Remove RPC support.
It is expected that third parties will generate service/RPC code themselves - see gRPC as an example.
diff --git a/csharp/protos/extest/unittest_generic_services.proto b/csharp/protos/extest/unittest_generic_services.proto
deleted file mode 100644
index 4e68ff0..0000000
--- a/csharp/protos/extest/unittest_generic_services.proto
+++ /dev/null
@@ -1,30 +0,0 @@
-syntax = "proto2";

-

-// Additional options required for C# generation. File from copyright

-// line onwards is as per original distribution.

-import "google/protobuf/unittest.proto";

-import "google/protobuf/unittest_custom_options.proto";

-

-option csharp_namespace = "Google.ProtocolBuffers.TestProtos";

-

-// option (google.protobuf.csharp_file_options).service_generator_type = GENERIC;

-

-// We don't put this in a package within proto2 because we need to make sure

-// that the generated code doesn't depend on being in the proto2 namespace.

-package protobuf_unittest;

-

-option optimize_for = SPEED;

-

-service TestGenericService {

-  rpc Foo(FooRequest) returns (FooResponse);

-  rpc Bar(BarRequest) returns (BarResponse);

-}

-

-service TestGenericServiceWithCustomOptions {

-  option (service_opt1) = -9876543210;

-

-  rpc Foo(CustomOptionFooRequest) returns (CustomOptionFooResponse) {

-    option (method_opt1) = METHODOPT1_VAL2;

-  }

-}

-

diff --git a/csharp/protos/extest/unittest_rpc_interop.proto b/csharp/protos/extest/unittest_rpc_interop.proto
deleted file mode 100644
index dec5b87..0000000
--- a/csharp/protos/extest/unittest_rpc_interop.proto
+++ /dev/null
@@ -1,41 +0,0 @@
-// Additional options required for C# generation. File from copyright

-// line onwards is as per original distribution.

-import "google/protobuf/csharp_options.proto";

-option (google.protobuf.csharp_file_options).namespace = "Google.ProtocolBuffers.TestProtos";

-option (google.protobuf.csharp_file_options).umbrella_classname = "UnitTestRpcInterop";

-

-option (google.protobuf.csharp_file_options).service_generator_type = IRPCDISPATCH;

-

-option optimize_for = SPEED;

-

-message SearchRequest {

-  repeated string Criteria = 1;

-}

-

-message SearchResponse {

-  message ResultItem {

-    required string url = 1;

-    optional string name = 2;

-  }

-  

-  repeated ResultItem results = 1;

-}

-

-message RefineSearchRequest {

-  repeated string Criteria = 1;

-  required SearchResponse previous_results = 2;

-}

-

-service SearchService {

-  /*

-  Add this option to specify the GuidAttribute on the service interface

-  option (google.protobuf.csharp_service_options).interface_id = "{A65F0925-FD11-4f94-B166-89AC4F027205}";

-  */

-  rpc Search (SearchRequest) returns (SearchResponse) 

-  /*

-  Add this option to specify the DispIdAttribute on the service interface

-  { option (google.protobuf.csharp_method_options).dispatch_id = 5; } 

-  */ ;

-  

-  rpc RefineSearch (RefineSearchRequest) returns (SearchResponse);

-}

diff --git a/csharp/protos/extest/unittest_rpc_interop_lite.proto b/csharp/protos/extest/unittest_rpc_interop_lite.proto
deleted file mode 100644
index 62d1c6a..0000000
--- a/csharp/protos/extest/unittest_rpc_interop_lite.proto
+++ /dev/null
@@ -1,42 +0,0 @@
-// Additional options required for C# generation. File from copyright

-// line onwards is as per original distribution.

-import "google/protobuf/csharp_options.proto";

-option (google.protobuf.csharp_file_options).namespace = "Google.ProtocolBuffers.TestProtos";

-option (google.protobuf.csharp_file_options).umbrella_classname = "UnitTestRpcInteropLite";

-

-option (google.protobuf.csharp_file_options).service_generator_type = IRPCDISPATCH;

-

-option optimize_for = LITE_RUNTIME;

-package unittest_rpc_interop_lite;

-

-message SearchRequest {

-  repeated string Criteria = 1;

-}

-

-message SearchResponse {

-  message ResultItem {

-    required string url = 1;

-    optional string name = 2;

-  }

-  

-  repeated ResultItem results = 1;

-}

-

-message RefineSearchRequest {

-  repeated string Criteria = 1;

-  required SearchResponse previous_results = 2;

-}

-

-service SearchService {

-  /*

-  Add this option to specify the GuidAttribute on the service interface

-  option (google.protobuf.csharp_service_options).interface_id = "{A65F0925-FD11-4f94-B166-89AC4F027205}";

-  */

-  rpc Search (SearchRequest) returns (SearchResponse) 

-  /*

-  Add this option to specify the DispIdAttribute on the service interface

-  { option (google.protobuf.csharp_method_options).dispatch_id = 5; } 

-  */ ;

-  

-  rpc RefineSearch (RefineSearchRequest) returns (SearchResponse);

-}

diff --git a/csharp/src/ProtocolBuffers.Serialization/Extensions.cs b/csharp/src/ProtocolBuffers.Serialization/Extensions.cs
index 8aef0a9..63ac98d 100644
--- a/csharp/src/ProtocolBuffers.Serialization/Extensions.cs
+++ b/csharp/src/ProtocolBuffers.Serialization/Extensions.cs
@@ -181,33 +181,5 @@
         }

 

         #endregion

-        #region IRpcServerStub Extensions

-

-        /// <summary>

-        /// Used to implement a service endpoint on an HTTP server.  This works with services generated with the

-        /// service_generator_type option set to IRPCDISPATCH.

-        /// </summary>

-        /// <param name="stub">The service execution stub</param>

-        /// <param name="methodName">The name of the method being invoked</param>

-        /// <param name="options">optional arguments for the format reader/writer</param>

-        /// <param name="contentType">The mime type for the input stream</param>

-        /// <param name="input">The input stream</param>

-        /// <param name="responseType">The mime type for the output stream</param>

-        /// <param name="output">The output stream</param>

-        public static void HttpCallMethod(

-#if !NOEXTENSIONS

-            this

-#endif

-            IRpcServerStub stub, string methodName, MessageFormatOptions options,

-            string contentType, Stream input, string responseType, Stream output)

-        {

-            ICodedInputStream codedInput = MessageFormatFactory.CreateInputStream(options, contentType, input);

-            codedInput.ReadMessageStart();

-            IMessageLite response = stub.CallMethod(methodName, codedInput, options.ExtensionRegistry);

-            codedInput.ReadMessageEnd();

-            WriteTo(response, options, responseType, output);

-        }

-

-        #endregion

     }

 }

diff --git a/csharp/src/ProtocolBuffers/IRpcChannel.cs b/csharp/src/ProtocolBuffers/IRpcChannel.cs
deleted file mode 100644
index 4ca24ea..0000000
--- a/csharp/src/ProtocolBuffers/IRpcChannel.cs
+++ /dev/null
@@ -1,63 +0,0 @@
-#region Copyright notice and license

-

-// Protocol Buffers - Google's data interchange format

-// Copyright 2008 Google Inc.  All rights reserved.

-// http://github.com/jskeet/dotnet-protobufs/

-// Original C++/Java/Python code:

-// http://code.google.com/p/protobuf/

-//

-// Redistribution and use in source and binary forms, with or without

-// modification, are permitted provided that the following conditions are

-// met:

-//

-//     * Redistributions of source code must retain the above copyright

-// notice, this list of conditions and the following disclaimer.

-//     * Redistributions in binary form must reproduce the above

-// copyright notice, this list of conditions and the following disclaimer

-// in the documentation and/or other materials provided with the

-// distribution.

-//     * Neither the name of Google Inc. nor the names of its

-// contributors may be used to endorse or promote products derived from

-// this software without specific prior written permission.

-//

-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

-

-#endregion

-

-using System;

-using Google.ProtocolBuffers.Descriptors;

-

-namespace Google.ProtocolBuffers

-{

-    /// <summary>

-    /// Interface for an RPC channel. A channel represents a communication line to

-    /// a service (IService implementation) which can be used to call that service's

-    /// methods. The service may be running on another machine. Normally, you should

-    /// not call an IRpcChannel directly, but instead construct a stub wrapping it.

-    /// Generated service classes contain a CreateStub method for precisely this purpose.

-    /// </summary>

-    public interface IRpcChannel

-    {

-        /// <summary>

-        /// Calls the given method of the remote service. This method is similar

-        /// to <see cref="IService.CallMethod" /> with one important difference: the

-        /// caller decides the types of the IMessage objects, not the implementation.

-        /// The request may be of any type as long as <c>request.Descriptor == method.InputType</c>.

-        /// The response passed to the callback will be of the same type as

-        /// <paramref name="responsePrototype"/> (which must be such that

-        /// <c>responsePrototype.Descriptor == method.OutputType</c>).

-        /// </summary>

-        void CallMethod(MethodDescriptor method, IRpcController controller,

-                        IMessage request, IMessage responsePrototype, Action<IMessage> done);

-    }

-}
\ No newline at end of file
diff --git a/csharp/src/ProtocolBuffers/IRpcController.cs b/csharp/src/ProtocolBuffers/IRpcController.cs
deleted file mode 100644
index b155bec..0000000
--- a/csharp/src/ProtocolBuffers/IRpcController.cs
+++ /dev/null
@@ -1,125 +0,0 @@
-#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>

-    /// Mediates a single method call. The primary purpose of the controller

-    /// is to provide a way to manipulate settings specific to the

-    /// RPC implementation and to find out about RPC-level errors.

-    /// 

-    /// The methods provided by this interface are intended to be a "least

-    /// common denominator" set of features which we expect all implementations to

-    /// support. Specific implementations may provide more advanced features,

-    /// (e.g. deadline propagation).

-    /// </summary>

-    public interface IRpcController

-    {

-        #region Client side calls

-

-        // These calls may be made from the client side only.  Their results

-        // are undefined on the server side (may throw exceptions).

-

-        /// <summary>

-        /// Resets the controller to its initial state so that it may be reused in

-        /// a new call.  This can be called from the client side only.  It must not

-        /// be called while an RPC is in progress.

-        /// </summary>

-        void Reset();

-

-        /// <summary>

-        /// After a call has finished, returns true if the call failed.  The possible

-        /// reasons for failure depend on the RPC implementation. Failed must

-        /// only be called on the client side, and must not be called before a call has

-        /// finished.

-        /// </summary>

-        bool Failed { get; }

-

-        /// <summary>

-        /// If Failed is true, ErrorText returns a human-readable description of the error.

-        /// </summary>

-        string ErrorText { get; }

-

-        /// <summary>

-        /// Advises the RPC system that the caller desires that the RPC call be

-        /// canceled. The RPC system may cancel it immediately, may wait awhile and

-        /// then cancel it, or may not even cancel the call at all. If the call is

-        /// canceled, the "done" callback will still be called and the RpcController

-        /// will indicate that the call failed at that time.

-        /// </summary>

-        void StartCancel();

-

-        #endregion

-

-        #region Server side calls

-

-        // These calls may be made from the server side only.  Their results

-        // are undefined on the client side (may throw exceptions).

-

-        /// <summary>

-        /// Causes Failed to return true on the client side. <paramref name="reason"/>

-        /// will be incorporated into the message returned by ErrorText.

-        /// If you find you need to return machine-readable information about

-        /// failures, you should incorporate it into your response protocol buffer

-        /// and should *not* call SetFailed.

-        /// </summary>

-        void SetFailed(string reason);

-

-        /// <summary>

-        /// If true, indicates that the client canceled the RPC, so the server may as

-        /// well give up on replying to it. This method must be called on the server

-        /// side only. The server should still call the final "done" callback.

-        /// </summary>

-        bool IsCanceled();

-

-        /// <summary>

-        /// Requests that the given callback be called when the RPC is canceled.

-        /// The parameter passed to the callback will always be null. The callback will

-        /// be called exactly once. If the RPC completes without being canceled, the

-        /// callback will be called after completion. If the RPC has already been canceled

-        /// when NotifyOnCancel is called, the callback will be called immediately.

-        /// 

-        /// NotifyOnCancel must be called no more than once per request. It must be

-        /// called on the server side only.

-        /// </summary>

-        /// <param name="callback"></param>

-        void NotifyOnCancel(Action<object> callback);

-

-        #endregion

-    }

-}
\ No newline at end of file
diff --git a/csharp/src/ProtocolBuffers/IRpcDispatch.cs b/csharp/src/ProtocolBuffers/IRpcDispatch.cs
deleted file mode 100644
index 524838e..0000000
--- a/csharp/src/ProtocolBuffers/IRpcDispatch.cs
+++ /dev/null
@@ -1,78 +0,0 @@
-#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
diff --git a/csharp/src/ProtocolBuffers/IService.cs b/csharp/src/ProtocolBuffers/IService.cs
deleted file mode 100644
index 61af35c..0000000
--- a/csharp/src/ProtocolBuffers/IService.cs
+++ /dev/null
@@ -1,102 +0,0 @@
-#region Copyright notice and license

-

-// Protocol Buffers - Google's data interchange format

-// Copyright 2008 Google Inc.  All rights reserved.

-// http://github.com/jskeet/dotnet-protobufs/

-// Original C++/Java/Python code:

-// http://code.google.com/p/protobuf/

-//

-// Redistribution and use in source and binary forms, with or without

-// modification, are permitted provided that the following conditions are

-// met:

-//

-//     * Redistributions of source code must retain the above copyright

-// notice, this list of conditions and the following disclaimer.

-//     * Redistributions in binary form must reproduce the above

-// copyright notice, this list of conditions and the following disclaimer

-// in the documentation and/or other materials provided with the

-// distribution.

-//     * Neither the name of Google Inc. nor the names of its

-// contributors may be used to endorse or promote products derived from

-// this software without specific prior written permission.

-//

-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

-

-#endregion

-

-using System;

-using Google.ProtocolBuffers.Descriptors;

-

-namespace Google.ProtocolBuffers

-{

-    /// <summary>

-    /// Base interface for protocol-buffer-based RPC services. Services themselves

-    /// are abstract classes (implemented either by servers or as stubs) but they

-    /// implement this itnerface. The methods of this interface can be used to call

-    /// the methods of the service without knowing its exact type at compile time

-    /// (analagous to the IMessage interface).

-    /// </summary>

-    public interface IService

-    {

-        /// <summary>

-        /// The ServiceDescriptor describing this service and its methods.

-        /// </summary>

-        ServiceDescriptor DescriptorForType { get; }

-

-        /// <summary>

-        /// Call a method of the service specified by MethodDescriptor.  This is

-        /// normally implemented as a simple switch that calls the standard

-        /// definitions of the service's methods.

-        /// <para>

-        /// Preconditions

-        /// <list>

-        /// <item><c>method.Service == DescriptorForType</c></item>

-        /// <item>request is of the exact same class as the object returned by GetRequestPrototype(method)</item>

-        /// <item>controller is of the correct type for the RPC implementation being used by this service.

-        /// For stubs, the "correct type" depends on the IRpcChannel which the stub is using. Server-side

-        /// implementations are expected to accept whatever type of IRpcController the server-side RPC implementation

-        /// uses.</item>

-        /// </list>

-        /// </para>

-        /// <para>

-        /// Postconditions

-        /// <list>

-        /// <item><paramref name="done" /> will be called when the method is complete.

-        /// This may before CallMethod returns or it may be at some point in the future.</item>

-        /// <item>The parameter to <paramref name="done"/> is the response. It will be of the

-        /// exact same type as would be returned by <see cref="GetResponsePrototype"/>.</item>

-        /// <item>If the RPC failed, the parameter to <paramref name="done"/> will be null.

-        /// Further details about the failure can be found by querying <paramref name="controller"/>.</item>

-        /// </list>

-        /// </para>

-        /// </summary>

-        void CallMethod(MethodDescriptor method, IRpcController controller,

-                        IMessage request, Action<IMessage> done);

-

-        /// <summary>

-        /// CallMethod requires that the request passed in is of a particular implementation

-        /// of IMessage. This method gets the default instance of this type of a given method.

-        /// You can then call WeakCreateBuilderForType to create a builder to build an object which

-        /// you can then pass to CallMethod.

-        /// </summary>

-        IMessage GetRequestPrototype(MethodDescriptor method);

-

-        /// <summary>

-        /// Like GetRequestPrototype, but returns a prototype of the response message.

-        /// This is generally not needed because the IService implementation contructs

-        /// the response message itself, but it may be useful in some cases to know ahead

-        /// of time what type of object will be returned.

-        /// </summary>

-        IMessage GetResponsePrototype(MethodDescriptor method);

-    }

-}
\ No newline at end of file
diff --git a/csharp/src/ProtocolBuffers/ProtocolBuffers.csproj b/csharp/src/ProtocolBuffers/ProtocolBuffers.csproj
index 4bb38de..d9e50ec 100644
--- a/csharp/src/ProtocolBuffers/ProtocolBuffers.csproj
+++ b/csharp/src/ProtocolBuffers/ProtocolBuffers.csproj
@@ -123,16 +123,11 @@
     <Compile Include="IMessage.cs" />

     <Compile Include="IMessageLite.cs" />

     <Compile Include="InvalidProtocolBufferException.cs" />

-    <Compile Include="IRpcChannel.cs" />

-    <Compile Include="IRpcController.cs" />

-    <Compile Include="IRpcDispatch.cs" />

-    <Compile Include="IService.cs" />

     <Compile Include="MessageStreamIterator.cs" />

     <Compile Include="MessageStreamWriter.cs" />

     <Compile Include="MessageUtil.cs" />

     <Compile Include="NameHelpers.cs" />

     <Compile Include="Properties\AssemblyInfo.cs" />

-    <Compile Include="RpcUtil.cs" />

     <Compile Include="SortedList.cs" />

     <Compile Include="TextFormat.cs" />

     <Compile Include="TextGenerator.cs" />

diff --git a/csharp/src/ProtocolBuffers/ProtocolBuffersLite.csproj b/csharp/src/ProtocolBuffers/ProtocolBuffersLite.csproj
index 4037c2b..fa76514 100644
--- a/csharp/src/ProtocolBuffers/ProtocolBuffersLite.csproj
+++ b/csharp/src/ProtocolBuffers/ProtocolBuffersLite.csproj
@@ -75,7 +75,6 @@
     <Compile Include="GeneratedMessageLite.cs" />

     <Compile Include="ICodedInputStream.cs" />

     <Compile Include="ICodedOutputStream.cs" />

-    <Compile Include="IRpcDispatch.cs" />

     <Compile Include="Properties\AssemblyInfo.cs" />

     <Compile Include="ByteString.cs" />

     <Compile Include="CodedInputStream.cs" />

diff --git a/csharp/src/ProtocolBuffers/RpcUtil.cs b/csharp/src/ProtocolBuffers/RpcUtil.cs
deleted file mode 100644
index 4659d86..0000000
--- a/csharp/src/ProtocolBuffers/RpcUtil.cs
+++ /dev/null
@@ -1,79 +0,0 @@
-#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>

-    /// Grab-bag of utility functions useful when dealing with RPCs.

-    /// </summary>

-    public static class RpcUtil

-    {

-        /// <summary>

-        /// Converts an Action[IMessage] to an Action[T].

-        /// </summary>

-        public static Action<T> SpecializeCallback<T>(Action<IMessage> action)

-            where T : IMessage<T>

-        {

-            return message => action(message);

-        }

-

-        /// <summary>

-        /// Converts an Action[T] to an Action[IMessage].

-        /// The generalized action will accept any message object which has

-        /// the same descriptor, and will convert it to the correct class

-        /// before calling the original action. However, if the generalized

-        /// callback is given a message with a different descriptor, an

-        /// exception will be thrown.

-        /// </summary>

-        public static Action<IMessage> GeneralizeCallback<TMessage, TBuilder>(Action<TMessage> action,

-                                                                              TMessage defaultInstance)

-            where TMessage : class, IMessage<TMessage, TBuilder>

-            where TBuilder : IBuilder<TMessage, TBuilder>

-        {

-            return message =>

-                       {

-                           TMessage castMessage = message as TMessage;

-                           if (castMessage == null)

-                           {

-                               castMessage = defaultInstance.CreateBuilderForType().MergeFrom(message).Build();

-                           }

-                           action(castMessage);

-                       };

-        }

-    }

-}
\ No newline at end of file