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diff --git a/csharp/src/ProtocolBuffers/IRpcDispatch.cs b/csharp/src/ProtocolBuffers/IRpcDispatch.cs
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+++ b/csharp/src/ProtocolBuffers/IRpcDispatch.cs
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+#region Copyright notice and license
+
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://github.com/jskeet/dotnet-protobufs/
+// Original C++/Java/Python code:
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+
+namespace Google.ProtocolBuffers
+{
+    /// <summary>
+    /// Provides an entry-point for transport listeners to call a specified method on a service
+    /// </summary>
+    public interface IRpcServerStub : IDisposable
+    {
+        /// <summary>
+        /// Calls the method identified by methodName and returns the message
+        /// </summary>
+        /// <param name="methodName">The method name on the service descriptor (case-sensitive)</param>
+        /// <param name="input">The ICodedInputStream to deserialize the call parameter from</param>
+        /// <param name="registry">The extension registry to use when deserializing the call parameter</param>
+        /// <returns>The message that was returned from the service's method</returns>
+        IMessageLite CallMethod(string methodName, ICodedInputStream input, ExtensionRegistry registry);
+    }
+
+    /// <summary>
+    /// Used to forward an invocation of a service method to a transport sender implementation
+    /// </summary>
+    public interface IRpcDispatch
+    {
+        /// <summary>
+        /// Calls the service member on the endpoint connected.  This is generally done by serializing
+        /// the message, sending the bytes over a transport, and then deserializing the call parameter
+        /// to invoke the service's actual implementation via IRpcServerStub.  Once the call has
+        /// completed the result message is serialized and returned to the originating endpoint.
+        /// </summary>
+        /// <typeparam name="TMessage">The type of the response message</typeparam>
+        /// <typeparam name="TBuilder">The type of of the response builder</typeparam>
+        /// <param name="method">The name of the method on the service</param>
+        /// <param name="request">The message instance provided to the service call</param>
+        /// <param name="response">The builder used to deserialize the response</param>
+        /// <returns>The resulting message of the service call</returns>
+        TMessage CallMethod<TMessage, TBuilder>(string method, IMessageLite request,
+                                                IBuilderLite<TMessage, TBuilder> response)
+            where TMessage : IMessageLite<TMessage, TBuilder>
+            where TBuilder : IBuilderLite<TMessage, TBuilder>;
+    }
+}
+\ No newline at end of file