9yUHJvdG9GaWxl");
+      pbd::FileDescriptor.InternalDescriptorAssigner assigner = delegate(pbd::FileDescriptor root) {
+        descriptor = root;
+        internal__static_protobuf_unittest_TestOptimizedForSize__Descriptor = Descriptor.MessageTypes[0];
+        internal__static_protobuf_unittest_TestOptimizedForSize__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestOptimizedForSize, global::Google.ProtocolBuffers.TestProtos.TestOptimizedForSize.Builder>(internal__static_protobuf_unittest_TestOptimizedForSize__Descriptor,
+                new string[] { "I", "Msg", });
+        global::Google.ProtocolBuffers.TestProtos.TestOptimizedForSize.TestExtension = pb::GeneratedSingleExtension<int>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.TestOptimizedForSize.Descriptor.Extensions[0]);
+        global::Google.ProtocolBuffers.TestProtos.TestOptimizedForSize.TestExtension2 = pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.TestRequiredOptimizedForSize>.CreateInstance(global::Google.ProtocolBuffers.TestProtos.TestOptimizedForSize.Descriptor.Extensions[1]);
+        internal__static_protobuf_unittest_TestRequiredOptimizedForSize__Descriptor = Descriptor.MessageTypes[1];
+        internal__static_protobuf_unittest_TestRequiredOptimizedForSize__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestRequiredOptimizedForSize, global::Google.ProtocolBuffers.TestProtos.TestRequiredOptimizedForSize.Builder>(internal__static_protobuf_unittest_TestRequiredOptimizedForSize__Descriptor,
+                new string[] { "X", });
+        internal__static_protobuf_unittest_TestOptionalOptimizedForSize__Descriptor = Descriptor.MessageTypes[2];
+        internal__static_protobuf_unittest_TestOptionalOptimizedForSize__FieldAccessorTable = 
+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestOptionalOptimizedForSize, global::Google.ProtocolBuffers.TestProtos.TestOptionalOptimizedForSize.Builder>(internal__static_protobuf_unittest_TestOptionalOptimizedForSize__Descriptor,
+                new string[] { "O", });
+        pb::ExtensionRegistry registry = pb::ExtensionRegistry.CreateInstance();
+        RegisterAllExtensions(registry);
+        global::Google.ProtocolBuffers.DescriptorProtos.CSharpOptions.RegisterAllExtensions(registry);
+        global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.RegisterAllExtensions(registry);
+        return registry;
+      };
+      pbd::FileDescriptor.InternalBuildGeneratedFileFrom(descriptorData,
+          new pbd::FileDescriptor[] {
           global::Google.ProtocolBuffers.DescriptorProtos.CSharpOptions.Descriptor, 
           global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor, 
-        });
+          }, assigner);
+    }
     #endregion
     
-    #region Static variables
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestOptimizedForSize__Descriptor
-        = Descriptor.MessageTypes[0];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestOptimizedForSize, global::Google.ProtocolBuffers.TestProtos.TestOptimizedForSize.Builder> internal__static_protobuf_unittest_TestOptimizedForSize__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestOptimizedForSize, global::Google.ProtocolBuffers.TestProtos.TestOptimizedForSize.Builder>(internal__static_protobuf_unittest_TestOptimizedForSize__Descriptor,
-            new string[] { "I", "Msg", });
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestRequiredOptimizedForSize__Descriptor
-        = Descriptor.MessageTypes[1];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestRequiredOptimizedForSize, global::Google.ProtocolBuffers.TestProtos.TestRequiredOptimizedForSize.Builder> internal__static_protobuf_unittest_TestRequiredOptimizedForSize__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestRequiredOptimizedForSize, global::Google.ProtocolBuffers.TestProtos.TestRequiredOptimizedForSize.Builder>(internal__static_protobuf_unittest_TestRequiredOptimizedForSize__Descriptor,
-            new string[] { "X", });
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestOptionalOptimizedForSize__Descriptor
-        = Descriptor.MessageTypes[2];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestOptionalOptimizedForSize, global::Google.ProtocolBuffers.TestProtos.TestOptionalOptimizedForSize.Builder> internal__static_protobuf_unittest_TestOptionalOptimizedForSize__FieldAccessorTable
-        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestOptionalOptimizedForSize, global::Google.ProtocolBuffers.TestProtos.TestOptionalOptimizedForSize.Builder>(internal__static_protobuf_unittest_TestOptionalOptimizedForSize__Descriptor,
-            new string[] { "O", });
-    #endregion
   }
   #region Messages
   public sealed partial class TestOptimizedForSize : pb::ExtendableMessage<TestOptimizedForSize, TestOptimizedForSize.Builder> {
@@ -76,11 +99,9 @@ namespace Google.ProtocolBuffers.TestProtos {
     }
     
     public const int TestExtensionFieldNumber = 1234;
-    public static readonly pb::GeneratedExtensionBase<int> TestExtension =
-        pb::GeneratedSingleExtension<int>.CreateInstance(Descriptor.Extensions[0]);
+    public static pb::GeneratedExtensionBase<int> TestExtension;
     public const int TestExtension2FieldNumber = 1235;
-    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.TestRequiredOptimizedForSize> TestExtension2 =
-        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.TestRequiredOptimizedForSize>.CreateInstance(Descriptor.Extensions[1]);
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.TestRequiredOptimizedForSize> TestExtension2;
     public const int IFieldNumber = 1;
     private bool hasI;
     private int i_ = 0;
@@ -231,6 +252,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static TestOptimizedForSize() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestOptimizeForProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class TestRequiredOptimizedForSize : pb::GeneratedMessage<TestRequiredOptimizedForSize, TestRequiredOptimizedForSize.Builder> {
@@ -359,6 +383,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static TestRequiredOptimizedForSize() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestOptimizeForProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class TestOptionalOptimizedForSize : pb::GeneratedMessage<TestOptionalOptimizedForSize, TestOptionalOptimizedForSize.Builder> {
@@ -505,6 +532,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static TestOptionalOptimizedForSize() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestOptimizeForProtoFile.Descriptor;
+    }
   }
   
   #endregion
diff --git a/src/ProtocolBuffers.Test/TestProtos/UnitTestProtoFile.cs b/src/ProtocolBuffers.Test/TestProtos/UnitTestProtoFile.cs
index 8a94d2da..bf9b83cd 100644
--- a/src/ProtocolBuffers.Test/TestProtos/UnitTestProtoFile.cs
+++ b/src/ProtocolBuffers.Test/TestProtos/UnitTestProtoFile.cs
@@ -8,776 +8,873 @@ namespace Google.ProtocolBuffers.TestProtos {
   
   public static partial class UnitTestProtoFile {
   
-    #region Descriptor
-    public static pbd::FileDescriptor Descriptor {
-      get { return descriptor; }
+    #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.TestRequired.Single);
+      registry.Add(global::Google.ProtocolBuffers.TestProtos.TestRequired.Multi);
     }
-    private static readonly pbd::FileDescriptor descriptor = pbd::FileDescriptor.InternalBuildGeneratedFileFrom(
-        global::System.Convert.FromBase64String(
-        "Ch5nb29nbGUvcHJvdG9idWYvdW5pdHRlc3QucHJvdG8SEXByb3RvYnVmX3Vu" + 
-        "aXR0ZXN0GiRnb29nbGUvcHJvdG9idWYvY3NoYXJwX29wdGlvbnMucHJvdG8a" + 
-        "JWdvb2dsZS9wcm90b2J1Zi91bml0dGVzdF9pbXBvcnQucHJvdG8iuxUKDFRl" + 
-        "c3RBbGxUeXBlcxIWCg5vcHRpb25hbF9pbnQzMhgBIAEoBRIWCg5vcHRpb25h" + 
-        "bF9pbnQ2NBgCIAEoAxIXCg9vcHRpb25hbF91aW50MzIYAyABKA0SFwoPb3B0" + 
-        "aW9uYWxfdWludDY0GAQgASgEEhcKD29wdGlvbmFsX3NpbnQzMhgFIAEoERIX" + 
-        "Cg9vcHRpb25hbF9zaW50NjQYBiABKBISGAoQb3B0aW9uYWxfZml4ZWQzMhgH" + 
-        "IAEoBxIYChBvcHRpb25hbF9maXhlZDY0GAggASgGEhkKEW9wdGlvbmFsX3Nm" + 
-        "aXhlZDMyGAkgASgPEhkKEW9wdGlvbmFsX3NmaXhlZDY0GAogASgQEhYKDm9w" + 
-        "dGlvbmFsX2Zsb2F0GAsgASgCEhcKD29wdGlvbmFsX2RvdWJsZRgMIAEoARIV" + 
-        "Cg1vcHRpb25hbF9ib29sGA0gASgIEhcKD29wdGlvbmFsX3N0cmluZxgOIAEo" + 
-        "CRIWCg5vcHRpb25hbF9ieXRlcxgPIAEoDBJECg1vcHRpb25hbGdyb3VwGBAg" + 
-        "ASgKMi0ucHJvdG9idWZfdW5pdHRlc3QuVGVzdEFsbFR5cGVzLk9wdGlvbmFs" + 
-        "R3JvdXASTgoXb3B0aW9uYWxfbmVzdGVkX21lc3NhZ2UYEiABKAsyLS5wcm90" + 
-        "b2J1Zl91bml0dGVzdC5UZXN0QWxsVHlwZXMuTmVzdGVkTWVzc2FnZRJDChhv" + 
-        "cHRpb25hbF9mb3JlaWduX21lc3NhZ2UYEyABKAsyIS5wcm90b2J1Zl91bml0" + 
-        "dGVzdC5Gb3JlaWduTWVzc2FnZRJIChdvcHRpb25hbF9pbXBvcnRfbWVzc2Fn" + 
-        "ZRgUIAEoCzInLnByb3RvYnVmX3VuaXR0ZXN0X2ltcG9ydC5JbXBvcnRNZXNz" + 
-        "YWdlEkgKFG9wdGlvbmFsX25lc3RlZF9lbnVtGBUgASgOMioucHJvdG9idWZf" + 
-        "dW5pdHRlc3QuVGVzdEFsbFR5cGVzLk5lc3RlZEVudW0SPQoVb3B0aW9uYWxf" + 
-        "Zm9yZWlnbl9lbnVtGBYgASgOMh4ucHJvdG9idWZfdW5pdHRlc3QuRm9yZWln" + 
-        "bkVudW0SQgoUb3B0aW9uYWxfaW1wb3J0X2VudW0YFyABKA4yJC5wcm90b2J1" + 
-        "Zl91bml0dGVzdF9pbXBvcnQuSW1wb3J0RW51bRIhChVvcHRpb25hbF9zdHJp" + 
-        "bmdfcGllY2UYGCABKAlCAggCEhkKDW9wdGlvbmFsX2NvcmQYGSABKAlCAggB" + 
-        "EhYKDnJlcGVhdGVkX2ludDMyGB8gAygFEhYKDnJlcGVhdGVkX2ludDY0GCAg" + 
-        "AygDEhcKD3JlcGVhdGVkX3VpbnQzMhghIAMoDRIXCg9yZXBlYXRlZF91aW50" + 
-        "NjQYIiADKAQSFwoPcmVwZWF0ZWRfc2ludDMyGCMgAygREhcKD3JlcGVhdGVk" + 
-        "X3NpbnQ2NBgkIAMoEhIYChByZXBlYXRlZF9maXhlZDMyGCUgAygHEhgKEHJl" + 
-        "cGVhdGVkX2ZpeGVkNjQYJiADKAYSGQoRcmVwZWF0ZWRfc2ZpeGVkMzIYJyAD" + 
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-        "bGU="),
-        new pbd::FileDescriptor[] {
-          global::Google.ProtocolBuffers.DescriptorProtos.CSharpOptions.Descriptor, 
-          global::Google.ProtocolBuffers.TestProtos.UnitTestImportProtoFile.Descriptor, 
-        });
     #endregion
-    
     #region Extensions
     public const int OptionalInt32ExtensionFieldNumber = 1;
-    public static readonly pb::GeneratedExtensionBase<int> OptionalInt32Extension =
-        pb::GeneratedSingleExtension<int>.CreateInstance(Descriptor.Extensions[0]);
+    public static pb::GeneratedExtensionBase<int> OptionalInt32Extension;
     public const int OptionalInt64ExtensionFieldNumber = 2;
-    public static readonly pb::GeneratedExtensionBase<long> OptionalInt64Extension =
-        pb::GeneratedSingleExtension<long>.CreateInstance(Descriptor.Extensions[1]);
+    public static pb::GeneratedExtensionBase<long> OptionalInt64Extension;
     public const int OptionalUint32ExtensionFieldNumber = 3;
-    public static readonly pb::GeneratedExtensionBase<uint> OptionalUint32Extension =
-        pb::GeneratedSingleExtension<uint>.CreateInstance(Descriptor.Extensions[2]);
+    public static pb::GeneratedExtensionBase<uint> OptionalUint32Extension;
     public const int OptionalUint64ExtensionFieldNumber = 4;
-    public static readonly pb::GeneratedExtensionBase<ulong> OptionalUint64Extension =
-        pb::GeneratedSingleExtension<ulong>.CreateInstance(Descriptor.Extensions[3]);
+    public static pb::GeneratedExtensionBase<ulong> OptionalUint64Extension;
     public const int OptionalSint32ExtensionFieldNumber = 5;
-    public static readonly pb::GeneratedExtensionBase<int> OptionalSint32Extension =
-        pb::GeneratedSingleExtension<int>.CreateInstance(Descriptor.Extensions[4]);
+    public static pb::GeneratedExtensionBase<int> OptionalSint32Extension;
     public const int OptionalSint64ExtensionFieldNumber = 6;
-    public static readonly pb::GeneratedExtensionBase<long> OptionalSint64Extension =
-        pb::GeneratedSingleExtension<long>.CreateInstance(Descriptor.Extensions[5]);
+    public static pb::GeneratedExtensionBase<long> OptionalSint64Extension;
     public const int OptionalFixed32ExtensionFieldNumber = 7;
-    public static readonly pb::GeneratedExtensionBase<uint> OptionalFixed32Extension =
-        pb::GeneratedSingleExtension<uint>.CreateInstance(Descriptor.Extensions[6]);
+    public static pb::GeneratedExtensionBase<uint> OptionalFixed32Extension;
     public const int OptionalFixed64ExtensionFieldNumber = 8;
-    public static readonly pb::GeneratedExtensionBase<ulong> OptionalFixed64Extension =
-        pb::GeneratedSingleExtension<ulong>.CreateInstance(Descriptor.Extensions[7]);
+    public static pb::GeneratedExtensionBase<ulong> OptionalFixed64Extension;
     public const int OptionalSfixed32ExtensionFieldNumber = 9;
-    public static readonly pb::GeneratedExtensionBase<int> OptionalSfixed32Extension =
-        pb::GeneratedSingleExtension<int>.CreateInstance(Descriptor.Extensions[8]);
+    public static pb::GeneratedExtensionBase<int> OptionalSfixed32Extension;
     public const int OptionalSfixed64ExtensionFieldNumber = 10;
-    public static readonly pb::GeneratedExtensionBase<long> OptionalSfixed64Extension =
-        pb::GeneratedSingleExtension<long>.CreateInstance(Descriptor.Extensions[9]);
+    public static pb::GeneratedExtensionBase<long> OptionalSfixed64Extension;
     public const int OptionalFloatExtensionFieldNumber = 11;
-    public static readonly pb::GeneratedExtensionBase<float> OptionalFloatExtension =
-        pb::GeneratedSingleExtension<float>.CreateInstance(Descriptor.Extensions[10]);
+    public static pb::GeneratedExtensionBase<float> OptionalFloatExtension;
     public const int OptionalDoubleExtensionFieldNumber = 12;
-    public static readonly pb::GeneratedExtensionBase<double> OptionalDoubleExtension =
-        pb::GeneratedSingleExtension<double>.CreateInstance(Descriptor.Extensions[11]);
+    public static pb::GeneratedExtensionBase<double> OptionalDoubleExtension;
     public const int OptionalBoolExtensionFieldNumber = 13;
-    public static readonly pb::GeneratedExtensionBase<bool> OptionalBoolExtension =
-        pb::GeneratedSingleExtension<bool>.CreateInstance(Descriptor.Extensions[12]);
+    public static pb::GeneratedExtensionBase<bool> OptionalBoolExtension;
     public const int OptionalStringExtensionFieldNumber = 14;
-    public static readonly pb::GeneratedExtensionBase<string> OptionalStringExtension =
-        pb::GeneratedSingleExtension<string>.CreateInstance(Descriptor.Extensions[13]);
+    public static pb::GeneratedExtensionBase<string> OptionalStringExtension;
     public const int OptionalBytesExtensionFieldNumber = 15;
-    public static readonly pb::GeneratedExtensionBase<pb::ByteString> OptionalBytesExtension =
-        pb::GeneratedSingleExtension<pb::ByteString>.CreateInstance(Descriptor.Extensions[14]);
+    public static pb::GeneratedExtensionBase<pb::ByteString> OptionalBytesExtension;
     public const int OptionalGroupExtensionFieldNumber = 16;
-    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.OptionalGroup_extension> OptionalGroupExtension =
-        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.OptionalGroup_extension>.CreateInstance(Descriptor.Extensions[15]);
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.OptionalGroup_extension> OptionalGroupExtension;
     public const int OptionalNestedMessageExtensionFieldNumber = 18;
-    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage> OptionalNestedMessageExtension =
-        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage>.CreateInstance(Descriptor.Extensions[16]);
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage> OptionalNestedMessageExtension;
     public const int OptionalForeignMessageExtensionFieldNumber = 19;
-    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> OptionalForeignMessageExtension =
-        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ForeignMessage>.CreateInstance(Descriptor.Extensions[17]);
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> OptionalForeignMessageExtension;
     public const int OptionalImportMessageExtensionFieldNumber = 20;
-    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ImportMessage> OptionalImportMessageExtension =
-        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ImportMessage>.CreateInstance(Descriptor.Extensions[18]);
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ImportMessage> OptionalImportMessageExtension;
     public const int OptionalNestedEnumExtensionFieldNumber = 21;
-    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum> OptionalNestedEnumExtension =
-        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum>.CreateInstance(Descriptor.Extensions[19]);
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum> OptionalNestedEnumExtension;
     public const int OptionalForeignEnumExtensionFieldNumber = 22;
-    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> OptionalForeignEnumExtension =
-        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ForeignEnum>.CreateInstance(Descriptor.Extensions[20]);
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> OptionalForeignEnumExtension;
     public const int OptionalImportEnumExtensionFieldNumber = 23;
-    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ImportEnum> OptionalImportEnumExtension =
-        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ImportEnum>.CreateInstance(Descriptor.Extensions[21]);
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ImportEnum> OptionalImportEnumExtension;
     public const int OptionalStringPieceExtensionFieldNumber = 24;
-    public static readonly pb::GeneratedExtensionBase<string> OptionalStringPieceExtension =
-        pb::GeneratedSingleExtension<string>.CreateInstance(Descriptor.Extensions[22]);
+    public static pb::GeneratedExtensionBase<string> OptionalStringPieceExtension;
     public const int OptionalCordExtensionFieldNumber = 25;
-    public static readonly pb::GeneratedExtensionBase<string> OptionalCordExtension =
-        pb::GeneratedSingleExtension<string>.CreateInstance(Descriptor.Extensions[23]);
+    public static pb::GeneratedExtensionBase<string> OptionalCordExtension;
     public const int RepeatedInt32ExtensionFieldNumber = 31;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<int>> RepeatedInt32Extension =
-        pb::GeneratedRepeatExtension<int>.CreateInstance(Descriptor.Extensions[24]);
+    public static pb::GeneratedExtensionBase<scg::IList<int>> RepeatedInt32Extension;
     public const int RepeatedInt64ExtensionFieldNumber = 32;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<long>> RepeatedInt64Extension =
-        pb::GeneratedRepeatExtension<long>.CreateInstance(Descriptor.Extensions[25]);
+    public static pb::GeneratedExtensionBase<scg::IList<long>> RepeatedInt64Extension;
     public const int RepeatedUint32ExtensionFieldNumber = 33;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<uint>> RepeatedUint32Extension =
-        pb::GeneratedRepeatExtension<uint>.CreateInstance(Descriptor.Extensions[26]);
+    public static pb::GeneratedExtensionBase<scg::IList<uint>> RepeatedUint32Extension;
     public const int RepeatedUint64ExtensionFieldNumber = 34;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<ulong>> RepeatedUint64Extension =
-        pb::GeneratedRepeatExtension<ulong>.CreateInstance(Descriptor.Extensions[27]);
+    public static pb::GeneratedExtensionBase<scg::IList<ulong>> RepeatedUint64Extension;
     public const int RepeatedSint32ExtensionFieldNumber = 35;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<int>> RepeatedSint32Extension =
-        pb::GeneratedRepeatExtension<int>.CreateInstance(Descriptor.Extensions[28]);
+    public static pb::GeneratedExtensionBase<scg::IList<int>> RepeatedSint32Extension;
     public const int RepeatedSint64ExtensionFieldNumber = 36;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<long>> RepeatedSint64Extension =
-        pb::GeneratedRepeatExtension<long>.CreateInstance(Descriptor.Extensions[29]);
+    public static pb::GeneratedExtensionBase<scg::IList<long>> RepeatedSint64Extension;
     public const int RepeatedFixed32ExtensionFieldNumber = 37;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<uint>> RepeatedFixed32Extension =
-        pb::GeneratedRepeatExtension<uint>.CreateInstance(Descriptor.Extensions[30]);
+    public static pb::GeneratedExtensionBase<scg::IList<uint>> RepeatedFixed32Extension;
     public const int RepeatedFixed64ExtensionFieldNumber = 38;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<ulong>> RepeatedFixed64Extension =
-        pb::GeneratedRepeatExtension<ulong>.CreateInstance(Descriptor.Extensions[31]);
+    public static pb::GeneratedExtensionBase<scg::IList<ulong>> RepeatedFixed64Extension;
     public const int RepeatedSfixed32ExtensionFieldNumber = 39;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<int>> RepeatedSfixed32Extension =
-        pb::GeneratedRepeatExtension<int>.CreateInstance(Descriptor.Extensions[32]);
+    public static pb::GeneratedExtensionBase<scg::IList<int>> RepeatedSfixed32Extension;
     public const int RepeatedSfixed64ExtensionFieldNumber = 40;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<long>> RepeatedSfixed64Extension =
-        pb::GeneratedRepeatExtension<long>.CreateInstance(Descriptor.Extensions[33]);
+    public static pb::GeneratedExtensionBase<scg::IList<long>> RepeatedSfixed64Extension;
     public const int RepeatedFloatExtensionFieldNumber = 41;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<float>> RepeatedFloatExtension =
-        pb::GeneratedRepeatExtension<float>.CreateInstance(Descriptor.Extensions[34]);
+    public static pb::GeneratedExtensionBase<scg::IList<float>> RepeatedFloatExtension;
     public const int RepeatedDoubleExtensionFieldNumber = 42;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<double>> RepeatedDoubleExtension =
-        pb::GeneratedRepeatExtension<double>.CreateInstance(Descriptor.Extensions[35]);
+    public static pb::GeneratedExtensionBase<scg::IList<double>> RepeatedDoubleExtension;
     public const int RepeatedBoolExtensionFieldNumber = 43;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<bool>> RepeatedBoolExtension =
-        pb::GeneratedRepeatExtension<bool>.CreateInstance(Descriptor.Extensions[36]);
+    public static pb::GeneratedExtensionBase<scg::IList<bool>> RepeatedBoolExtension;
     public const int RepeatedStringExtensionFieldNumber = 44;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<string>> RepeatedStringExtension =
-        pb::GeneratedRepeatExtension<string>.CreateInstance(Descriptor.Extensions[37]);
+    public static pb::GeneratedExtensionBase<scg::IList<string>> RepeatedStringExtension;
     public const int RepeatedBytesExtensionFieldNumber = 45;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<pb::ByteString>> RepeatedBytesExtension =
-        pb::GeneratedRepeatExtension<pb::ByteString>.CreateInstance(Descriptor.Extensions[38]);
+    public static pb::GeneratedExtensionBase<scg::IList<pb::ByteString>> RepeatedBytesExtension;
     public const int RepeatedGroupExtensionFieldNumber = 46;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.RepeatedGroup_extension>> RepeatedGroupExtension =
-        pb::GeneratedRepeatExtension<global::Google.ProtocolBuffers.TestProtos.RepeatedGroup_extension>.CreateInstance(Descriptor.Extensions[39]);
+    public static pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.RepeatedGroup_extension>> RepeatedGroupExtension;
     public const int RepeatedNestedMessageExtensionFieldNumber = 48;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage>> RepeatedNestedMessageExtension =
-        pb::GeneratedRepeatExtension<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage>.CreateInstance(Descriptor.Extensions[40]);
+    public static pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage>> RepeatedNestedMessageExtension;
     public const int RepeatedForeignMessageExtensionFieldNumber = 49;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage>> RepeatedForeignMessageExtension =
-        pb::GeneratedRepeatExtension<global::Google.ProtocolBuffers.TestProtos.ForeignMessage>.CreateInstance(Descriptor.Extensions[41]);
+    public static pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage>> RepeatedForeignMessageExtension;
     public const int RepeatedImportMessageExtensionFieldNumber = 50;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.ImportMessage>> RepeatedImportMessageExtension =
-        pb::GeneratedRepeatExtension<global::Google.ProtocolBuffers.TestProtos.ImportMessage>.CreateInstance(Descriptor.Extensions[42]);
+    public static pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.ImportMessage>> RepeatedImportMessageExtension;
     public const int RepeatedNestedEnumExtensionFieldNumber = 51;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum>> RepeatedNestedEnumExtension =
-        pb::GeneratedRepeatExtension<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum>.CreateInstance(Descriptor.Extensions[43]);
+    public static pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum>> RepeatedNestedEnumExtension;
     public const int RepeatedForeignEnumExtensionFieldNumber = 52;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum>> RepeatedForeignEnumExtension =
-        pb::GeneratedRepeatExtension<global::Google.ProtocolBuffers.TestProtos.ForeignEnum>.CreateInstance(Descriptor.Extensions[44]);
+    public static pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum>> RepeatedForeignEnumExtension;
     public const int RepeatedImportEnumExtensionFieldNumber = 53;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.ImportEnum>> RepeatedImportEnumExtension =
-        pb::GeneratedRepeatExtension<global::Google.ProtocolBuffers.TestProtos.ImportEnum>.CreateInstance(Descriptor.Extensions[45]);
+    public static pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.ImportEnum>> RepeatedImportEnumExtension;
     public const int RepeatedStringPieceExtensionFieldNumber = 54;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<string>> RepeatedStringPieceExtension =
-        pb::GeneratedRepeatExtension<string>.CreateInstance(Descriptor.Extensions[46]);
+    public static pb::GeneratedExtensionBase<scg::IList<string>> RepeatedStringPieceExtension;
     public const int RepeatedCordExtensionFieldNumber = 55;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<string>> RepeatedCordExtension =
-        pb::GeneratedRepeatExtension<string>.CreateInstance(Descriptor.Extensions[47]);
+    public static pb::GeneratedExtensionBase<scg::IList<string>> RepeatedCordExtension;
     public const int DefaultInt32ExtensionFieldNumber = 61;
-    public static readonly pb::GeneratedExtensionBase<int> DefaultInt32Extension =
-        pb::GeneratedSingleExtension<int>.CreateInstance(Descriptor.Extensions[48]);
+    public static pb::GeneratedExtensionBase<int> DefaultInt32Extension;
     public const int DefaultInt64ExtensionFieldNumber = 62;
-    public static readonly pb::GeneratedExtensionBase<long> DefaultInt64Extension =
-        pb::GeneratedSingleExtension<long>.CreateInstance(Descriptor.Extensions[49]);
+    public static pb::GeneratedExtensionBase<long> DefaultInt64Extension;
     public const int DefaultUint32ExtensionFieldNumber = 63;
-    public static readonly pb::GeneratedExtensionBase<uint> DefaultUint32Extension =
-        pb::GeneratedSingleExtension<uint>.CreateInstance(Descriptor.Extensions[50]);
+    public static pb::GeneratedExtensionBase<uint> DefaultUint32Extension;
     public const int DefaultUint64ExtensionFieldNumber = 64;
-    public static readonly pb::GeneratedExtensionBase<ulong> DefaultUint64Extension =
-        pb::GeneratedSingleExtension<ulong>.CreateInstance(Descriptor.Extensions[51]);
+    public static pb::GeneratedExtensionBase<ulong> DefaultUint64Extension;
     public const int DefaultSint32ExtensionFieldNumber = 65;
-    public static readonly pb::GeneratedExtensionBase<int> DefaultSint32Extension =
-        pb::GeneratedSingleExtension<int>.CreateInstance(Descriptor.Extensions[52]);
+    public static pb::GeneratedExtensionBase<int> DefaultSint32Extension;
     public const int DefaultSint64ExtensionFieldNumber = 66;
-    public static readonly pb::GeneratedExtensionBase<long> DefaultSint64Extension =
-        pb::GeneratedSingleExtension<long>.CreateInstance(Descriptor.Extensions[53]);
+    public static pb::GeneratedExtensionBase<long> DefaultSint64Extension;
     public const int DefaultFixed32ExtensionFieldNumber = 67;
-    public static readonly pb::GeneratedExtensionBase<uint> DefaultFixed32Extension =
-        pb::GeneratedSingleExtension<uint>.CreateInstance(Descriptor.Extensions[54]);
+    public static pb::GeneratedExtensionBase<uint> DefaultFixed32Extension;
     public const int DefaultFixed64ExtensionFieldNumber = 68;
-    public static readonly pb::GeneratedExtensionBase<ulong> DefaultFixed64Extension =
-        pb::GeneratedSingleExtension<ulong>.CreateInstance(Descriptor.Extensions[55]);
+    public static pb::GeneratedExtensionBase<ulong> DefaultFixed64Extension;
     public const int DefaultSfixed32ExtensionFieldNumber = 69;
-    public static readonly pb::GeneratedExtensionBase<int> DefaultSfixed32Extension =
-        pb::GeneratedSingleExtension<int>.CreateInstance(Descriptor.Extensions[56]);
+    public static pb::GeneratedExtensionBase<int> DefaultSfixed32Extension;
     public const int DefaultSfixed64ExtensionFieldNumber = 70;
-    public static readonly pb::GeneratedExtensionBase<long> DefaultSfixed64Extension =
-        pb::GeneratedSingleExtension<long>.CreateInstance(Descriptor.Extensions[57]);
+    public static pb::GeneratedExtensionBase<long> DefaultSfixed64Extension;
     public const int DefaultFloatExtensionFieldNumber = 71;
-    public static readonly pb::GeneratedExtensionBase<float> DefaultFloatExtension =
-        pb::GeneratedSingleExtension<float>.CreateInstance(Descriptor.Extensions[58]);
+    public static pb::GeneratedExtensionBase<float> DefaultFloatExtension;
     public const int DefaultDoubleExtensionFieldNumber = 72;
-    public static readonly pb::GeneratedExtensionBase<double> DefaultDoubleExtension =
-        pb::GeneratedSingleExtension<double>.CreateInstance(Descriptor.Extensions[59]);
+    public static pb::GeneratedExtensionBase<double> DefaultDoubleExtension;
     public const int DefaultBoolExtensionFieldNumber = 73;
-    public static readonly pb::GeneratedExtensionBase<bool> DefaultBoolExtension =
-        pb::GeneratedSingleExtension<bool>.CreateInstance(Descriptor.Extensions[60]);
+    public static pb::GeneratedExtensionBase<bool> DefaultBoolExtension;
     public const int DefaultStringExtensionFieldNumber = 74;
-    public static readonly pb::GeneratedExtensionBase<string> DefaultStringExtension =
-        pb::GeneratedSingleExtension<string>.CreateInstance(Descriptor.Extensions[61]);
+    public static pb::GeneratedExtensionBase<string> DefaultStringExtension;
     public const int DefaultBytesExtensionFieldNumber = 75;
-    public static readonly pb::GeneratedExtensionBase<pb::ByteString> DefaultBytesExtension =
-        pb::GeneratedSingleExtension<pb::ByteString>.CreateInstance(Descriptor.Extensions[62]);
+    public static pb::GeneratedExtensionBase<pb::ByteString> DefaultBytesExtension;
     public const int DefaultNestedEnumExtensionFieldNumber = 81;
-    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum> DefaultNestedEnumExtension =
-        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum>.CreateInstance(Descriptor.Extensions[63]);
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum> DefaultNestedEnumExtension;
     public const int DefaultForeignEnumExtensionFieldNumber = 82;
-    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> DefaultForeignEnumExtension =
-        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ForeignEnum>.CreateInstance(Descriptor.Extensions[64]);
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> DefaultForeignEnumExtension;
     public const int DefaultImportEnumExtensionFieldNumber = 83;
-    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ImportEnum> DefaultImportEnumExtension =
-        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ImportEnum>.CreateInstance(Descriptor.Extensions[65]);
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ImportEnum> DefaultImportEnumExtension;
     public const int DefaultStringPieceExtensionFieldNumber = 84;
-    public static readonly pb::GeneratedExtensionBase<string> DefaultStringPieceExtension =
-        pb::GeneratedSingleExtension<string>.CreateInstance(Descriptor.Extensions[66]);
+    public static pb::GeneratedExtensionBase<string> DefaultStringPieceExtension;
     public const int DefaultCordExtensionFieldNumber = 85;
-    public static readonly pb::GeneratedExtensionBase<string> DefaultCordExtension =
-        pb::GeneratedSingleExtension<string>.CreateInstance(Descriptor.Extensions[67]);
+    public static pb::GeneratedExtensionBase<string> DefaultCordExtension;
     public const int MyExtensionStringFieldNumber = 50;
-    public static readonly pb::GeneratedExtensionBase<string> MyExtensionString =
-        pb::GeneratedSingleExtension<string>.CreateInstance(Descriptor.Extensions[68]);
+    public static pb::GeneratedExtensionBase<string> MyExtensionString;
     public const int MyExtensionIntFieldNumber = 5;
-    public static readonly pb::GeneratedExtensionBase<int> MyExtensionInt =
-        pb::GeneratedSingleExtension<int>.CreateInstance(Descriptor.Extensions[69]);
+    public static pb::GeneratedExtensionBase<int> MyExtensionInt;
     public const int PackedInt32ExtensionFieldNumber = 90;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<int>> PackedInt32Extension =
-        pb::GeneratedRepeatExtension<int>.CreateInstance(Descriptor.Extensions[70]);
+    public static pb::GeneratedExtensionBase<scg::IList<int>> PackedInt32Extension;
     public const int PackedInt64ExtensionFieldNumber = 91;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<long>> PackedInt64Extension =
-        pb::GeneratedRepeatExtension<long>.CreateInstance(Descriptor.Extensions[71]);
+    public static pb::GeneratedExtensionBase<scg::IList<long>> PackedInt64Extension;
     public const int PackedUint32ExtensionFieldNumber = 92;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<uint>> PackedUint32Extension =
-        pb::GeneratedRepeatExtension<uint>.CreateInstance(Descriptor.Extensions[72]);
+    public static pb::GeneratedExtensionBase<scg::IList<uint>> PackedUint32Extension;
     public const int PackedUint64ExtensionFieldNumber = 93;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<ulong>> PackedUint64Extension =
-        pb::GeneratedRepeatExtension<ulong>.CreateInstance(Descriptor.Extensions[73]);
+    public static pb::GeneratedExtensionBase<scg::IList<ulong>> PackedUint64Extension;
     public const int PackedSint32ExtensionFieldNumber = 94;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<int>> PackedSint32Extension =
-        pb::GeneratedRepeatExtension<int>.CreateInstance(Descriptor.Extensions[74]);
+    public static pb::GeneratedExtensionBase<scg::IList<int>> PackedSint32Extension;
     public const int PackedSint64ExtensionFieldNumber = 95;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<long>> PackedSint64Extension =
-        pb::GeneratedRepeatExtension<long>.CreateInstance(Descriptor.Extensions[75]);
+    public static pb::GeneratedExtensionBase<scg::IList<long>> PackedSint64Extension;
     public const int PackedFixed32ExtensionFieldNumber = 96;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<uint>> PackedFixed32Extension =
-        pb::GeneratedRepeatExtension<uint>.CreateInstance(Descriptor.Extensions[76]);
+    public static pb::GeneratedExtensionBase<scg::IList<uint>> PackedFixed32Extension;
     public const int PackedFixed64ExtensionFieldNumber = 97;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<ulong>> PackedFixed64Extension =
-        pb::GeneratedRepeatExtension<ulong>.CreateInstance(Descriptor.Extensions[77]);
+    public static pb::GeneratedExtensionBase<scg::IList<ulong>> PackedFixed64Extension;
     public const int PackedSfixed32ExtensionFieldNumber = 98;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<int>> PackedSfixed32Extension =
-        pb::GeneratedRepeatExtension<int>.CreateInstance(Descriptor.Extensions[78]);
+    public static pb::GeneratedExtensionBase<scg::IList<int>> PackedSfixed32Extension;
     public const int PackedSfixed64ExtensionFieldNumber = 99;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<long>> PackedSfixed64Extension =
-        pb::GeneratedRepeatExtension<long>.CreateInstance(Descriptor.Extensions[79]);
+    public static pb::GeneratedExtensionBase<scg::IList<long>> PackedSfixed64Extension;
     public const int PackedFloatExtensionFieldNumber = 100;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<float>> PackedFloatExtension =
-        pb::GeneratedRepeatExtension<float>.CreateInstance(Descriptor.Extensions[80]);
+    public static pb::GeneratedExtensionBase<scg::IList<float>> PackedFloatExtension;
     public const int PackedDoubleExtensionFieldNumber = 101;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<double>> PackedDoubleExtension =
-        pb::GeneratedRepeatExtension<double>.CreateInstance(Descriptor.Extensions[81]);
+    public static pb::GeneratedExtensionBase<scg::IList<double>> PackedDoubleExtension;
     public const int PackedBoolExtensionFieldNumber = 102;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<bool>> PackedBoolExtension =
-        pb::GeneratedRepeatExtension<bool>.CreateInstance(Descriptor.Extensions[82]);
+    public static pb::GeneratedExtensionBase<scg::IList<bool>> PackedBoolExtension;
     public const int PackedEnumExtensionFieldNumber = 103;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum>> PackedEnumExtension =
-        pb::GeneratedRepeatExtension<global::Google.ProtocolBuffers.TestProtos.ForeignEnum>.CreateInstance(Descriptor.Extensions[83]);
+    public static pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum>> PackedEnumExtension;
     #endregion
     
     #region Static variables
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestAllTypes__Descriptor
-        = Descriptor.MessageTypes[0];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestAllTypes, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Builder> 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestAllTypes_NestedMessage__Descriptor
-        = internal__static_protobuf_unittest_TestAllTypes__Descriptor.NestedTypes[0];
-    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
-        = 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestAllTypes_OptionalGroup__Descriptor
-        = internal__static_protobuf_unittest_TestAllTypes__Descriptor.NestedTypes[1];
-    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
-        = 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestAllTypes_RepeatedGroup__Descriptor
-        = internal__static_protobuf_unittest_TestAllTypes__Descriptor.NestedTypes[2];
-    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
-        = 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_ForeignMessage__Descriptor
-        = Descriptor.MessageTypes[1];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ForeignMessage, global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder> 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestAllExtensions__Descriptor
-        = Descriptor.MessageTypes[2];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestAllExtensions, global::Google.ProtocolBuffers.TestProtos.TestAllExtensions.Builder> 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_OptionalGroup_extension__Descriptor
-        = Descriptor.MessageTypes[3];
-    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
-        = 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_RepeatedGroup_extension__Descriptor
-        = Descriptor.MessageTypes[4];
-    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
-        = 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestRequired__Descriptor
-        = Descriptor.MessageTypes[5];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestRequired, global::Google.ProtocolBuffers.TestProtos.TestRequired.Builder> 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", });
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestRequiredForeign__Descriptor
-        = Descriptor.MessageTypes[6];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestRequiredForeign, global::Google.ProtocolBuffers.TestProtos.TestRequiredForeign.Builder> 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestForeignNested__Descriptor
-        = Descriptor.MessageTypes[7];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestForeignNested, global::Google.ProtocolBuffers.TestProtos.TestForeignNested.Builder> 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestEmptyMessage__Descriptor
-        = Descriptor.MessageTypes[8];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestEmptyMessage, global::Google.ProtocolBuffers.TestProtos.TestEmptyMessage.Builder> 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestEmptyMessageWithExtensions__Descriptor
-        = Descriptor.MessageTypes[9];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestEmptyMessageWithExtensions, global::Google.ProtocolBuffers.TestProtos.TestEmptyMessageWithExtensions.Builder> 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestReallyLargeTagNumber__Descriptor
-        = Descriptor.MessageTypes[10];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestReallyLargeTagNumber, global::Google.ProtocolBuffers.TestProtos.TestReallyLargeTagNumber.Builder> 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestRecursiveMessage__Descriptor
-        = Descriptor.MessageTypes[11];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage, global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage.Builder> 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestMutualRecursionA__Descriptor
-        = Descriptor.MessageTypes[12];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA, global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA.Builder> 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestMutualRecursionB__Descriptor
-        = Descriptor.MessageTypes[13];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB, global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB.Builder> 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestDupFieldNumber__Descriptor
-        = Descriptor.MessageTypes[14];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber, global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Builder> 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestDupFieldNumber_Foo__Descriptor
-        = internal__static_protobuf_unittest_TestDupFieldNumber__Descriptor.NestedTypes[0];
-    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
-        = 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestDupFieldNumber_Bar__Descriptor
-        = internal__static_protobuf_unittest_TestDupFieldNumber__Descriptor.NestedTypes[1];
-    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
-        = 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestNestedMessageHasBits__Descriptor
-        = Descriptor.MessageTypes[15];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits, global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Builder> 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestNestedMessageHasBits_NestedMessage__Descriptor
-        = internal__static_protobuf_unittest_TestNestedMessageHasBits__Descriptor.NestedTypes[0];
-    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
-        = 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestCamelCaseFieldNames__Descriptor
-        = Descriptor.MessageTypes[16];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestCamelCaseFieldNames, global::Google.ProtocolBuffers.TestProtos.TestCamelCaseFieldNames.Builder> 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestFieldOrderings__Descriptor
-        = Descriptor.MessageTypes[17];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestFieldOrderings, global::Google.ProtocolBuffers.TestProtos.TestFieldOrderings.Builder> 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestExtremeDefaultValues__Descriptor
-        = Descriptor.MessageTypes[18];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestExtremeDefaultValues, global::Google.ProtocolBuffers.TestProtos.TestExtremeDefaultValues.Builder> 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", });
-    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestPackedTypes__Descriptor
-        = Descriptor.MessageTypes[19];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestPackedTypes, global::Google.ProtocolBuffers.TestProtos.TestPackedTypes.Builder> 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestPackedExtensions__Descriptor
-        = Descriptor.MessageTypes[20];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestPackedExtensions, global::Google.ProtocolBuffers.TestProtos.TestPackedExtensions.Builder> 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_FooRequest__Descriptor
-        = Descriptor.MessageTypes[21];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.FooRequest, global::Google.ProtocolBuffers.TestProtos.FooRequest.Builder> 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_FooResponse__Descriptor
-        = Descriptor.MessageTypes[22];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.FooResponse, global::Google.ProtocolBuffers.TestProtos.FooResponse.Builder> 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_BarRequest__Descriptor
-        = Descriptor.MessageTypes[23];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.BarRequest, global::Google.ProtocolBuffers.TestProtos.BarRequest.Builder> 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 readonly pbd::MessageDescriptor internal__static_protobuf_unittest_BarResponse__Descriptor
-        = Descriptor.MessageTypes[24];
-    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.BarResponse, global::Google.ProtocolBuffers.TestProtos.BarResponse.Builder> 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[] { });
+    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_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_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_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_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_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_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() {
+      byte[] descriptorData = global::System.Convert.FromBase64String(
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+          "dGVzdC5Gb3JlaWduTWVzc2FnZRJIChdvcHRpb25hbF9pbXBvcnRfbWVzc2Fn" + 
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+      pbd::FileDescriptor.InternalDescriptorAssigner assigner = delegate(pbd::FileDescriptor root) {
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+                new string[] { "A", });
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+                new string[] { "A", });
+        internal__static_protobuf_unittest_ForeignMessage__Descriptor = Descriptor.MessageTypes[1];
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+            new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ForeignMessage, global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder>(internal__static_protobuf_unittest_ForeignMessage__Descriptor,
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+                new string[] { });
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+        internal__static_protobuf_unittest_TestRequired__Descriptor = Descriptor.MessageTypes[5];
+        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[6];
+        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[7];
+        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[8];
+        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[9];
+        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_TestReallyLargeTagNumber__Descriptor = Descriptor.MessageTypes[10];
+        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[11];
+        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[12];
+        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[13];
+        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[14];
+        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[15];
+        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[16];
+        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[17];
+        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[18];
+        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", });
+        internal__static_protobuf_unittest_TestPackedTypes__Descriptor = Descriptor.MessageTypes[19];
+        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_TestPackedExtensions__Descriptor = Descriptor.MessageTypes[20];
+        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_FooRequest__Descriptor = Descriptor.MessageTypes[21];
+        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[22];
+        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[23];
+        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[24];
+        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 {
@@ -1046,6 +1143,9 @@ namespace Google.ProtocolBuffers.TestProtos {
             return this;
           }
         }
+        static NestedMessage() {
+          pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+        }
       }
       
       public sealed partial class OptionalGroup : pb::GeneratedMessage<OptionalGroup, OptionalGroup.Builder> {
@@ -1257,6 +1357,9 @@ namespace Google.ProtocolBuffers.TestProtos {
             return this;
           }
         }
+        static OptionalGroup() {
+          pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+        }
       }
       
       public sealed partial class RepeatedGroup : pb::GeneratedMessage<RepeatedGroup, RepeatedGroup.Builder> {
@@ -1468,6 +1571,9 @@ namespace Google.ProtocolBuffers.TestProtos {
             return this;
           }
         }
+        static RepeatedGroup() {
+          pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+        }
       }
       
     }
@@ -5039,6 +5145,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static TestAllTypes() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class ForeignMessage : pb::GeneratedMessage<ForeignMessage, ForeignMessage.Builder> {
@@ -5250,6 +5359,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static ForeignMessage() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class TestAllExtensions : pb::ExtendableMessage<TestAllExtensions, TestAllExtensions.Builder> {
@@ -5425,6 +5537,9 @@ namespace Google.ProtocolBuffers.TestProtos {
       }
       
     }
+    static TestAllExtensions() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class OptionalGroup_extension : pb::GeneratedMessage<OptionalGroup_extension, OptionalGroup_extension.Builder> {
@@ -5636,6 +5751,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static OptionalGroup_extension() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class RepeatedGroup_extension : pb::GeneratedMessage<RepeatedGroup_extension, RepeatedGroup_extension.Builder> {
@@ -5847,6 +5965,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static RepeatedGroup_extension() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class TestRequired : pb::GeneratedMessage<TestRequired, TestRequired.Builder> {
@@ -5872,12 +5993,9 @@ namespace Google.ProtocolBuffers.TestProtos {
     }
     
     public const int SingleFieldNumber = 1000;
-    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.TestRequired> Single =
-        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.TestRequired>.CreateInstance(Descriptor.Extensions[0]);
+    public static pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.TestRequired> Single;
     public const int MultiFieldNumber = 1001;
-    public static readonly
-        pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.TestRequired>> Multi =
-        pb::GeneratedRepeatExtension<global::Google.ProtocolBuffers.TestProtos.TestRequired>.CreateInstance(Descriptor.Extensions[1]);
+    public static pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.TestRequired>> Multi;
     public const int AFieldNumber = 1;
     private bool hasA;
     private int a_ = 0;
@@ -7380,6 +7498,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static TestRequired() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class TestRequiredForeign : pb::GeneratedMessage<TestRequiredForeign, TestRequiredForeign.Builder> {
@@ -7727,6 +7848,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static TestRequiredForeign() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class TestForeignNested : pb::GeneratedMessage<TestForeignNested, TestForeignNested.Builder> {
@@ -7961,6 +8085,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static TestForeignNested() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class TestEmptyMessage : pb::GeneratedMessage<TestEmptyMessage, TestEmptyMessage.Builder> {
@@ -8131,6 +8258,9 @@ namespace Google.ProtocolBuffers.TestProtos {
       }
       
     }
+    static TestEmptyMessage() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class TestEmptyMessageWithExtensions : pb::ExtendableMessage<TestEmptyMessageWithExtensions, TestEmptyMessageWithExtensions.Builder> {
@@ -8306,6 +8436,9 @@ namespace Google.ProtocolBuffers.TestProtos {
       }
       
     }
+    static TestEmptyMessageWithExtensions() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class TestReallyLargeTagNumber : pb::GeneratedMessage<TestReallyLargeTagNumber, TestReallyLargeTagNumber.Builder> {
@@ -8558,6 +8691,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static TestReallyLargeTagNumber() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class TestRecursiveMessage : pb::GeneratedMessage<TestRecursiveMessage, TestRecursiveMessage.Builder> {
@@ -8833,6 +8969,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static TestRecursiveMessage() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class TestMutualRecursionA : pb::GeneratedMessage<TestMutualRecursionA, TestMutualRecursionA.Builder> {
@@ -9067,6 +9206,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static TestMutualRecursionA() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class TestMutualRecursionB : pb::GeneratedMessage<TestMutualRecursionB, TestMutualRecursionB.Builder> {
@@ -9342,6 +9484,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static TestMutualRecursionB() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class TestDupFieldNumber : pb::GeneratedMessage<TestDupFieldNumber, TestDupFieldNumber.Builder> {
@@ -9577,6 +9722,9 @@ namespace Google.ProtocolBuffers.TestProtos {
             return this;
           }
         }
+        static Foo() {
+          pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+        }
       }
       
       public sealed partial class Bar : pb::GeneratedMessage<Bar, Bar.Builder> {
@@ -9788,6 +9936,9 @@ namespace Google.ProtocolBuffers.TestProtos {
             return this;
           }
         }
+        static Bar() {
+          pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+        }
       }
       
     }
@@ -10108,6 +10259,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static TestDupFieldNumber() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class TestNestedMessageHasBits : pb::GeneratedMessage<TestNestedMessageHasBits, TestNestedMessageHasBits.Builder> {
@@ -10427,6 +10581,9 @@ namespace Google.ProtocolBuffers.TestProtos {
             return this;
           }
         }
+        static NestedMessage() {
+          pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+        }
       }
       
     }
@@ -10642,6 +10799,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static TestNestedMessageHasBits() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class TestCamelCaseFieldNames : pb::GeneratedMessage<TestCamelCaseFieldNames, TestCamelCaseFieldNames.Builder> {
@@ -11469,6 +11629,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static TestCamelCaseFieldNames() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class TestFieldOrderings : pb::ExtendableMessage<TestFieldOrderings, TestFieldOrderings.Builder> {
@@ -11769,6 +11932,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static TestFieldOrderings() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class TestExtremeDefaultValues : pb::GeneratedMessage<TestExtremeDefaultValues, TestExtremeDefaultValues.Builder> {
@@ -12187,6 +12353,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static TestExtremeDefaultValues() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class TestPackedTypes : pb::GeneratedMessage<TestPackedTypes, TestPackedTypes.Builder> {
@@ -13319,6 +13488,9 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
     }
+    static TestPackedTypes() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class TestPackedExtensions : pb::ExtendableMessage<TestPackedExtensions, TestPackedExtensions.Builder> {
@@ -13494,6 +13666,9 @@ namespace Google.ProtocolBuffers.TestProtos {
       }
       
     }
+    static TestPackedExtensions() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class FooRequest : pb::GeneratedMessage<FooRequest, FooRequest.Builder> {
@@ -13664,6 +13839,9 @@ namespace Google.ProtocolBuffers.TestProtos {
       }
       
     }
+    static FooRequest() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class FooResponse : pb::GeneratedMessage<FooResponse, FooResponse.Builder> {
@@ -13834,6 +14012,9 @@ namespace Google.ProtocolBuffers.TestProtos {
       }
       
     }
+    static FooResponse() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class BarRequest : pb::GeneratedMessage<BarRequest, BarRequest.Builder> {
@@ -14004,6 +14185,9 @@ namespace Google.ProtocolBuffers.TestProtos {
       }
       
     }
+    static BarRequest() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+    }
   }
   
   public sealed partial class BarResponse : pb::GeneratedMessage<BarResponse, BarResponse.Builder> {
@@ -14174,6 +14358,9 @@ namespace Google.ProtocolBuffers.TestProtos {
       }
       
     }
+    static BarResponse() {
+      pbd::FileDescriptor descriptor = global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.Descriptor;
+    }
   }
   
   #endregion