First part of implementing wrapper types. Not ready yet!

4 files changed, 2424 insertions, 1 deletions

diff --git a/csharp/generate_protos.sh b/csharp/generate_protos.sh
index b7f837e1..7978166d 100755
--- a/csharp/generate_protos.sh
+++ b/csharp/generate_protos.sh
@@ -58,7 +58,8 @@ $PROTOC -Isrc --csharp_out=csharp/src/ProtocolBuffers.Test/TestProtos \
     src/google/protobuf/map_unittest_proto3.proto \
     src/google/protobuf/unittest_proto3.proto \
     src/google/protobuf/unittest_import_proto3.proto \
-    src/google/protobuf/unittest_import_public_proto3.proto
+    src/google/protobuf/unittest_import_public_proto3.proto \
+    src/google/protobuf/unittest_well_known_types.proto
 
 
 $PROTOC -Icsharp/protos/extest --csharp_out=csharp/src/ProtocolBuffers.Test/TestProtos \
diff --git a/csharp/src/ProtocolBuffers.Test/ProtocolBuffers.Test.csproj b/csharp/src/ProtocolBuffers.Test/ProtocolBuffers.Test.csproj
index 45c75bae..a425ad84 100644
--- a/csharp/src/ProtocolBuffers.Test/ProtocolBuffers.Test.csproj
+++ b/csharp/src/ProtocolBuffers.Test/ProtocolBuffers.Test.csproj
@@ -93,6 +93,8 @@
     <Compile Include="IssuesTest.cs" />

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

     <Compile Include="TestCornerCases.cs" />

+    <Compile Include="TestProtos\UnittestWellKnownTypes.cs" />

+    <Compile Include="WellKnownTypes\WrappersTest.cs" />

   </ItemGroup>

   <ItemGroup>

     <ProjectReference Include="..\ProtocolBuffers\ProtocolBuffers.csproj">

diff --git a/csharp/src/ProtocolBuffers.Test/TestProtos/UnittestWellKnownTypes.cs b/csharp/src/ProtocolBuffers.Test/TestProtos/UnittestWellKnownTypes.cs
new file mode 100644
index 00000000..a995b2c6
--- /dev/null
+++ b/csharp/src/ProtocolBuffers.Test/TestProtos/UnittestWellKnownTypes.cs
@@ -0,0 +1,2335 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/protobuf/unittest_well_known_types.proto
+#pragma warning disable 1591, 0612, 3021
+#region Designer generated code
+
+using pb = global::Google.Protobuf;
+using pbc = global::Google.Protobuf.Collections;
+using pbr = global::Google.Protobuf.Reflection;
+using scg = global::System.Collections.Generic;
+namespace Google.Protobuf.TestProtos {
+
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public static partial class UnittestWellKnownTypes {
+
+    #region Static variables
+    internal static pbr::FieldAccessorTable internal__static_protobuf_unittest_TestWellKnownTypes__FieldAccessorTable;
+    internal static pbr::FieldAccessorTable internal__static_protobuf_unittest_RepeatedWellKnownTypes__FieldAccessorTable;
+    internal static pbr::FieldAccessorTable internal__static_protobuf_unittest_OneofWellKnownTypes__FieldAccessorTable;
+    internal static pbr::FieldAccessorTable internal__static_protobuf_unittest_MapWellKnownTypes__FieldAccessorTable;
+    #endregion
+    #region Descriptor
+    public static pbr::FileDescriptor Descriptor {
+      get { return descriptor; }
+    }
+    private static pbr::FileDescriptor descriptor;
+
+    static UnittestWellKnownTypes() {
+      byte[] descriptorData = global::System.Convert.FromBase64String(
+          string.Concat(
+            "Ci9nb29nbGUvcHJvdG9idWYvdW5pdHRlc3Rfd2VsbF9rbm93bl90eXBlcy5w", 
+            "cm90bxIRcHJvdG9idWZfdW5pdHRlc3QaGWdvb2dsZS9wcm90b2J1Zi9hbnku", 
+            "cHJvdG8aGWdvb2dsZS9wcm90b2J1Zi9hcGkucHJvdG8aHmdvb2dsZS9wcm90", 
+            "b2J1Zi9kdXJhdGlvbi5wcm90bxobZ29vZ2xlL3Byb3RvYnVmL2VtcHR5LnBy", 
+            "b3RvGiBnb29nbGUvcHJvdG9idWYvZmllbGRfbWFzay5wcm90bxokZ29vZ2xl", 
+            "L3Byb3RvYnVmL3NvdXJjZV9jb250ZXh0LnByb3RvGhxnb29nbGUvcHJvdG9i", 
+            "dWYvc3RydWN0LnByb3RvGh9nb29nbGUvcHJvdG9idWYvdGltZXN0YW1wLnBy", 
+            "b3RvGhpnb29nbGUvcHJvdG9idWYvdHlwZS5wcm90bxoeZ29vZ2xlL3Byb3Rv", 
+            "YnVmL3dyYXBwZXJzLnByb3RvIpEHChJUZXN0V2VsbEtub3duVHlwZXMSJwoJ", 
+            "YW55X2ZpZWxkGAEgASgLMhQuZ29vZ2xlLnByb3RvYnVmLkFueRInCglhcGlf", 
+            "ZmllbGQYAiABKAsyFC5nb29nbGUucHJvdG9idWYuQXBpEjEKDmR1cmF0aW9u", 
+            "X2ZpZWxkGAMgASgLMhkuZ29vZ2xlLnByb3RvYnVmLkR1cmF0aW9uEisKC2Vt", 
+            "cHR5X2ZpZWxkGAQgASgLMhYuZ29vZ2xlLnByb3RvYnVmLkVtcHR5EjQKEGZp", 
+            "ZWxkX21hc2tfZmllbGQYBSABKAsyGi5nb29nbGUucHJvdG9idWYuRmllbGRN", 
+            "YXNrEjwKFHNvdXJjZV9jb250ZXh0X2ZpZWxkGAYgASgLMh4uZ29vZ2xlLnBy", 
+            "b3RvYnVmLlNvdXJjZUNvbnRleHQSLQoMc3RydWN0X2ZpZWxkGAcgASgLMhcu", 
+            "Z29vZ2xlLnByb3RvYnVmLlN0cnVjdBIzCg90aW1lc3RhbXBfZmllbGQYCCAB", 
+            "KAsyGi5nb29nbGUucHJvdG9idWYuVGltZXN0YW1wEikKCnR5cGVfZmllbGQY", 
+            "CSABKAsyFS5nb29nbGUucHJvdG9idWYuVHlwZRIyCgxkb3VibGVfZmllbGQY", 
+            "CiABKAsyHC5nb29nbGUucHJvdG9idWYuRG91YmxlVmFsdWUSMAoLZmxvYXRf", 
+            "ZmllbGQYCyABKAsyGy5nb29nbGUucHJvdG9idWYuRmxvYXRWYWx1ZRIwCgtp", 
+            "bnQ2NF9maWVsZBgMIAEoCzIbLmdvb2dsZS5wcm90b2J1Zi5JbnQ2NFZhbHVl", 
+            "EjIKDHVpbnQ2NF9maWVsZBgNIAEoCzIcLmdvb2dsZS5wcm90b2J1Zi5VSW50", 
+            "NjRWYWx1ZRIwCgtpbnQzMl9maWVsZBgOIAEoCzIbLmdvb2dsZS5wcm90b2J1", 
+            "Zi5JbnQzMlZhbHVlEjIKDHVpbnQzMl9maWVsZBgPIAEoCzIcLmdvb2dsZS5w", 
+            "cm90b2J1Zi5VSW50MzJWYWx1ZRIuCgpib29sX2ZpZWxkGBAgASgLMhouZ29v", 
+            "Z2xlLnByb3RvYnVmLkJvb2xWYWx1ZRIyCgxzdHJpbmdfZmllbGQYESABKAsy", 
+            "HC5nb29nbGUucHJvdG9idWYuU3RyaW5nVmFsdWUSMAoLYnl0ZXNfZmllbGQY", 
+            "EiABKAsyGy5nb29nbGUucHJvdG9idWYuQnl0ZXNWYWx1ZSLNAwoWUmVwZWF0", 
+            "ZWRXZWxsS25vd25UeXBlcxInCglhbnlfZmllbGQYASADKAsyFC5nb29nbGUu", 
+            "cHJvdG9idWYuQW55EicKCWFwaV9maWVsZBgCIAMoCzIULmdvb2dsZS5wcm90", 
+            "b2J1Zi5BcGkSMQoOZHVyYXRpb25fZmllbGQYAyADKAsyGS5nb29nbGUucHJv", 
+            "dG9idWYuRHVyYXRpb24SKwoLZW1wdHlfZmllbGQYBCADKAsyFi5nb29nbGUu", 
+            "cHJvdG9idWYuRW1wdHkSNAoQZmllbGRfbWFza19maWVsZBgFIAMoCzIaLmdv", 
+            "b2dsZS5wcm90b2J1Zi5GaWVsZE1hc2sSPAoUc291cmNlX2NvbnRleHRfZmll", 
+            "bGQYBiADKAsyHi5nb29nbGUucHJvdG9idWYuU291cmNlQ29udGV4dBItCgxz", 
+            "dHJ1Y3RfZmllbGQYByADKAsyFy5nb29nbGUucHJvdG9idWYuU3RydWN0EjMK", 
+            "D3RpbWVzdGFtcF9maWVsZBgIIAMoCzIaLmdvb2dsZS5wcm90b2J1Zi5UaW1l", 
+            "c3RhbXASKQoKdHlwZV9maWVsZBgJIAMoCzIVLmdvb2dsZS5wcm90b2J1Zi5U", 
+            "eXBlIsUHChNPbmVvZldlbGxLbm93blR5cGVzEikKCWFueV9maWVsZBgBIAEo", 
+            "CzIULmdvb2dsZS5wcm90b2J1Zi5BbnlIABIpCglhcGlfZmllbGQYAiABKAsy", 
+            "FC5nb29nbGUucHJvdG9idWYuQXBpSAASMwoOZHVyYXRpb25fZmllbGQYAyAB", 
+            "KAsyGS5nb29nbGUucHJvdG9idWYuRHVyYXRpb25IABItCgtlbXB0eV9maWVs", 
+            "ZBgEIAEoCzIWLmdvb2dsZS5wcm90b2J1Zi5FbXB0eUgAEjYKEGZpZWxkX21h", 
+            "c2tfZmllbGQYBSABKAsyGi5nb29nbGUucHJvdG9idWYuRmllbGRNYXNrSAAS", 
+            "PgoUc291cmNlX2NvbnRleHRfZmllbGQYBiABKAsyHi5nb29nbGUucHJvdG9i", 
+            "dWYuU291cmNlQ29udGV4dEgAEi8KDHN0cnVjdF9maWVsZBgHIAEoCzIXLmdv", 
+            "b2dsZS5wcm90b2J1Zi5TdHJ1Y3RIABI1Cg90aW1lc3RhbXBfZmllbGQYCCAB", 
+            "KAsyGi5nb29nbGUucHJvdG9idWYuVGltZXN0YW1wSAASKwoKdHlwZV9maWVs", 
+            "ZBgJIAEoCzIVLmdvb2dsZS5wcm90b2J1Zi5UeXBlSAASNAoMZG91YmxlX2Zp", 
+            "ZWxkGAogASgLMhwuZ29vZ2xlLnByb3RvYnVmLkRvdWJsZVZhbHVlSAASMgoL", 
+            "ZmxvYXRfZmllbGQYCyABKAsyGy5nb29nbGUucHJvdG9idWYuRmxvYXRWYWx1", 
+            "ZUgAEjIKC2ludDY0X2ZpZWxkGAwgASgLMhsuZ29vZ2xlLnByb3RvYnVmLklu", 
+            "dDY0VmFsdWVIABI0Cgx1aW50NjRfZmllbGQYDSABKAsyHC5nb29nbGUucHJv", 
+            "dG9idWYuVUludDY0VmFsdWVIABIyCgtpbnQzMl9maWVsZBgOIAEoCzIbLmdv", 
+            "b2dsZS5wcm90b2J1Zi5JbnQzMlZhbHVlSAASNAoMdWludDMyX2ZpZWxkGA8g", 
+            "ASgLMhwuZ29vZ2xlLnByb3RvYnVmLlVJbnQzMlZhbHVlSAASMAoKYm9vbF9m", 
+            "aWVsZBgQIAEoCzIaLmdvb2dsZS5wcm90b2J1Zi5Cb29sVmFsdWVIABI0Cgxz", 
+            "dHJpbmdfZmllbGQYESABKAsyHC5nb29nbGUucHJvdG9idWYuU3RyaW5nVmFs", 
+            "dWVIABIyCgtieXRlc19maWVsZBgSIAEoCzIbLmdvb2dsZS5wcm90b2J1Zi5C", 
+            "eXRlc1ZhbHVlSABCDQoLb25lb2ZfZmllbGQilhYKEU1hcFdlbGxLbm93blR5", 
+            "cGVzEkUKCWFueV9maWVsZBgBIAMoCzIyLnByb3RvYnVmX3VuaXR0ZXN0Lk1h", 
+            "cFdlbGxLbm93blR5cGVzLkFueUZpZWxkRW50cnkSRQoJYXBpX2ZpZWxkGAIg", 
+            "AygLMjIucHJvdG9idWZfdW5pdHRlc3QuTWFwV2VsbEtub3duVHlwZXMuQXBp", 
+            "RmllbGRFbnRyeRJPCg5kdXJhdGlvbl9maWVsZBgDIAMoCzI3LnByb3RvYnVm", 
+            "X3VuaXR0ZXN0Lk1hcFdlbGxLbm93blR5cGVzLkR1cmF0aW9uRmllbGRFbnRy", 
+            "eRJJCgtlbXB0eV9maWVsZBgEIAMoCzI0LnByb3RvYnVmX3VuaXR0ZXN0Lk1h", 
+            "cFdlbGxLbm93blR5cGVzLkVtcHR5RmllbGRFbnRyeRJSChBmaWVsZF9tYXNr", 
+            "X2ZpZWxkGAUgAygLMjgucHJvdG9idWZfdW5pdHRlc3QuTWFwV2VsbEtub3du", 
+            "VHlwZXMuRmllbGRNYXNrRmllbGRFbnRyeRJaChRzb3VyY2VfY29udGV4dF9m", 
+            "aWVsZBgGIAMoCzI8LnByb3RvYnVmX3VuaXR0ZXN0Lk1hcFdlbGxLbm93blR5", 
+            "cGVzLlNvdXJjZUNvbnRleHRGaWVsZEVudHJ5EksKDHN0cnVjdF9maWVsZBgH", 
+            "IAMoCzI1LnByb3RvYnVmX3VuaXR0ZXN0Lk1hcFdlbGxLbm93blR5cGVzLlN0", 
+            "cnVjdEZpZWxkRW50cnkSUQoPdGltZXN0YW1wX2ZpZWxkGAggAygLMjgucHJv", 
+            "dG9idWZfdW5pdHRlc3QuTWFwV2VsbEtub3duVHlwZXMuVGltZXN0YW1wRmll", 
+            "bGRFbnRyeRJHCgp0eXBlX2ZpZWxkGAkgAygLMjMucHJvdG9idWZfdW5pdHRl", 
+            "c3QuTWFwV2VsbEtub3duVHlwZXMuVHlwZUZpZWxkRW50cnkSSwoMZG91Ymxl", 
+            "X2ZpZWxkGAogAygLMjUucHJvdG9idWZfdW5pdHRlc3QuTWFwV2VsbEtub3du", 
+            "VHlwZXMuRG91YmxlRmllbGRFbnRyeRJJCgtmbG9hdF9maWVsZBgLIAMoCzI0", 
+            "LnByb3RvYnVmX3VuaXR0ZXN0Lk1hcFdlbGxLbm93blR5cGVzLkZsb2F0Rmll", 
+            "bGRFbnRyeRJJCgtpbnQ2NF9maWVsZBgMIAMoCzI0LnByb3RvYnVmX3VuaXR0", 
+            "ZXN0Lk1hcFdlbGxLbm93blR5cGVzLkludDY0RmllbGRFbnRyeRJLCgx1aW50", 
+            "NjRfZmllbGQYDSADKAsyNS5wcm90b2J1Zl91bml0dGVzdC5NYXBXZWxsS25v", 
+            "d25UeXBlcy5VaW50NjRGaWVsZEVudHJ5EkkKC2ludDMyX2ZpZWxkGA4gAygL", 
+            "MjQucHJvdG9idWZfdW5pdHRlc3QuTWFwV2VsbEtub3duVHlwZXMuSW50MzJG", 
+            "aWVsZEVudHJ5EksKDHVpbnQzMl9maWVsZBgPIAMoCzI1LnByb3RvYnVmX3Vu", 
+            "aXR0ZXN0Lk1hcFdlbGxLbm93blR5cGVzLlVpbnQzMkZpZWxkRW50cnkSRwoK", 
+            "Ym9vbF9maWVsZBgQIAMoCzIzLnByb3RvYnVmX3VuaXR0ZXN0Lk1hcFdlbGxL", 
+            "bm93blR5cGVzLkJvb2xGaWVsZEVudHJ5EksKDHN0cmluZ19maWVsZBgRIAMo", 
+            "CzI1LnByb3RvYnVmX3VuaXR0ZXN0Lk1hcFdlbGxLbm93blR5cGVzLlN0cmlu", 
+            "Z0ZpZWxkRW50cnkSSQoLYnl0ZXNfZmllbGQYEiADKAsyNC5wcm90b2J1Zl91", 
+            "bml0dGVzdC5NYXBXZWxsS25vd25UeXBlcy5CeXRlc0ZpZWxkRW50cnkaRQoN", 
+            "QW55RmllbGRFbnRyeRILCgNrZXkYASABKAUSIwoFdmFsdWUYAiABKAsyFC5n", 
+            "b29nbGUucHJvdG9idWYuQW55OgI4ARpFCg1BcGlGaWVsZEVudHJ5EgsKA2tl", 
+            "eRgBIAEoBRIjCgV2YWx1ZRgCIAEoCzIULmdvb2dsZS5wcm90b2J1Zi5BcGk6", 
+            "AjgBGk8KEkR1cmF0aW9uRmllbGRFbnRyeRILCgNrZXkYASABKAUSKAoFdmFs", 
+            "dWUYAiABKAsyGS5nb29nbGUucHJvdG9idWYuRHVyYXRpb246AjgBGkkKD0Vt", 
+            "cHR5RmllbGRFbnRyeRILCgNrZXkYASABKAUSJQoFdmFsdWUYAiABKAsyFi5n", 
+            "b29nbGUucHJvdG9idWYuRW1wdHk6AjgBGlEKE0ZpZWxkTWFza0ZpZWxkRW50", 
+            "cnkSCwoDa2V5GAEgASgFEikKBXZhbHVlGAIgASgLMhouZ29vZ2xlLnByb3Rv", 
+            "YnVmLkZpZWxkTWFzazoCOAEaWQoXU291cmNlQ29udGV4dEZpZWxkRW50cnkS", 
+            "CwoDa2V5GAEgASgFEi0KBXZhbHVlGAIgASgLMh4uZ29vZ2xlLnByb3RvYnVm", 
+            "LlNvdXJjZUNvbnRleHQ6AjgBGksKEFN0cnVjdEZpZWxkRW50cnkSCwoDa2V5", 
+            "GAEgASgFEiYKBXZhbHVlGAIgASgLMhcuZ29vZ2xlLnByb3RvYnVmLlN0cnVj", 
+            "dDoCOAEaUQoTVGltZXN0YW1wRmllbGRFbnRyeRILCgNrZXkYASABKAUSKQoF", 
+            "dmFsdWUYAiABKAsyGi5nb29nbGUucHJvdG9idWYuVGltZXN0YW1wOgI4ARpH", 
+            "Cg5UeXBlRmllbGRFbnRyeRILCgNrZXkYASABKAUSJAoFdmFsdWUYAiABKAsy", 
+            "FS5nb29nbGUucHJvdG9idWYuVHlwZToCOAEaUAoQRG91YmxlRmllbGRFbnRy", 
+            "eRILCgNrZXkYASABKAUSKwoFdmFsdWUYAiABKAsyHC5nb29nbGUucHJvdG9i", 
+            "dWYuRG91YmxlVmFsdWU6AjgBGk4KD0Zsb2F0RmllbGRFbnRyeRILCgNrZXkY", 
+            "ASABKAUSKgoFdmFsdWUYAiABKAsyGy5nb29nbGUucHJvdG9idWYuRmxvYXRW", 
+            "YWx1ZToCOAEaTgoPSW50NjRGaWVsZEVudHJ5EgsKA2tleRgBIAEoBRIqCgV2", 
+            "YWx1ZRgCIAEoCzIbLmdvb2dsZS5wcm90b2J1Zi5JbnQ2NFZhbHVlOgI4ARpQ", 
+            "ChBVaW50NjRGaWVsZEVudHJ5EgsKA2tleRgBIAEoBRIrCgV2YWx1ZRgCIAEo", 
+            "CzIcLmdvb2dsZS5wcm90b2J1Zi5VSW50NjRWYWx1ZToCOAEaTgoPSW50MzJG", 
+            "aWVsZEVudHJ5EgsKA2tleRgBIAEoBRIqCgV2YWx1ZRgCIAEoCzIbLmdvb2ds", 
+            "ZS5wcm90b2J1Zi5JbnQzMlZhbHVlOgI4ARpQChBVaW50MzJGaWVsZEVudHJ5", 
+            "EgsKA2tleRgBIAEoBRIrCgV2YWx1ZRgCIAEoCzIcLmdvb2dsZS5wcm90b2J1", 
+            "Zi5VSW50MzJWYWx1ZToCOAEaTAoOQm9vbEZpZWxkRW50cnkSCwoDa2V5GAEg", 
+            "ASgFEikKBXZhbHVlGAIgASgLMhouZ29vZ2xlLnByb3RvYnVmLkJvb2xWYWx1", 
+            "ZToCOAEaUAoQU3RyaW5nRmllbGRFbnRyeRILCgNrZXkYASABKAUSKwoFdmFs", 
+            "dWUYAiABKAsyHC5nb29nbGUucHJvdG9idWYuU3RyaW5nVmFsdWU6AjgBGk4K", 
+            "D0J5dGVzRmllbGRFbnRyeRILCgNrZXkYASABKAUSKgoFdmFsdWUYAiABKAsy", 
+            "Gy5nb29nbGUucHJvdG9idWYuQnl0ZXNWYWx1ZToCOAFCOQoYY29tLmdvb2ds", 
+            "ZS5wcm90b2J1Zi50ZXN0UAGqAhpHb29nbGUuUHJvdG9idWYuVGVzdFByb3Rv", 
+          "c2IGcHJvdG8z"));
+      descriptor = pbr::FileDescriptor.InternalBuildGeneratedFileFrom(descriptorData,
+          new pbr::FileDescriptor[] {
+          global::Google.Protobuf.WellKnownTypes.Proto.Any.Descriptor, 
+          global::Google.Protobuf.WellKnownTypes.Proto.Api.Descriptor, 
+          global::Google.Protobuf.WellKnownTypes.Proto.Duration.Descriptor, 
+          global::Google.Protobuf.WellKnownTypes.Proto.Empty.Descriptor, 
+          global::Google.Protobuf.WellKnownTypes.Proto.FieldMask.Descriptor, 
+          global::Google.Protobuf.WellKnownTypes.Proto.SourceContext.Descriptor, 
+          global::Google.Protobuf.WellKnownTypes.Proto.Struct.Descriptor, 
+          global::Google.Protobuf.WellKnownTypes.Proto.Timestamp.Descriptor, 
+          global::Google.Protobuf.WellKnownTypes.Proto.Type.Descriptor, 
+          global::Google.Protobuf.WellKnownTypes.Wrappers.Descriptor, 
+          });
+      internal__static_protobuf_unittest_TestWellKnownTypes__FieldAccessorTable = 
+          new pbr::FieldAccessorTable(typeof(global::Google.Protobuf.TestProtos.TestWellKnownTypes), descriptor.MessageTypes[0],
+              new string[] { "AnyField", "ApiField", "DurationField", "EmptyField", "FieldMaskField", "SourceContextField", "StructField", "TimestampField", "TypeField", "DoubleField", "FloatField", "Int64Field", "Uint64Field", "Int32Field", "Uint32Field", "BoolField", "StringField", "BytesField", }, new string[] { });
+      internal__static_protobuf_unittest_RepeatedWellKnownTypes__FieldAccessorTable = 
+          new pbr::FieldAccessorTable(typeof(global::Google.Protobuf.TestProtos.RepeatedWellKnownTypes), descriptor.MessageTypes[1],
+              new string[] { "AnyField", "ApiField", "DurationField", "EmptyField", "FieldMaskField", "SourceContextField", "StructField", "TimestampField", "TypeField", }, new string[] { });
+      internal__static_protobuf_unittest_OneofWellKnownTypes__FieldAccessorTable = 
+          new pbr::FieldAccessorTable(typeof(global::Google.Protobuf.TestProtos.OneofWellKnownTypes), descriptor.MessageTypes[2],
+              new string[] { "AnyField", "ApiField", "DurationField", "EmptyField", "FieldMaskField", "SourceContextField", "StructField", "TimestampField", "TypeField", "DoubleField", "FloatField", "Int64Field", "Uint64Field", "Int32Field", "Uint32Field", "BoolField", "StringField", "BytesField", }, new string[] { "OneofField", });
+      internal__static_protobuf_unittest_MapWellKnownTypes__FieldAccessorTable = 
+          new pbr::FieldAccessorTable(typeof(global::Google.Protobuf.TestProtos.MapWellKnownTypes), descriptor.MessageTypes[3],
+              new string[] { "AnyField", "ApiField", "DurationField", "EmptyField", "FieldMaskField", "SourceContextField", "StructField", "TimestampField", "TypeField", "DoubleField", "FloatField", "Int64Field", "Uint64Field", "Int32Field", "Uint32Field", "BoolField", "StringField", "BytesField", }, new string[] { });
+    }
+    #endregion
+
+  }
+  #region Messages
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public sealed partial class TestWellKnownTypes : pb::IMessage<TestWellKnownTypes> {
+    private static readonly pb::MessageParser<TestWellKnownTypes> _parser = new pb::MessageParser<TestWellKnownTypes>(() => new TestWellKnownTypes());
+    public static pb::MessageParser<TestWellKnownTypes> Parser { get { return _parser; } }
+
+    private static readonly string[] _fieldNames = new string[] { "any_field", "api_field", "bool_field", "bytes_field", "double_field", "duration_field", "empty_field", "field_mask_field", "float_field", "int32_field", "int64_field", "source_context_field", "string_field", "struct_field", "timestamp_field", "type_field", "uint32_field", "uint64_field" };
+    private static readonly uint[] _fieldTags = new uint[] { 10, 18, 130, 146, 82, 26, 34, 42, 90, 114, 98, 50, 138, 58, 66, 74, 122, 106 };
+    public static pbr::MessageDescriptor Descriptor {
+      get { return global::Google.Protobuf.TestProtos.UnittestWellKnownTypes.Descriptor.MessageTypes[0]; }
+    }
+
+    pbr::FieldAccessorTable pb::IReflectedMessage.Fields {
+      get { return global::Google.Protobuf.TestProtos.UnittestWellKnownTypes.internal__static_protobuf_unittest_TestWellKnownTypes__FieldAccessorTable; }
+    }
+
+    private bool _frozen = false;
+    public bool IsFrozen { get { return _frozen; } }
+
+    public TestWellKnownTypes() {
+      OnConstruction();
+    }
+
+    partial void OnConstruction();
+
+    public TestWellKnownTypes(TestWellKnownTypes other) : this() {
+      AnyField = other.anyField_ != null ? other.AnyField.Clone() : null;
+      ApiField = other.apiField_ != null ? other.ApiField.Clone() : null;
+      DurationField = other.durationField_ != null ? other.DurationField.Clone() : null;
+      EmptyField = other.emptyField_ != null ? other.EmptyField.Clone() : null;
+      FieldMaskField = other.fieldMaskField_ != null ? other.FieldMaskField.Clone() : null;
+      SourceContextField = other.sourceContextField_ != null ? other.SourceContextField.Clone() : null;
+      StructField = other.structField_ != null ? other.StructField.Clone() : null;
+      TimestampField = other.timestampField_ != null ? other.TimestampField.Clone() : null;
+      TypeField = other.typeField_ != null ? other.TypeField.Clone() : null;
+      DoubleField = other.DoubleField;
+      FloatField = other.FloatField;
+      Int64Field = other.Int64Field;
+      Uint64Field = other.Uint64Field;
+      Int32Field = other.Int32Field;
+      Uint32Field = other.Uint32Field;
+      BoolField = other.BoolField;
+      StringField = other.StringField;
+      BytesField = other.BytesField;
+    }
+
+    public TestWellKnownTypes Clone() {
+      return new TestWellKnownTypes(this);
+    }
+
+    public void Freeze() {
+      if (IsFrozen) {
+        return;
+      }
+      _frozen = true;
+      if (anyField_ != null) AnyField.Freeze();
+      if (apiField_ != null) ApiField.Freeze();
+      if (durationField_ != null) DurationField.Freeze();
+      if (emptyField_ != null) EmptyField.Freeze();
+      if (fieldMaskField_ != null) FieldMaskField.Freeze();
+      if (sourceContextField_ != null) SourceContextField.Freeze();
+      if (structField_ != null) StructField.Freeze();
+      if (timestampField_ != null) TimestampField.Freeze();
+      if (typeField_ != null) TypeField.Freeze();
+    }
+
+    public const int AnyFieldFieldNumber = 1;
+    private global::Google.Protobuf.WellKnownTypes.Any anyField_;
+    public global::Google.Protobuf.WellKnownTypes.Any AnyField {
+      get { return anyField_; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        anyField_ = value;
+      }
+    }
+
+    public const int ApiFieldFieldNumber = 2;
+    private global::Google.Protobuf.WellKnownTypes.Api apiField_;
+    public global::Google.Protobuf.WellKnownTypes.Api ApiField {
+      get { return apiField_; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        apiField_ = value;
+      }
+    }
+
+    public const int DurationFieldFieldNumber = 3;
+    private global::Google.Protobuf.WellKnownTypes.Duration durationField_;
+    public global::Google.Protobuf.WellKnownTypes.Duration DurationField {
+      get { return durationField_; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        durationField_ = value;
+      }
+    }
+
+    public const int EmptyFieldFieldNumber = 4;
+    private global::Google.Protobuf.WellKnownTypes.Empty emptyField_;
+    public global::Google.Protobuf.WellKnownTypes.Empty EmptyField {
+      get { return emptyField_; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        emptyField_ = value;
+      }
+    }
+
+    public const int FieldMaskFieldFieldNumber = 5;
+    private global::Google.Protobuf.WellKnownTypes.FieldMask fieldMaskField_;
+    public global::Google.Protobuf.WellKnownTypes.FieldMask FieldMaskField {
+      get { return fieldMaskField_; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        fieldMaskField_ = value;
+      }
+    }
+
+    public const int SourceContextFieldFieldNumber = 6;
+    private global::Google.Protobuf.WellKnownTypes.SourceContext sourceContextField_;
+    public global::Google.Protobuf.WellKnownTypes.SourceContext SourceContextField {
+      get { return sourceContextField_; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        sourceContextField_ = value;
+      }
+    }
+
+    public const int StructFieldFieldNumber = 7;
+    private global::Google.Protobuf.WellKnownTypes.Struct structField_;
+    public global::Google.Protobuf.WellKnownTypes.Struct StructField {
+      get { return structField_; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        structField_ = value;
+      }
+    }
+
+    public const int TimestampFieldFieldNumber = 8;
+    private global::Google.Protobuf.WellKnownTypes.Timestamp timestampField_;
+    public global::Google.Protobuf.WellKnownTypes.Timestamp TimestampField {
+      get { return timestampField_; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        timestampField_ = value;
+      }
+    }
+
+    public const int TypeFieldFieldNumber = 9;
+    private global::Google.Protobuf.WellKnownTypes.Type typeField_;
+    public global::Google.Protobuf.WellKnownTypes.Type TypeField {
+      get { return typeField_; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        typeField_ = value;
+      }
+    }
+
+    public const int DoubleFieldFieldNumber = 10;
+    private global::Google.Protobuf.WellKnownTypes.DoubleValue doubleField_;
+    public double? DoubleField {
+      get { return doubleField_ == null ? (double?) null : doubleField_.Value; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        doubleField_ = value == null ? null : new global::Google.Protobuf.WellKnownTypes.DoubleValue { Value = value.Value };
+      }
+    }
+
+    public const int FloatFieldFieldNumber = 11;
+    private global::Google.Protobuf.WellKnownTypes.FloatValue floatField_;
+    public float? FloatField {
+      get { return floatField_ == null ? (float?) null : floatField_.Value; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        floatField_ = value == null ? null : new global::Google.Protobuf.WellKnownTypes.FloatValue { Value = value.Value };
+      }
+    }
+
+    public const int Int64FieldFieldNumber = 12;
+    private global::Google.Protobuf.WellKnownTypes.Int64Value int64Field_;
+    public long? Int64Field {
+      get { return int64Field_ == null ? (long?) null : int64Field_.Value; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        int64Field_ = value == null ? null : new global::Google.Protobuf.WellKnownTypes.Int64Value { Value = value.Value };
+      }
+    }
+
+    public const int Uint64FieldFieldNumber = 13;
+    private global::Google.Protobuf.WellKnownTypes.UInt64Value uint64Field_;
+    public ulong? Uint64Field {
+      get { return uint64Field_ == null ? (ulong?) null : uint64Field_.Value; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        uint64Field_ = value == null ? null : new global::Google.Protobuf.WellKnownTypes.UInt64Value { Value = value.Value };
+      }
+    }
+
+    public const int Int32FieldFieldNumber = 14;
+    private global::Google.Protobuf.WellKnownTypes.Int32Value int32Field_;
+    public int? Int32Field {
+      get { return int32Field_ == null ? (int?) null : int32Field_.Value; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        int32Field_ = value == null ? null : new global::Google.Protobuf.WellKnownTypes.Int32Value { Value = value.Value };
+      }
+    }
+
+    public const int Uint32FieldFieldNumber = 15;
+    private global::Google.Protobuf.WellKnownTypes.UInt32Value uint32Field_;
+    public uint? Uint32Field {
+      get { return uint32Field_ == null ? (uint?) null : uint32Field_.Value; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        uint32Field_ = value == null ? null : new global::Google.Protobuf.WellKnownTypes.UInt32Value { Value = value.Value };
+      }
+    }
+
+    public const int BoolFieldFieldNumber = 16;
+    private global::Google.Protobuf.WellKnownTypes.BoolValue boolField_;
+    public bool? BoolField {
+      get { return boolField_ == null ? (bool?) null : boolField_.Value; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        boolField_ = value == null ? null : new global::Google.Protobuf.WellKnownTypes.BoolValue { Value = value.Value };
+      }
+    }
+
+    public const int StringFieldFieldNumber = 17;
+    private global::Google.Protobuf.WellKnownTypes.StringValue stringField_;
+    public string StringField {
+      get { return stringField_ == null ? (string) null : stringField_.Value; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        stringField_ = value == null ? null : new global::Google.Protobuf.WellKnownTypes.StringValue { Value = value };
+      }
+    }
+
+    public const int BytesFieldFieldNumber = 18;
+    private global::Google.Protobuf.WellKnownTypes.BytesValue bytesField_;
+    public pb::ByteString BytesField {
+      get { return bytesField_ == null ? (pb::ByteString) null : bytesField_.Value; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        bytesField_ = value == null ? null : new global::Google.Protobuf.WellKnownTypes.BytesValue { Value = value };
+      }
+    }
+
+    public override bool Equals(object other) {
+      return Equals(other as TestWellKnownTypes);
+    }
+
+    public bool Equals(TestWellKnownTypes other) {
+      if (ReferenceEquals(other, null)) {
+        return false;
+      }
+      if (ReferenceEquals(other, this)) {
+        return true;
+      }
+      if (!object.Equals(AnyField, other.AnyField)) return false;
+      if (!object.Equals(ApiField, other.ApiField)) return false;
+      if (!object.Equals(DurationField, other.DurationField)) return false;
+      if (!object.Equals(EmptyField, other.EmptyField)) return false;
+      if (!object.Equals(FieldMaskField, other.FieldMaskField)) return false;
+      if (!object.Equals(SourceContextField, other.SourceContextField)) return false;
+      if (!object.Equals(StructField, other.StructField)) return false;
+      if (!object.Equals(TimestampField, other.TimestampField)) return false;
+      if (!object.Equals(TypeField, other.TypeField)) return false;
+      if (DoubleField != other.DoubleField) return false;
+      if (FloatField != other.FloatField) return false;
+      if (Int64Field != other.Int64Field) return false;
+      if (Uint64Field != other.Uint64Field) return false;
+      if (Int32Field != other.Int32Field) return false;
+      if (Uint32Field != other.Uint32Field) return false;
+      if (BoolField != other.BoolField) return false;
+      if (StringField != other.StringField) return false;
+      if (BytesField != other.BytesField) return false;
+      return true;
+    }
+
+    public override int GetHashCode() {
+      int hash = 1;
+      if (anyField_ != null) hash ^= AnyField.GetHashCode();
+      if (apiField_ != null) hash ^= ApiField.GetHashCode();
+      if (durationField_ != null) hash ^= DurationField.GetHashCode();
+      if (emptyField_ != null) hash ^= EmptyField.GetHashCode();
+      if (fieldMaskField_ != null) hash ^= FieldMaskField.GetHashCode();
+      if (sourceContextField_ != null) hash ^= SourceContextField.GetHashCode();
+      if (structField_ != null) hash ^= StructField.GetHashCode();
+      if (timestampField_ != null) hash ^= TimestampField.GetHashCode();
+      if (typeField_ != null) hash ^= TypeField.GetHashCode();
+      if (doubleField_ != null) hash ^= DoubleField.GetHashCode();
+      if (floatField_ != null) hash ^= FloatField.GetHashCode();
+      if (int64Field_ != null) hash ^= Int64Field.GetHashCode();
+      if (uint64Field_ != null) hash ^= Uint64Field.GetHashCode();
+      if (int32Field_ != null) hash ^= Int32Field.GetHashCode();
+      if (uint32Field_ != null) hash ^= Uint32Field.GetHashCode();
+      if (boolField_ != null) hash ^= BoolField.GetHashCode();
+      if (stringField_ != null) hash ^= StringField.GetHashCode();
+      if (bytesField_ != null) hash ^= BytesField.GetHashCode();
+      return hash;
+    }
+
+    public override string ToString() {
+      return pb::JsonFormatter.Default.Format(this);
+    }
+
+    public void WriteTo(pb::CodedOutputStream output) {
+      if (anyField_ != null) {
+        output.WriteRawTag(10);
+        output.WriteMessage(AnyField);
+      }
+      if (apiField_ != null) {
+        output.WriteRawTag(18);
+        output.WriteMessage(ApiField);
+      }
+      if (durationField_ != null) {
+        output.WriteRawTag(26);
+        output.WriteMessage(DurationField);
+      }
+      if (emptyField_ != null) {
+        output.WriteRawTag(34);
+        output.WriteMessage(EmptyField);
+      }
+      if (fieldMaskField_ != null) {
+        output.WriteRawTag(42);
+        output.WriteMessage(FieldMaskField);
+      }
+      if (sourceContextField_ != null) {
+        output.WriteRawTag(50);
+        output.WriteMessage(SourceContextField);
+      }
+      if (structField_ != null) {
+        output.WriteRawTag(58);
+        output.WriteMessage(StructField);
+      }
+      if (timestampField_ != null) {
+        output.WriteRawTag(66);
+        output.WriteMessage(TimestampField);
+      }
+      if (typeField_ != null) {
+        output.WriteRawTag(74);
+        output.WriteMessage(TypeField);
+      }
+      if (doubleField_ != null) {
+        output.WriteRawTag(82);
+        output.WriteMessage(doubleField_);
+      }
+      if (floatField_ != null) {
+        output.WriteRawTag(90);
+        output.WriteMessage(floatField_);
+      }
+      if (int64Field_ != null) {
+        output.WriteRawTag(98);
+        output.WriteMessage(int64Field_);
+      }
+      if (uint64Field_ != null) {
+        output.WriteRawTag(106);
+        output.WriteMessage(uint64Field_);
+      }
+      if (int32Field_ != null) {
+        output.WriteRawTag(114);
+        output.WriteMessage(int32Field_);
+      }
+      if (uint32Field_ != null) {
+        output.WriteRawTag(122);
+        output.WriteMessage(uint32Field_);
+      }
+      if (boolField_ != null) {
+        output.WriteRawTag(130, 1);
+        output.WriteMessage(boolField_);
+      }
+      if (stringField_ != null) {
+        output.WriteRawTag(138, 1);
+        output.WriteMessage(stringField_);
+      }
+      if (bytesField_ != null) {
+        output.WriteRawTag(146, 1);
+        output.WriteMessage(bytesField_);
+      }
+    }
+
+    public int CalculateSize() {
+      int size = 0;
+      if (anyField_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(AnyField);
+      }
+      if (apiField_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(ApiField);
+      }
+      if (durationField_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(DurationField);
+      }
+      if (emptyField_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(EmptyField);
+      }
+      if (fieldMaskField_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(FieldMaskField);
+      }
+      if (sourceContextField_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(SourceContextField);
+      }
+      if (structField_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(StructField);
+      }
+      if (timestampField_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(TimestampField);
+      }
+      if (typeField_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(TypeField);
+      }
+      if (doubleField_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(doubleField_);
+      }
+      if (floatField_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(floatField_);
+      }
+      if (int64Field_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(int64Field_);
+      }
+      if (uint64Field_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(uint64Field_);
+      }
+      if (int32Field_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(int32Field_);
+      }
+      if (uint32Field_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(uint32Field_);
+      }
+      if (boolField_ != null) {
+        size += 2 + pb::CodedOutputStream.ComputeMessageSize(boolField_);
+      }
+      if (stringField_ != null) {
+        size += 2 + pb::CodedOutputStream.ComputeMessageSize(stringField_);
+      }
+      if (bytesField_ != null) {
+        size += 2 + pb::CodedOutputStream.ComputeMessageSize(bytesField_);
+      }
+      return size;
+    }
+
+    public void MergeFrom(TestWellKnownTypes other) {
+      if (other == null) {
+        return;
+      }
+      if (other.anyField_ != null) {
+        if (anyField_ == null) {
+          anyField_ = new global::Google.Protobuf.WellKnownTypes.Any();
+        }
+        AnyField.MergeFrom(other.AnyField);
+      }
+      if (other.apiField_ != null) {
+        if (apiField_ == null) {
+          apiField_ = new global::Google.Protobuf.WellKnownTypes.Api();
+        }
+        ApiField.MergeFrom(other.ApiField);
+      }
+      if (other.durationField_ != null) {
+        if (durationField_ == null) {
+          durationField_ = new global::Google.Protobuf.WellKnownTypes.Duration();
+        }
+        DurationField.MergeFrom(other.DurationField);
+      }
+      if (other.emptyField_ != null) {
+        if (emptyField_ == null) {
+          emptyField_ = new global::Google.Protobuf.WellKnownTypes.Empty();
+        }
+        EmptyField.MergeFrom(other.EmptyField);
+      }
+      if (other.fieldMaskField_ != null) {
+        if (fieldMaskField_ == null) {
+          fieldMaskField_ = new global::Google.Protobuf.WellKnownTypes.FieldMask();
+        }
+        FieldMaskField.MergeFrom(other.FieldMaskField);
+      }
+      if (other.sourceContextField_ != null) {
+        if (sourceContextField_ == null) {
+          sourceContextField_ = new global::Google.Protobuf.WellKnownTypes.SourceContext();
+        }
+        SourceContextField.MergeFrom(other.SourceContextField);
+      }
+      if (other.structField_ != null) {
+        if (structField_ == null) {
+          structField_ = new global::Google.Protobuf.WellKnownTypes.Struct();
+        }
+        StructField.MergeFrom(other.StructField);
+      }
+      if (other.timestampField_ != null) {
+        if (timestampField_ == null) {
+          timestampField_ = new global::Google.Protobuf.WellKnownTypes.Timestamp();
+        }
+        TimestampField.MergeFrom(other.TimestampField);
+      }
+      if (other.typeField_ != null) {
+        if (typeField_ == null) {
+          typeField_ = new global::Google.Protobuf.WellKnownTypes.Type();
+        }
+        TypeField.MergeFrom(other.TypeField);
+      }
+      if (other.doubleField_ != null) {
+        if (doubleField_ == null) {
+          doubleField_ = new global::Google.Protobuf.WellKnownTypes.DoubleValue();
+        }
+        doubleField_.MergeFrom(other.doubleField_);
+      }
+      if (other.floatField_ != null) {
+        if (floatField_ == null) {
+          floatField_ = new global::Google.Protobuf.WellKnownTypes.FloatValue();
+        }
+        floatField_.MergeFrom(other.floatField_);
+      }
+      if (other.int64Field_ != null) {
+        if (int64Field_ == null) {
+          int64Field_ = new global::Google.Protobuf.WellKnownTypes.Int64Value();
+        }
+        int64Field_.MergeFrom(other.int64Field_);
+      }
+      if (other.uint64Field_ != null) {
+        if (uint64Field_ == null) {
+          uint64Field_ = new global::Google.Protobuf.WellKnownTypes.UInt64Value();
+        }
+        uint64Field_.MergeFrom(other.uint64Field_);
+      }
+      if (other.int32Field_ != null) {
+        if (int32Field_ == null) {
+          int32Field_ = new global::Google.Protobuf.WellKnownTypes.Int32Value();
+        }
+        int32Field_.MergeFrom(other.int32Field_);
+      }
+      if (other.uint32Field_ != null) {
+        if (uint32Field_ == null) {
+          uint32Field_ = new global::Google.Protobuf.WellKnownTypes.UInt32Value();
+        }
+        uint32Field_.MergeFrom(other.uint32Field_);
+      }
+      if (other.boolField_ != null) {
+        if (boolField_ == null) {
+          boolField_ = new global::Google.Protobuf.WellKnownTypes.BoolValue();
+        }
+        boolField_.MergeFrom(other.boolField_);
+      }
+      if (other.stringField_ != null) {
+        if (stringField_ == null) {
+          stringField_ = new global::Google.Protobuf.WellKnownTypes.StringValue();
+        }
+        stringField_.MergeFrom(other.stringField_);
+      }
+      if (other.bytesField_ != null) {
+        if (bytesField_ == null) {
+          bytesField_ = new global::Google.Protobuf.WellKnownTypes.BytesValue();
+        }
+        bytesField_.MergeFrom(other.bytesField_);
+      }
+    }
+
+    public void MergeFrom(pb::CodedInputStream input) {
+      uint tag;
+      while (input.ReadTag(out tag)) {
+        switch(tag) {
+          case 0:
+            throw pb::InvalidProtocolBufferException.InvalidTag();
+          default:
+            if (pb::WireFormat.IsEndGroupTag(tag)) {
+              return;
+            }
+            break;
+          case 10: {
+            if (anyField_ == null) {
+              anyField_ = new global::Google.Protobuf.WellKnownTypes.Any();
+            }
+            input.ReadMessage(anyField_);
+            break;
+          }
+          case 18: {
+            if (apiField_ == null) {
+              apiField_ = new global::Google.Protobuf.WellKnownTypes.Api();
+            }
+            input.ReadMessage(apiField_);
+            break;
+          }
+          case 26: {
+            if (durationField_ == null) {
+              durationField_ = new global::Google.Protobuf.WellKnownTypes.Duration();
+            }
+            input.ReadMessage(durationField_);
+            break;
+          }
+          case 34: {
+            if (emptyField_ == null) {
+              emptyField_ = new global::Google.Protobuf.WellKnownTypes.Empty();
+            }
+            input.ReadMessage(emptyField_);
+            break;
+          }
+          case 42: {
+            if (fieldMaskField_ == null) {
+              fieldMaskField_ = new global::Google.Protobuf.WellKnownTypes.FieldMask();
+            }
+            input.ReadMessage(fieldMaskField_);
+            break;
+          }
+          case 50: {
+            if (sourceContextField_ == null) {
+              sourceContextField_ = new global::Google.Protobuf.WellKnownTypes.SourceContext();
+            }
+            input.ReadMessage(sourceContextField_);
+            break;
+          }
+          case 58: {
+            if (structField_ == null) {
+              structField_ = new global::Google.Protobuf.WellKnownTypes.Struct();
+            }
+            input.ReadMessage(structField_);
+            break;
+          }
+          case 66: {
+            if (timestampField_ == null) {
+              timestampField_ = new global::Google.Protobuf.WellKnownTypes.Timestamp();
+            }
+            input.ReadMessage(timestampField_);
+            break;
+          }
+          case 74: {
+            if (typeField_ == null) {
+              typeField_ = new global::Google.Protobuf.WellKnownTypes.Type();
+            }
+            input.ReadMessage(typeField_);
+            break;
+          }
+          case 82: {
+            if (doubleField_ == null) {
+              doubleField_ = new global::Google.Protobuf.WellKnownTypes.DoubleValue();
+            }
+            input.ReadMessage(doubleField_);
+            break;
+          }
+          case 90: {
+            if (floatField_ == null) {
+              floatField_ = new global::Google.Protobuf.WellKnownTypes.FloatValue();
+            }
+            input.ReadMessage(floatField_);
+            break;
+          }
+          case 98: {
+            if (int64Field_ == null) {
+              int64Field_ = new global::Google.Protobuf.WellKnownTypes.Int64Value();
+            }
+            input.ReadMessage(int64Field_);
+            break;
+          }
+          case 106: {
+            if (uint64Field_ == null) {
+              uint64Field_ = new global::Google.Protobuf.WellKnownTypes.UInt64Value();
+            }
+            input.ReadMessage(uint64Field_);
+            break;
+          }
+          case 114: {
+            if (int32Field_ == null) {
+              int32Field_ = new global::Google.Protobuf.WellKnownTypes.Int32Value();
+            }
+            input.ReadMessage(int32Field_);
+            break;
+          }
+          case 122: {
+            if (uint32Field_ == null) {
+              uint32Field_ = new global::Google.Protobuf.WellKnownTypes.UInt32Value();
+            }
+            input.ReadMessage(uint32Field_);
+            break;
+          }
+          case 130: {
+            if (boolField_ == null) {
+              boolField_ = new global::Google.Protobuf.WellKnownTypes.BoolValue();
+            }
+            input.ReadMessage(boolField_);
+            break;
+          }
+          case 138: {
+            if (stringField_ == null) {
+              stringField_ = new global::Google.Protobuf.WellKnownTypes.StringValue();
+            }
+            input.ReadMessage(stringField_);
+            break;
+          }
+          case 146: {
+            if (bytesField_ == null) {
+              bytesField_ = new global::Google.Protobuf.WellKnownTypes.BytesValue();
+            }
+            input.ReadMessage(bytesField_);
+            break;
+          }
+        }
+      }
+    }
+
+  }
+
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public sealed partial class RepeatedWellKnownTypes : pb::IMessage<RepeatedWellKnownTypes> {
+    private static readonly pb::MessageParser<RepeatedWellKnownTypes> _parser = new pb::MessageParser<RepeatedWellKnownTypes>(() => new RepeatedWellKnownTypes());
+    public static pb::MessageParser<RepeatedWellKnownTypes> Parser { get { return _parser; } }
+
+    private static readonly string[] _fieldNames = new string[] { "any_field", "api_field", "duration_field", "empty_field", "field_mask_field", "source_context_field", "struct_field", "timestamp_field", "type_field" };
+    private static readonly uint[] _fieldTags = new uint[] { 10, 18, 26, 34, 42, 50, 58, 66, 74 };
+    public static pbr::MessageDescriptor Descriptor {
+      get { return global::Google.Protobuf.TestProtos.UnittestWellKnownTypes.Descriptor.MessageTypes[1]; }
+    }
+
+    pbr::FieldAccessorTable pb::IReflectedMessage.Fields {
+      get { return global::Google.Protobuf.TestProtos.UnittestWellKnownTypes.internal__static_protobuf_unittest_RepeatedWellKnownTypes__FieldAccessorTable; }
+    }
+
+    private bool _frozen = false;
+    public bool IsFrozen { get { return _frozen; } }
+
+    public RepeatedWellKnownTypes() {
+      OnConstruction();
+    }
+
+    partial void OnConstruction();
+
+    public RepeatedWellKnownTypes(RepeatedWellKnownTypes other) : this() {
+      anyField_ = other.anyField_.Clone();
+      apiField_ = other.apiField_.Clone();
+      durationField_ = other.durationField_.Clone();
+      emptyField_ = other.emptyField_.Clone();
+      fieldMaskField_ = other.fieldMaskField_.Clone();
+      sourceContextField_ = other.sourceContextField_.Clone();
+      structField_ = other.structField_.Clone();
+      timestampField_ = other.timestampField_.Clone();
+      typeField_ = other.typeField_.Clone();
+    }
+
+    public RepeatedWellKnownTypes Clone() {
+      return new RepeatedWellKnownTypes(this);
+    }
+
+    public void Freeze() {
+      if (IsFrozen) {
+        return;
+      }
+      _frozen = true;
+      anyField_.Freeze();
+      apiField_.Freeze();
+      durationField_.Freeze();
+      emptyField_.Freeze();
+      fieldMaskField_.Freeze();
+      sourceContextField_.Freeze();
+      structField_.Freeze();
+      timestampField_.Freeze();
+      typeField_.Freeze();
+    }
+
+    public const int AnyFieldFieldNumber = 1;
+    private static readonly pb::FieldCodec<global::Google.Protobuf.WellKnownTypes.Any> _repeated_anyField_codec
+        = pb::FieldCodec.ForMessage(10, global::Google.Protobuf.WellKnownTypes.Any.Parser);
+    private readonly pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.Any> anyField_ = new pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.Any>();
+    public pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.Any> AnyField {
+      get { return anyField_; }
+    }
+
+    public const int ApiFieldFieldNumber = 2;
+    private static readonly pb::FieldCodec<global::Google.Protobuf.WellKnownTypes.Api> _repeated_apiField_codec
+        = pb::FieldCodec.ForMessage(18, global::Google.Protobuf.WellKnownTypes.Api.Parser);
+    private readonly pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.Api> apiField_ = new pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.Api>();
+    public pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.Api> ApiField {
+      get { return apiField_; }
+    }
+
+    public const int DurationFieldFieldNumber = 3;
+    private static readonly pb::FieldCodec<global::Google.Protobuf.WellKnownTypes.Duration> _repeated_durationField_codec
+        = pb::FieldCodec.ForMessage(26, global::Google.Protobuf.WellKnownTypes.Duration.Parser);
+    private readonly pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.Duration> durationField_ = new pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.Duration>();
+    public pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.Duration> DurationField {
+      get { return durationField_; }
+    }
+
+    public const int EmptyFieldFieldNumber = 4;
+    private static readonly pb::FieldCodec<global::Google.Protobuf.WellKnownTypes.Empty> _repeated_emptyField_codec
+        = pb::FieldCodec.ForMessage(34, global::Google.Protobuf.WellKnownTypes.Empty.Parser);
+    private readonly pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.Empty> emptyField_ = new pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.Empty>();
+    public pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.Empty> EmptyField {
+      get { return emptyField_; }
+    }
+
+    public const int FieldMaskFieldFieldNumber = 5;
+    private static readonly pb::FieldCodec<global::Google.Protobuf.WellKnownTypes.FieldMask> _repeated_fieldMaskField_codec
+        = pb::FieldCodec.ForMessage(42, global::Google.Protobuf.WellKnownTypes.FieldMask.Parser);
+    private readonly pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.FieldMask> fieldMaskField_ = new pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.FieldMask>();
+    public pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.FieldMask> FieldMaskField {
+      get { return fieldMaskField_; }
+    }
+
+    public const int SourceContextFieldFieldNumber = 6;
+    private static readonly pb::FieldCodec<global::Google.Protobuf.WellKnownTypes.SourceContext> _repeated_sourceContextField_codec
+        = pb::FieldCodec.ForMessage(50, global::Google.Protobuf.WellKnownTypes.SourceContext.Parser);
+    private readonly pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.SourceContext> sourceContextField_ = new pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.SourceContext>();
+    public pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.SourceContext> SourceContextField {
+      get { return sourceContextField_; }
+    }
+
+    public const int StructFieldFieldNumber = 7;
+    private static readonly pb::FieldCodec<global::Google.Protobuf.WellKnownTypes.Struct> _repeated_structField_codec
+        = pb::FieldCodec.ForMessage(58, global::Google.Protobuf.WellKnownTypes.Struct.Parser);
+    private readonly pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.Struct> structField_ = new pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.Struct>();
+    public pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.Struct> StructField {
+      get { return structField_; }
+    }
+
+    public const int TimestampFieldFieldNumber = 8;
+    private static readonly pb::FieldCodec<global::Google.Protobuf.WellKnownTypes.Timestamp> _repeated_timestampField_codec
+        = pb::FieldCodec.ForMessage(66, global::Google.Protobuf.WellKnownTypes.Timestamp.Parser);
+    private readonly pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.Timestamp> timestampField_ = new pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.Timestamp>();
+    public pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.Timestamp> TimestampField {
+      get { return timestampField_; }
+    }
+
+    public const int TypeFieldFieldNumber = 9;
+    private static readonly pb::FieldCodec<global::Google.Protobuf.WellKnownTypes.Type> _repeated_typeField_codec
+        = pb::FieldCodec.ForMessage(74, global::Google.Protobuf.WellKnownTypes.Type.Parser);
+    private readonly pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.Type> typeField_ = new pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.Type>();
+    public pbc::RepeatedField<global::Google.Protobuf.WellKnownTypes.Type> TypeField {
+      get { return typeField_; }
+    }
+
+    public override bool Equals(object other) {
+      return Equals(other as RepeatedWellKnownTypes);
+    }
+
+    public bool Equals(RepeatedWellKnownTypes other) {
+      if (ReferenceEquals(other, null)) {
+        return false;
+      }
+      if (ReferenceEquals(other, this)) {
+        return true;
+      }
+      if(!anyField_.Equals(other.anyField_)) return false;
+      if(!apiField_.Equals(other.apiField_)) return false;
+      if(!durationField_.Equals(other.durationField_)) return false;
+      if(!emptyField_.Equals(other.emptyField_)) return false;
+      if(!fieldMaskField_.Equals(other.fieldMaskField_)) return false;
+      if(!sourceContextField_.Equals(other.sourceContextField_)) return false;
+      if(!structField_.Equals(other.structField_)) return false;
+      if(!timestampField_.Equals(other.timestampField_)) return false;
+      if(!typeField_.Equals(other.typeField_)) return false;
+      return true;
+    }
+
+    public override int GetHashCode() {
+      int hash = 1;
+      hash ^= anyField_.GetHashCode();
+      hash ^= apiField_.GetHashCode();
+      hash ^= durationField_.GetHashCode();
+      hash ^= emptyField_.GetHashCode();
+      hash ^= fieldMaskField_.GetHashCode();
+      hash ^= sourceContextField_.GetHashCode();
+      hash ^= structField_.GetHashCode();
+      hash ^= timestampField_.GetHashCode();
+      hash ^= typeField_.GetHashCode();
+      return hash;
+    }
+
+    public override string ToString() {
+      return pb::JsonFormatter.Default.Format(this);
+    }
+
+    public void WriteTo(pb::CodedOutputStream output) {
+      anyField_.WriteTo(output, _repeated_anyField_codec);
+      apiField_.WriteTo(output, _repeated_apiField_codec);
+      durationField_.WriteTo(output, _repeated_durationField_codec);
+      emptyField_.WriteTo(output, _repeated_emptyField_codec);
+      fieldMaskField_.WriteTo(output, _repeated_fieldMaskField_codec);
+      sourceContextField_.WriteTo(output, _repeated_sourceContextField_codec);
+      structField_.WriteTo(output, _repeated_structField_codec);
+      timestampField_.WriteTo(output, _repeated_timestampField_codec);
+      typeField_.WriteTo(output, _repeated_typeField_codec);
+    }
+
+    public int CalculateSize() {
+      int size = 0;
+      size += anyField_.CalculateSize(_repeated_anyField_codec);
+      size += apiField_.CalculateSize(_repeated_apiField_codec);
+      size += durationField_.CalculateSize(_repeated_durationField_codec);
+      size += emptyField_.CalculateSize(_repeated_emptyField_codec);
+      size += fieldMaskField_.CalculateSize(_repeated_fieldMaskField_codec);
+      size += sourceContextField_.CalculateSize(_repeated_sourceContextField_codec);
+      size += structField_.CalculateSize(_repeated_structField_codec);
+      size += timestampField_.CalculateSize(_repeated_timestampField_codec);
+      size += typeField_.CalculateSize(_repeated_typeField_codec);
+      return size;
+    }
+
+    public void MergeFrom(RepeatedWellKnownTypes other) {
+      if (other == null) {
+        return;
+      }
+      anyField_.Add(other.anyField_);
+      apiField_.Add(other.apiField_);
+      durationField_.Add(other.durationField_);
+      emptyField_.Add(other.emptyField_);
+      fieldMaskField_.Add(other.fieldMaskField_);
+      sourceContextField_.Add(other.sourceContextField_);
+      structField_.Add(other.structField_);
+      timestampField_.Add(other.timestampField_);
+      typeField_.Add(other.typeField_);
+    }
+
+    public void MergeFrom(pb::CodedInputStream input) {
+      uint tag;
+      while (input.ReadTag(out tag)) {
+        switch(tag) {
+          case 0:
+            throw pb::InvalidProtocolBufferException.InvalidTag();
+          default:
+            if (pb::WireFormat.IsEndGroupTag(tag)) {
+              return;
+            }
+            break;
+          case 10: {
+            anyField_.AddEntriesFrom(input, _repeated_anyField_codec);
+            break;
+          }
+          case 18: {
+            apiField_.AddEntriesFrom(input, _repeated_apiField_codec);
+            break;
+          }
+          case 26: {
+            durationField_.AddEntriesFrom(input, _repeated_durationField_codec);
+            break;
+          }
+          case 34: {
+            emptyField_.AddEntriesFrom(input, _repeated_emptyField_codec);
+            break;
+          }
+          case 42: {
+            fieldMaskField_.AddEntriesFrom(input, _repeated_fieldMaskField_codec);
+            break;
+          }
+          case 50: {
+            sourceContextField_.AddEntriesFrom(input, _repeated_sourceContextField_codec);
+            break;
+          }
+          case 58: {
+            structField_.AddEntriesFrom(input, _repeated_structField_codec);
+            break;
+          }
+          case 66: {
+            timestampField_.AddEntriesFrom(input, _repeated_timestampField_codec);
+            break;
+          }
+          case 74: {
+            typeField_.AddEntriesFrom(input, _repeated_typeField_codec);
+            break;
+          }
+        }
+      }
+    }
+
+  }
+
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public sealed partial class OneofWellKnownTypes : pb::IMessage<OneofWellKnownTypes> {
+    private static readonly pb::MessageParser<OneofWellKnownTypes> _parser = new pb::MessageParser<OneofWellKnownTypes>(() => new OneofWellKnownTypes());
+    public static pb::MessageParser<OneofWellKnownTypes> Parser { get { return _parser; } }
+
+    private static readonly string[] _fieldNames = new string[] { "any_field", "api_field", "bool_field", "bytes_field", "double_field", "duration_field", "empty_field", "field_mask_field", "float_field", "int32_field", "int64_field", "source_context_field", "string_field", "struct_field", "timestamp_field", "type_field", "uint32_field", "uint64_field" };
+    private static readonly uint[] _fieldTags = new uint[] { 10, 18, 130, 146, 82, 26, 34, 42, 90, 114, 98, 50, 138, 58, 66, 74, 122, 106 };
+    public static pbr::MessageDescriptor Descriptor {
+      get { return global::Google.Protobuf.TestProtos.UnittestWellKnownTypes.Descriptor.MessageTypes[2]; }
+    }
+
+    pbr::FieldAccessorTable pb::IReflectedMessage.Fields {
+      get { return global::Google.Protobuf.TestProtos.UnittestWellKnownTypes.internal__static_protobuf_unittest_OneofWellKnownTypes__FieldAccessorTable; }
+    }
+
+    private bool _frozen = false;
+    public bool IsFrozen { get { return _frozen; } }
+
+    public OneofWellKnownTypes() {
+      OnConstruction();
+    }
+
+    partial void OnConstruction();
+
+    public OneofWellKnownTypes(OneofWellKnownTypes other) : this() {
+      switch (other.OneofFieldCase) {
+        case OneofFieldOneofCase.AnyField:
+          AnyField = other.AnyField.Clone();
+          break;
+        case OneofFieldOneofCase.ApiField:
+          ApiField = other.ApiField.Clone();
+          break;
+        case OneofFieldOneofCase.DurationField:
+          DurationField = other.DurationField.Clone();
+          break;
+        case OneofFieldOneofCase.EmptyField:
+          EmptyField = other.EmptyField.Clone();
+          break;
+        case OneofFieldOneofCase.FieldMaskField:
+          FieldMaskField = other.FieldMaskField.Clone();
+          break;
+        case OneofFieldOneofCase.SourceContextField:
+          SourceContextField = other.SourceContextField.Clone();
+          break;
+        case OneofFieldOneofCase.StructField:
+          StructField = other.StructField.Clone();
+          break;
+        case OneofFieldOneofCase.TimestampField:
+          TimestampField = other.TimestampField.Clone();
+          break;
+        case OneofFieldOneofCase.TypeField:
+          TypeField = other.TypeField.Clone();
+          break;
+        case OneofFieldOneofCase.DoubleField:
+          DoubleField = other.DoubleField;
+          break;
+        case OneofFieldOneofCase.FloatField:
+          FloatField = other.FloatField;
+          break;
+        case OneofFieldOneofCase.Int64Field:
+          Int64Field = other.Int64Field;
+          break;
+        case OneofFieldOneofCase.Uint64Field:
+          Uint64Field = other.Uint64Field;
+          break;
+        case OneofFieldOneofCase.Int32Field:
+          Int32Field = other.Int32Field;
+          break;
+        case OneofFieldOneofCase.Uint32Field:
+          Uint32Field = other.Uint32Field;
+          break;
+        case OneofFieldOneofCase.BoolField:
+          BoolField = other.BoolField;
+          break;
+        case OneofFieldOneofCase.StringField:
+          StringField = other.StringField;
+          break;
+        case OneofFieldOneofCase.BytesField:
+          BytesField = other.BytesField;
+          break;
+      }
+
+    }
+
+    public OneofWellKnownTypes Clone() {
+      return new OneofWellKnownTypes(this);
+    }
+
+    public void Freeze() {
+      if (IsFrozen) {
+        return;
+      }
+      _frozen = true;
+      if (oneofField_ is IFreezable) ((IFreezable) oneofField_).Freeze();
+    }
+
+    public const int AnyFieldFieldNumber = 1;
+    public global::Google.Protobuf.WellKnownTypes.Any AnyField {
+      get { return oneofFieldCase_ == OneofFieldOneofCase.AnyField ? (global::Google.Protobuf.WellKnownTypes.Any) oneofField_ : null; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        oneofField_ = value;
+        oneofFieldCase_ = value == null ? OneofFieldOneofCase.None : OneofFieldOneofCase.AnyField;
+      }
+    }
+
+    public const int ApiFieldFieldNumber = 2;
+    public global::Google.Protobuf.WellKnownTypes.Api ApiField {
+      get { return oneofFieldCase_ == OneofFieldOneofCase.ApiField ? (global::Google.Protobuf.WellKnownTypes.Api) oneofField_ : null; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        oneofField_ = value;
+        oneofFieldCase_ = value == null ? OneofFieldOneofCase.None : OneofFieldOneofCase.ApiField;
+      }
+    }
+
+    public const int DurationFieldFieldNumber = 3;
+    public global::Google.Protobuf.WellKnownTypes.Duration DurationField {
+      get { return oneofFieldCase_ == OneofFieldOneofCase.DurationField ? (global::Google.Protobuf.WellKnownTypes.Duration) oneofField_ : null; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        oneofField_ = value;
+        oneofFieldCase_ = value == null ? OneofFieldOneofCase.None : OneofFieldOneofCase.DurationField;
+      }
+    }
+
+    public const int EmptyFieldFieldNumber = 4;
+    public global::Google.Protobuf.WellKnownTypes.Empty EmptyField {
+      get { return oneofFieldCase_ == OneofFieldOneofCase.EmptyField ? (global::Google.Protobuf.WellKnownTypes.Empty) oneofField_ : null; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        oneofField_ = value;
+        oneofFieldCase_ = value == null ? OneofFieldOneofCase.None : OneofFieldOneofCase.EmptyField;
+      }
+    }
+
+    public const int FieldMaskFieldFieldNumber = 5;
+    public global::Google.Protobuf.WellKnownTypes.FieldMask FieldMaskField {
+      get { return oneofFieldCase_ == OneofFieldOneofCase.FieldMaskField ? (global::Google.Protobuf.WellKnownTypes.FieldMask) oneofField_ : null; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        oneofField_ = value;
+        oneofFieldCase_ = value == null ? OneofFieldOneofCase.None : OneofFieldOneofCase.FieldMaskField;
+      }
+    }
+
+    public const int SourceContextFieldFieldNumber = 6;
+    public global::Google.Protobuf.WellKnownTypes.SourceContext SourceContextField {
+      get { return oneofFieldCase_ == OneofFieldOneofCase.SourceContextField ? (global::Google.Protobuf.WellKnownTypes.SourceContext) oneofField_ : null; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        oneofField_ = value;
+        oneofFieldCase_ = value == null ? OneofFieldOneofCase.None : OneofFieldOneofCase.SourceContextField;
+      }
+    }
+
+    public const int StructFieldFieldNumber = 7;
+    public global::Google.Protobuf.WellKnownTypes.Struct StructField {
+      get { return oneofFieldCase_ == OneofFieldOneofCase.StructField ? (global::Google.Protobuf.WellKnownTypes.Struct) oneofField_ : null; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        oneofField_ = value;
+        oneofFieldCase_ = value == null ? OneofFieldOneofCase.None : OneofFieldOneofCase.StructField;
+      }
+    }
+
+    public const int TimestampFieldFieldNumber = 8;
+    public global::Google.Protobuf.WellKnownTypes.Timestamp TimestampField {
+      get { return oneofFieldCase_ == OneofFieldOneofCase.TimestampField ? (global::Google.Protobuf.WellKnownTypes.Timestamp) oneofField_ : null; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        oneofField_ = value;
+        oneofFieldCase_ = value == null ? OneofFieldOneofCase.None : OneofFieldOneofCase.TimestampField;
+      }
+    }
+
+    public const int TypeFieldFieldNumber = 9;
+    public global::Google.Protobuf.WellKnownTypes.Type TypeField {
+      get { return oneofFieldCase_ == OneofFieldOneofCase.TypeField ? (global::Google.Protobuf.WellKnownTypes.Type) oneofField_ : null; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        oneofField_ = value;
+        oneofFieldCase_ = value == null ? OneofFieldOneofCase.None : OneofFieldOneofCase.TypeField;
+      }
+    }
+
+    public const int DoubleFieldFieldNumber = 10;
+    public double? DoubleField {
+      get { return oneofFieldCase_ == OneofFieldOneofCase.DoubleField ? ((global::Google.Protobuf.WellKnownTypes.DoubleValue) oneofField_).Value : (double?) null; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        oneofField_ = value == null ? null : new global::Google.Protobuf.WellKnownTypes.DoubleValue { Value = value.Value };
+        oneofFieldCase_ = value == null ? OneofFieldOneofCase.None : OneofFieldOneofCase.DoubleField;
+      }
+    }
+
+    public const int FloatFieldFieldNumber = 11;
+    public float? FloatField {
+      get { return oneofFieldCase_ == OneofFieldOneofCase.FloatField ? ((global::Google.Protobuf.WellKnownTypes.FloatValue) oneofField_).Value : (float?) null; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        oneofField_ = value == null ? null : new global::Google.Protobuf.WellKnownTypes.FloatValue { Value = value.Value };
+        oneofFieldCase_ = value == null ? OneofFieldOneofCase.None : OneofFieldOneofCase.FloatField;
+      }
+    }
+
+    public const int Int64FieldFieldNumber = 12;
+    public long? Int64Field {
+      get { return oneofFieldCase_ == OneofFieldOneofCase.Int64Field ? ((global::Google.Protobuf.WellKnownTypes.Int64Value) oneofField_).Value : (long?) null; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        oneofField_ = value == null ? null : new global::Google.Protobuf.WellKnownTypes.Int64Value { Value = value.Value };
+        oneofFieldCase_ = value == null ? OneofFieldOneofCase.None : OneofFieldOneofCase.Int64Field;
+      }
+    }
+
+    public const int Uint64FieldFieldNumber = 13;
+    public ulong? Uint64Field {
+      get { return oneofFieldCase_ == OneofFieldOneofCase.Uint64Field ? ((global::Google.Protobuf.WellKnownTypes.UInt64Value) oneofField_).Value : (ulong?) null; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        oneofField_ = value == null ? null : new global::Google.Protobuf.WellKnownTypes.UInt64Value { Value = value.Value };
+        oneofFieldCase_ = value == null ? OneofFieldOneofCase.None : OneofFieldOneofCase.Uint64Field;
+      }
+    }
+
+    public const int Int32FieldFieldNumber = 14;
+    public int? Int32Field {
+      get { return oneofFieldCase_ == OneofFieldOneofCase.Int32Field ? ((global::Google.Protobuf.WellKnownTypes.Int32Value) oneofField_).Value : (int?) null; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        oneofField_ = value == null ? null : new global::Google.Protobuf.WellKnownTypes.Int32Value { Value = value.Value };
+        oneofFieldCase_ = value == null ? OneofFieldOneofCase.None : OneofFieldOneofCase.Int32Field;
+      }
+    }
+
+    public const int Uint32FieldFieldNumber = 15;
+    public uint? Uint32Field {
+      get { return oneofFieldCase_ == OneofFieldOneofCase.Uint32Field ? ((global::Google.Protobuf.WellKnownTypes.UInt32Value) oneofField_).Value : (uint?) null; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        oneofField_ = value == null ? null : new global::Google.Protobuf.WellKnownTypes.UInt32Value { Value = value.Value };
+        oneofFieldCase_ = value == null ? OneofFieldOneofCase.None : OneofFieldOneofCase.Uint32Field;
+      }
+    }
+
+    public const int BoolFieldFieldNumber = 16;
+    public bool? BoolField {
+      get { return oneofFieldCase_ == OneofFieldOneofCase.BoolField ? ((global::Google.Protobuf.WellKnownTypes.BoolValue) oneofField_).Value : (bool?) null; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        oneofField_ = value == null ? null : new global::Google.Protobuf.WellKnownTypes.BoolValue { Value = value.Value };
+        oneofFieldCase_ = value == null ? OneofFieldOneofCase.None : OneofFieldOneofCase.BoolField;
+      }
+    }
+
+    public const int StringFieldFieldNumber = 17;
+    public string StringField {
+      get { return oneofFieldCase_ == OneofFieldOneofCase.StringField ? ((global::Google.Protobuf.WellKnownTypes.StringValue) oneofField_).Value : (string) null; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        oneofField_ = value == null ? null : new global::Google.Protobuf.WellKnownTypes.StringValue { Value = value };
+        oneofFieldCase_ = value == null ? OneofFieldOneofCase.None : OneofFieldOneofCase.StringField;
+      }
+    }
+
+    public const int BytesFieldFieldNumber = 18;
+    public pb::ByteString BytesField {
+      get { return oneofFieldCase_ == OneofFieldOneofCase.BytesField ? ((global::Google.Protobuf.WellKnownTypes.BytesValue) oneofField_).Value : (pb::ByteString) null; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        oneofField_ = value == null ? null : new global::Google.Protobuf.WellKnownTypes.BytesValue { Value = value };
+        oneofFieldCase_ = value == null ? OneofFieldOneofCase.None : OneofFieldOneofCase.BytesField;
+      }
+    }
+
+    private object oneofField_;
+    public enum OneofFieldOneofCase {
+      None = 0,
+      AnyField = 1,
+      ApiField = 2,
+      DurationField = 3,
+      EmptyField = 4,
+      FieldMaskField = 5,
+      SourceContextField = 6,
+      StructField = 7,
+      TimestampField = 8,
+      TypeField = 9,
+      DoubleField = 10,
+      FloatField = 11,
+      Int64Field = 12,
+      Uint64Field = 13,
+      Int32Field = 14,
+      Uint32Field = 15,
+      BoolField = 16,
+      StringField = 17,
+      BytesField = 18,
+    }
+    private OneofFieldOneofCase oneofFieldCase_ = OneofFieldOneofCase.None;
+    public OneofFieldOneofCase OneofFieldCase {
+      get { return oneofFieldCase_; }
+    }
+
+    public void ClearOneofField() {
+      pb::Freezable.CheckMutable(this);
+      oneofFieldCase_ = OneofFieldOneofCase.None;
+      oneofField_ = null;
+    }
+
+    public override bool Equals(object other) {
+      return Equals(other as OneofWellKnownTypes);
+    }
+
+    public bool Equals(OneofWellKnownTypes other) {
+      if (ReferenceEquals(other, null)) {
+        return false;
+      }
+      if (ReferenceEquals(other, this)) {
+        return true;
+      }
+      if (!object.Equals(AnyField, other.AnyField)) return false;
+      if (!object.Equals(ApiField, other.ApiField)) return false;
+      if (!object.Equals(DurationField, other.DurationField)) return false;
+      if (!object.Equals(EmptyField, other.EmptyField)) return false;
+      if (!object.Equals(FieldMaskField, other.FieldMaskField)) return false;
+      if (!object.Equals(SourceContextField, other.SourceContextField)) return false;
+      if (!object.Equals(StructField, other.StructField)) return false;
+      if (!object.Equals(TimestampField, other.TimestampField)) return false;
+      if (!object.Equals(TypeField, other.TypeField)) return false;
+      if (DoubleField != other.DoubleField) return false;
+      if (FloatField != other.FloatField) return false;
+      if (Int64Field != other.Int64Field) return false;
+      if (Uint64Field != other.Uint64Field) return false;
+      if (Int32Field != other.Int32Field) return false;
+      if (Uint32Field != other.Uint32Field) return false;
+      if (BoolField != other.BoolField) return false;
+      if (StringField != other.StringField) return false;
+      if (BytesField != other.BytesField) return false;
+      return true;
+    }
+
+    public override int GetHashCode() {
+      int hash = 1;
+      if (oneofFieldCase_ == OneofFieldOneofCase.AnyField) hash ^= AnyField.GetHashCode();
+      if (oneofFieldCase_ == OneofFieldOneofCase.ApiField) hash ^= ApiField.GetHashCode();
+      if (oneofFieldCase_ == OneofFieldOneofCase.DurationField) hash ^= DurationField.GetHashCode();
+      if (oneofFieldCase_ == OneofFieldOneofCase.EmptyField) hash ^= EmptyField.GetHashCode();
+      if (oneofFieldCase_ == OneofFieldOneofCase.FieldMaskField) hash ^= FieldMaskField.GetHashCode();
+      if (oneofFieldCase_ == OneofFieldOneofCase.SourceContextField) hash ^= SourceContextField.GetHashCode();
+      if (oneofFieldCase_ == OneofFieldOneofCase.StructField) hash ^= StructField.GetHashCode();
+      if (oneofFieldCase_ == OneofFieldOneofCase.TimestampField) hash ^= TimestampField.GetHashCode();
+      if (oneofFieldCase_ == OneofFieldOneofCase.TypeField) hash ^= TypeField.GetHashCode();
+      if (oneofFieldCase_ == OneofFieldOneofCase.DoubleField) hash ^= DoubleField.GetHashCode();
+      if (oneofFieldCase_ == OneofFieldOneofCase.FloatField) hash ^= FloatField.GetHashCode();
+      if (oneofFieldCase_ == OneofFieldOneofCase.Int64Field) hash ^= Int64Field.GetHashCode();
+      if (oneofFieldCase_ == OneofFieldOneofCase.Uint64Field) hash ^= Uint64Field.GetHashCode();
+      if (oneofFieldCase_ == OneofFieldOneofCase.Int32Field) hash ^= Int32Field.GetHashCode();
+      if (oneofFieldCase_ == OneofFieldOneofCase.Uint32Field) hash ^= Uint32Field.GetHashCode();
+      if (oneofFieldCase_ == OneofFieldOneofCase.BoolField) hash ^= BoolField.GetHashCode();
+      if (oneofFieldCase_ == OneofFieldOneofCase.StringField) hash ^= StringField.GetHashCode();
+      if (oneofFieldCase_ == OneofFieldOneofCase.BytesField) hash ^= BytesField.GetHashCode();
+      return hash;
+    }
+
+    public override string ToString() {
+      return pb::JsonFormatter.Default.Format(this);
+    }
+
+    public void WriteTo(pb::CodedOutputStream output) {
+      if (oneofFieldCase_ == OneofFieldOneofCase.AnyField) {
+        output.WriteRawTag(10);
+        output.WriteMessage(AnyField);
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.ApiField) {
+        output.WriteRawTag(18);
+        output.WriteMessage(ApiField);
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.DurationField) {
+        output.WriteRawTag(26);
+        output.WriteMessage(DurationField);
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.EmptyField) {
+        output.WriteRawTag(34);
+        output.WriteMessage(EmptyField);
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.FieldMaskField) {
+        output.WriteRawTag(42);
+        output.WriteMessage(FieldMaskField);
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.SourceContextField) {
+        output.WriteRawTag(50);
+        output.WriteMessage(SourceContextField);
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.StructField) {
+        output.WriteRawTag(58);
+        output.WriteMessage(StructField);
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.TimestampField) {
+        output.WriteRawTag(66);
+        output.WriteMessage(TimestampField);
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.TypeField) {
+        output.WriteRawTag(74);
+        output.WriteMessage(TypeField);
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.DoubleField) {
+        output.WriteRawTag(82);
+        output.WriteMessage((global::Google.Protobuf.WellKnownTypes.DoubleValue) oneofField_);
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.FloatField) {
+        output.WriteRawTag(90);
+        output.WriteMessage((global::Google.Protobuf.WellKnownTypes.FloatValue) oneofField_);
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.Int64Field) {
+        output.WriteRawTag(98);
+        output.WriteMessage((global::Google.Protobuf.WellKnownTypes.Int64Value) oneofField_);
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.Uint64Field) {
+        output.WriteRawTag(106);
+        output.WriteMessage((global::Google.Protobuf.WellKnownTypes.UInt64Value) oneofField_);
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.Int32Field) {
+        output.WriteRawTag(114);
+        output.WriteMessage((global::Google.Protobuf.WellKnownTypes.Int32Value) oneofField_);
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.Uint32Field) {
+        output.WriteRawTag(122);
+        output.WriteMessage((global::Google.Protobuf.WellKnownTypes.UInt32Value) oneofField_);
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.BoolField) {
+        output.WriteRawTag(130, 1);
+        output.WriteMessage((global::Google.Protobuf.WellKnownTypes.BoolValue) oneofField_);
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.StringField) {
+        output.WriteRawTag(138, 1);
+        output.WriteMessage((global::Google.Protobuf.WellKnownTypes.StringValue) oneofField_);
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.BytesField) {
+        output.WriteRawTag(146, 1);
+        output.WriteMessage((global::Google.Protobuf.WellKnownTypes.BytesValue) oneofField_);
+      }
+    }
+
+    public int CalculateSize() {
+      int size = 0;
+      if (oneofFieldCase_ == OneofFieldOneofCase.AnyField) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(AnyField);
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.ApiField) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(ApiField);
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.DurationField) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(DurationField);
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.EmptyField) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(EmptyField);
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.FieldMaskField) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(FieldMaskField);
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.SourceContextField) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(SourceContextField);
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.StructField) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(StructField);
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.TimestampField) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(TimestampField);
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.TypeField) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(TypeField);
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.DoubleField) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(((global::Google.Protobuf.WellKnownTypes.DoubleValue) oneofField_));
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.FloatField) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(((global::Google.Protobuf.WellKnownTypes.FloatValue) oneofField_));
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.Int64Field) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(((global::Google.Protobuf.WellKnownTypes.Int64Value) oneofField_));
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.Uint64Field) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(((global::Google.Protobuf.WellKnownTypes.UInt64Value) oneofField_));
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.Int32Field) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(((global::Google.Protobuf.WellKnownTypes.Int32Value) oneofField_));
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.Uint32Field) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(((global::Google.Protobuf.WellKnownTypes.UInt32Value) oneofField_));
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.BoolField) {
+        size += 2 + pb::CodedOutputStream.ComputeMessageSize(((global::Google.Protobuf.WellKnownTypes.BoolValue) oneofField_));
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.StringField) {
+        size += 2 + pb::CodedOutputStream.ComputeMessageSize(((global::Google.Protobuf.WellKnownTypes.StringValue) oneofField_));
+      }
+      if (oneofFieldCase_ == OneofFieldOneofCase.BytesField) {
+        size += 2 + pb::CodedOutputStream.ComputeMessageSize(((global::Google.Protobuf.WellKnownTypes.BytesValue) oneofField_));
+      }
+      return size;
+    }
+
+    public void MergeFrom(OneofWellKnownTypes other) {
+      if (other == null) {
+        return;
+      }
+      switch (other.OneofFieldCase) {
+        case OneofFieldOneofCase.AnyField:
+          AnyField = other.AnyField;
+          break;
+        case OneofFieldOneofCase.ApiField:
+          ApiField = other.ApiField;
+          break;
+        case OneofFieldOneofCase.DurationField:
+          DurationField = other.DurationField;
+          break;
+        case OneofFieldOneofCase.EmptyField:
+          EmptyField = other.EmptyField;
+          break;
+        case OneofFieldOneofCase.FieldMaskField:
+          FieldMaskField = other.FieldMaskField;
+          break;
+        case OneofFieldOneofCase.SourceContextField:
+          SourceContextField = other.SourceContextField;
+          break;
+        case OneofFieldOneofCase.StructField:
+          StructField = other.StructField;
+          break;
+        case OneofFieldOneofCase.TimestampField:
+          TimestampField = other.TimestampField;
+          break;
+        case OneofFieldOneofCase.TypeField:
+          TypeField = other.TypeField;
+          break;
+        case OneofFieldOneofCase.DoubleField:
+          DoubleField = other.DoubleField;
+          break;
+        case OneofFieldOneofCase.FloatField:
+          FloatField = other.FloatField;
+          break;
+        case OneofFieldOneofCase.Int64Field:
+          Int64Field = other.Int64Field;
+          break;
+        case OneofFieldOneofCase.Uint64Field:
+          Uint64Field = other.Uint64Field;
+          break;
+        case OneofFieldOneofCase.Int32Field:
+          Int32Field = other.Int32Field;
+          break;
+        case OneofFieldOneofCase.Uint32Field:
+          Uint32Field = other.Uint32Field;
+          break;
+        case OneofFieldOneofCase.BoolField:
+          BoolField = other.BoolField;
+          break;
+        case OneofFieldOneofCase.StringField:
+          StringField = other.StringField;
+          break;
+        case OneofFieldOneofCase.BytesField:
+          BytesField = other.BytesField;
+          break;
+      }
+
+    }
+
+    public void MergeFrom(pb::CodedInputStream input) {
+      uint tag;
+      while (input.ReadTag(out tag)) {
+        switch(tag) {
+          case 0:
+            throw pb::InvalidProtocolBufferException.InvalidTag();
+          default:
+            if (pb::WireFormat.IsEndGroupTag(tag)) {
+              return;
+            }
+            break;
+          case 10: {
+            global::Google.Protobuf.WellKnownTypes.Any subBuilder = new global::Google.Protobuf.WellKnownTypes.Any();
+            if (oneofFieldCase_ == OneofFieldOneofCase.AnyField) {
+              subBuilder.MergeFrom(AnyField);
+            }
+            input.ReadMessage(subBuilder);
+            AnyField = subBuilder;
+            break;
+          }
+          case 18: {
+            global::Google.Protobuf.WellKnownTypes.Api subBuilder = new global::Google.Protobuf.WellKnownTypes.Api();
+            if (oneofFieldCase_ == OneofFieldOneofCase.ApiField) {
+              subBuilder.MergeFrom(ApiField);
+            }
+            input.ReadMessage(subBuilder);
+            ApiField = subBuilder;
+            break;
+          }
+          case 26: {
+            global::Google.Protobuf.WellKnownTypes.Duration subBuilder = new global::Google.Protobuf.WellKnownTypes.Duration();
+            if (oneofFieldCase_ == OneofFieldOneofCase.DurationField) {
+              subBuilder.MergeFrom(DurationField);
+            }
+            input.ReadMessage(subBuilder);
+            DurationField = subBuilder;
+            break;
+          }
+          case 34: {
+            global::Google.Protobuf.WellKnownTypes.Empty subBuilder = new global::Google.Protobuf.WellKnownTypes.Empty();
+            if (oneofFieldCase_ == OneofFieldOneofCase.EmptyField) {
+              subBuilder.MergeFrom(EmptyField);
+            }
+            input.ReadMessage(subBuilder);
+            EmptyField = subBuilder;
+            break;
+          }
+          case 42: {
+            global::Google.Protobuf.WellKnownTypes.FieldMask subBuilder = new global::Google.Protobuf.WellKnownTypes.FieldMask();
+            if (oneofFieldCase_ == OneofFieldOneofCase.FieldMaskField) {
+              subBuilder.MergeFrom(FieldMaskField);
+            }
+            input.ReadMessage(subBuilder);
+            FieldMaskField = subBuilder;
+            break;
+          }
+          case 50: {
+            global::Google.Protobuf.WellKnownTypes.SourceContext subBuilder = new global::Google.Protobuf.WellKnownTypes.SourceContext();
+            if (oneofFieldCase_ == OneofFieldOneofCase.SourceContextField) {
+              subBuilder.MergeFrom(SourceContextField);
+            }
+            input.ReadMessage(subBuilder);
+            SourceContextField = subBuilder;
+            break;
+          }
+          case 58: {
+            global::Google.Protobuf.WellKnownTypes.Struct subBuilder = new global::Google.Protobuf.WellKnownTypes.Struct();
+            if (oneofFieldCase_ == OneofFieldOneofCase.StructField) {
+              subBuilder.MergeFrom(StructField);
+            }
+            input.ReadMessage(subBuilder);
+            StructField = subBuilder;
+            break;
+          }
+          case 66: {
+            global::Google.Protobuf.WellKnownTypes.Timestamp subBuilder = new global::Google.Protobuf.WellKnownTypes.Timestamp();
+            if (oneofFieldCase_ == OneofFieldOneofCase.TimestampField) {
+              subBuilder.MergeFrom(TimestampField);
+            }
+            input.ReadMessage(subBuilder);
+            TimestampField = subBuilder;
+            break;
+          }
+          case 74: {
+            global::Google.Protobuf.WellKnownTypes.Type subBuilder = new global::Google.Protobuf.WellKnownTypes.Type();
+            if (oneofFieldCase_ == OneofFieldOneofCase.TypeField) {
+              subBuilder.MergeFrom(TypeField);
+            }
+            input.ReadMessage(subBuilder);
+            TypeField = subBuilder;
+            break;
+          }
+          case 82: {
+            global::Google.Protobuf.WellKnownTypes.DoubleValue subBuilder = new global::Google.Protobuf.WellKnownTypes.DoubleValue();
+            if (oneofFieldCase_ == OneofFieldOneofCase.DoubleField) {
+              subBuilder.MergeFrom((global::Google.Protobuf.WellKnownTypes.DoubleValue) oneofField_);
+            }
+            input.ReadMessage(subBuilder);
+            oneofFieldCase_ = OneofFieldOneofCase.DoubleField;
+            oneofField_ = subBuilder;
+            break;
+          }
+          case 90: {
+            global::Google.Protobuf.WellKnownTypes.FloatValue subBuilder = new global::Google.Protobuf.WellKnownTypes.FloatValue();
+            if (oneofFieldCase_ == OneofFieldOneofCase.FloatField) {
+              subBuilder.MergeFrom((global::Google.Protobuf.WellKnownTypes.FloatValue) oneofField_);
+            }
+            input.ReadMessage(subBuilder);
+            oneofFieldCase_ = OneofFieldOneofCase.FloatField;
+            oneofField_ = subBuilder;
+            break;
+          }
+          case 98: {
+            global::Google.Protobuf.WellKnownTypes.Int64Value subBuilder = new global::Google.Protobuf.WellKnownTypes.Int64Value();
+            if (oneofFieldCase_ == OneofFieldOneofCase.Int64Field) {
+              subBuilder.MergeFrom((global::Google.Protobuf.WellKnownTypes.Int64Value) oneofField_);
+            }
+            input.ReadMessage(subBuilder);
+            oneofFieldCase_ = OneofFieldOneofCase.Int64Field;
+            oneofField_ = subBuilder;
+            break;
+          }
+          case 106: {
+            global::Google.Protobuf.WellKnownTypes.UInt64Value subBuilder = new global::Google.Protobuf.WellKnownTypes.UInt64Value();
+            if (oneofFieldCase_ == OneofFieldOneofCase.Uint64Field) {
+              subBuilder.MergeFrom((global::Google.Protobuf.WellKnownTypes.UInt64Value) oneofField_);
+            }
+            input.ReadMessage(subBuilder);
+            oneofFieldCase_ = OneofFieldOneofCase.Uint64Field;
+            oneofField_ = subBuilder;
+            break;
+          }
+          case 114: {
+            global::Google.Protobuf.WellKnownTypes.Int32Value subBuilder = new global::Google.Protobuf.WellKnownTypes.Int32Value();
+            if (oneofFieldCase_ == OneofFieldOneofCase.Int32Field) {
+              subBuilder.MergeFrom((global::Google.Protobuf.WellKnownTypes.Int32Value) oneofField_);
+            }
+            input.ReadMessage(subBuilder);
+            oneofFieldCase_ = OneofFieldOneofCase.Int32Field;
+            oneofField_ = subBuilder;
+            break;
+          }
+          case 122: {
+            global::Google.Protobuf.WellKnownTypes.UInt32Value subBuilder = new global::Google.Protobuf.WellKnownTypes.UInt32Value();
+            if (oneofFieldCase_ == OneofFieldOneofCase.Uint32Field) {
+              subBuilder.MergeFrom((global::Google.Protobuf.WellKnownTypes.UInt32Value) oneofField_);
+            }
+            input.ReadMessage(subBuilder);
+            oneofFieldCase_ = OneofFieldOneofCase.Uint32Field;
+            oneofField_ = subBuilder;
+            break;
+          }
+          case 130: {
+            global::Google.Protobuf.WellKnownTypes.BoolValue subBuilder = new global::Google.Protobuf.WellKnownTypes.BoolValue();
+            if (oneofFieldCase_ == OneofFieldOneofCase.BoolField) {
+              subBuilder.MergeFrom((global::Google.Protobuf.WellKnownTypes.BoolValue) oneofField_);
+            }
+            input.ReadMessage(subBuilder);
+            oneofFieldCase_ = OneofFieldOneofCase.BoolField;
+            oneofField_ = subBuilder;
+            break;
+          }
+          case 138: {
+            global::Google.Protobuf.WellKnownTypes.StringValue subBuilder = new global::Google.Protobuf.WellKnownTypes.StringValue();
+            if (oneofFieldCase_ == OneofFieldOneofCase.StringField) {
+              subBuilder.MergeFrom((global::Google.Protobuf.WellKnownTypes.StringValue) oneofField_);
+            }
+            input.ReadMessage(subBuilder);
+            oneofFieldCase_ = OneofFieldOneofCase.StringField;
+            oneofField_ = subBuilder;
+            break;
+          }
+          case 146: {
+            global::Google.Protobuf.WellKnownTypes.BytesValue subBuilder = new global::Google.Protobuf.WellKnownTypes.BytesValue();
+            if (oneofFieldCase_ == OneofFieldOneofCase.BytesField) {
+              subBuilder.MergeFrom((global::Google.Protobuf.WellKnownTypes.BytesValue) oneofField_);
+            }
+            input.ReadMessage(subBuilder);
+            oneofFieldCase_ = OneofFieldOneofCase.BytesField;
+            oneofField_ = subBuilder;
+            break;
+          }
+        }
+      }
+    }
+
+  }
+
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public sealed partial class MapWellKnownTypes : pb::IMessage<MapWellKnownTypes> {
+    private static readonly pb::MessageParser<MapWellKnownTypes> _parser = new pb::MessageParser<MapWellKnownTypes>(() => new MapWellKnownTypes());
+    public static pb::MessageParser<MapWellKnownTypes> Parser { get { return _parser; } }
+
+    private static readonly string[] _fieldNames = new string[] { "any_field", "api_field", "bool_field", "bytes_field", "double_field", "duration_field", "empty_field", "field_mask_field", "float_field", "int32_field", "int64_field", "source_context_field", "string_field", "struct_field", "timestamp_field", "type_field", "uint32_field", "uint64_field" };
+    private static readonly uint[] _fieldTags = new uint[] { 10, 18, 130, 146, 82, 26, 34, 42, 90, 114, 98, 50, 138, 58, 66, 74, 122, 106 };
+    public static pbr::MessageDescriptor Descriptor {
+      get { return global::Google.Protobuf.TestProtos.UnittestWellKnownTypes.Descriptor.MessageTypes[3]; }
+    }
+
+    pbr::FieldAccessorTable pb::IReflectedMessage.Fields {
+      get { return global::Google.Protobuf.TestProtos.UnittestWellKnownTypes.internal__static_protobuf_unittest_MapWellKnownTypes__FieldAccessorTable; }
+    }
+
+    private bool _frozen = false;
+    public bool IsFrozen { get { return _frozen; } }
+
+    public MapWellKnownTypes() {
+      OnConstruction();
+    }
+
+    partial void OnConstruction();
+
+    public MapWellKnownTypes(MapWellKnownTypes other) : this() {
+      anyField_ = other.anyField_.Clone();
+      apiField_ = other.apiField_.Clone();
+      durationField_ = other.durationField_.Clone();
+      emptyField_ = other.emptyField_.Clone();
+      fieldMaskField_ = other.fieldMaskField_.Clone();
+      sourceContextField_ = other.sourceContextField_.Clone();
+      structField_ = other.structField_.Clone();
+      timestampField_ = other.timestampField_.Clone();
+      typeField_ = other.typeField_.Clone();
+      doubleField_ = other.doubleField_.Clone();
+      floatField_ = other.floatField_.Clone();
+      int64Field_ = other.int64Field_.Clone();
+      uint64Field_ = other.uint64Field_.Clone();
+      int32Field_ = other.int32Field_.Clone();
+      uint32Field_ = other.uint32Field_.Clone();
+      boolField_ = other.boolField_.Clone();
+      stringField_ = other.stringField_.Clone();
+      bytesField_ = other.bytesField_.Clone();
+    }
+
+    public MapWellKnownTypes Clone() {
+      return new MapWellKnownTypes(this);
+    }
+
+    public void Freeze() {
+      if (IsFrozen) {
+        return;
+      }
+      _frozen = true;
+      anyField_.Freeze();
+      apiField_.Freeze();
+      durationField_.Freeze();
+      emptyField_.Freeze();
+      fieldMaskField_.Freeze();
+      sourceContextField_.Freeze();
+      structField_.Freeze();
+      timestampField_.Freeze();
+      typeField_.Freeze();
+      doubleField_.Freeze();
+      floatField_.Freeze();
+      int64Field_.Freeze();
+      uint64Field_.Freeze();
+      int32Field_.Freeze();
+      uint32Field_.Freeze();
+      boolField_.Freeze();
+      stringField_.Freeze();
+      bytesField_.Freeze();
+    }
+
+    public const int AnyFieldFieldNumber = 1;
+    private static readonly pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Any>.Codec _map_anyField_codec
+        = new pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Any>.Codec(pb::FieldCodec.ForInt32(8), pb::FieldCodec.ForMessage(18, global::Google.Protobuf.WellKnownTypes.Any.Parser), 10);
+    private readonly pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Any> anyField_ = new pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Any>();
+    public pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Any> AnyField {
+      get { return anyField_; }
+    }
+
+    public const int ApiFieldFieldNumber = 2;
+    private static readonly pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Api>.Codec _map_apiField_codec
+        = new pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Api>.Codec(pb::FieldCodec.ForInt32(8), pb::FieldCodec.ForMessage(18, global::Google.Protobuf.WellKnownTypes.Api.Parser), 18);
+    private readonly pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Api> apiField_ = new pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Api>();
+    public pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Api> ApiField {
+      get { return apiField_; }
+    }
+
+    public const int DurationFieldFieldNumber = 3;
+    private static readonly pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Duration>.Codec _map_durationField_codec
+        = new pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Duration>.Codec(pb::FieldCodec.ForInt32(8), pb::FieldCodec.ForMessage(18, global::Google.Protobuf.WellKnownTypes.Duration.Parser), 26);
+    private readonly pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Duration> durationField_ = new pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Duration>();
+    public pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Duration> DurationField {
+      get { return durationField_; }
+    }
+
+    public const int EmptyFieldFieldNumber = 4;
+    private static readonly pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Empty>.Codec _map_emptyField_codec
+        = new pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Empty>.Codec(pb::FieldCodec.ForInt32(8), pb::FieldCodec.ForMessage(18, global::Google.Protobuf.WellKnownTypes.Empty.Parser), 34);
+    private readonly pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Empty> emptyField_ = new pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Empty>();
+    public pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Empty> EmptyField {
+      get { return emptyField_; }
+    }
+
+    public const int FieldMaskFieldFieldNumber = 5;
+    private static readonly pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.FieldMask>.Codec _map_fieldMaskField_codec
+        = new pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.FieldMask>.Codec(pb::FieldCodec.ForInt32(8), pb::FieldCodec.ForMessage(18, global::Google.Protobuf.WellKnownTypes.FieldMask.Parser), 42);
+    private readonly pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.FieldMask> fieldMaskField_ = new pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.FieldMask>();
+    public pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.FieldMask> FieldMaskField {
+      get { return fieldMaskField_; }
+    }
+
+    public const int SourceContextFieldFieldNumber = 6;
+    private static readonly pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.SourceContext>.Codec _map_sourceContextField_codec
+        = new pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.SourceContext>.Codec(pb::FieldCodec.ForInt32(8), pb::FieldCodec.ForMessage(18, global::Google.Protobuf.WellKnownTypes.SourceContext.Parser), 50);
+    private readonly pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.SourceContext> sourceContextField_ = new pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.SourceContext>();
+    public pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.SourceContext> SourceContextField {
+      get { return sourceContextField_; }
+    }
+
+    public const int StructFieldFieldNumber = 7;
+    private static readonly pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Struct>.Codec _map_structField_codec
+        = new pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Struct>.Codec(pb::FieldCodec.ForInt32(8), pb::FieldCodec.ForMessage(18, global::Google.Protobuf.WellKnownTypes.Struct.Parser), 58);
+    private readonly pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Struct> structField_ = new pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Struct>();
+    public pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Struct> StructField {
+      get { return structField_; }
+    }
+
+    public const int TimestampFieldFieldNumber = 8;
+    private static readonly pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Timestamp>.Codec _map_timestampField_codec
+        = new pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Timestamp>.Codec(pb::FieldCodec.ForInt32(8), pb::FieldCodec.ForMessage(18, global::Google.Protobuf.WellKnownTypes.Timestamp.Parser), 66);
+    private readonly pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Timestamp> timestampField_ = new pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Timestamp>();
+    public pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Timestamp> TimestampField {
+      get { return timestampField_; }
+    }
+
+    public const int TypeFieldFieldNumber = 9;
+    private static readonly pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Type>.Codec _map_typeField_codec
+        = new pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Type>.Codec(pb::FieldCodec.ForInt32(8), pb::FieldCodec.ForMessage(18, global::Google.Protobuf.WellKnownTypes.Type.Parser), 74);
+    private readonly pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Type> typeField_ = new pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Type>();
+    public pbc::MapField<int, global::Google.Protobuf.WellKnownTypes.Type> TypeField {
+      get { return typeField_; }
+    }
+
+    public const int DoubleFieldFieldNumber = 10;
+    private static readonly pbc::MapField<int, double?>.Codec _map_doubleField_codec
+        = new pbc::MapField<int, double?>.Codec(pb::FieldCodec.ForInt32(8), pb::FieldCodec.ForWrapperType<double?, global::Google.Protobuf.WellKnownTypes.DoubleValue>(18, global::Google.Protobuf.WellKnownTypes.DoubleValue.Parser), 82);
+    private readonly pbc::MapField<int, double?> doubleField_ = new pbc::MapField<int, double?>();
+    public pbc::MapField<int, double?> DoubleField {
+      get { return doubleField_; }
+    }
+
+    public const int FloatFieldFieldNumber = 11;
+    private static readonly pbc::MapField<int, float?>.Codec _map_floatField_codec
+        = new pbc::MapField<int, float?>.Codec(pb::FieldCodec.ForInt32(8), pb::FieldCodec.ForWrapperType<float?, global::Google.Protobuf.WellKnownTypes.FloatValue>(18, global::Google.Protobuf.WellKnownTypes.FloatValue.Parser), 90);
+    private readonly pbc::MapField<int, float?> floatField_ = new pbc::MapField<int, float?>();
+    public pbc::MapField<int, float?> FloatField {
+      get { return floatField_; }
+    }
+
+    public const int Int64FieldFieldNumber = 12;
+    private static readonly pbc::MapField<int, long?>.Codec _map_int64Field_codec
+        = new pbc::MapField<int, long?>.Codec(pb::FieldCodec.ForInt32(8), pb::FieldCodec.ForWrapperType<long?, global::Google.Protobuf.WellKnownTypes.Int64Value>(18, global::Google.Protobuf.WellKnownTypes.Int64Value.Parser), 98);
+    private readonly pbc::MapField<int, long?> int64Field_ = new pbc::MapField<int, long?>();
+    public pbc::MapField<int, long?> Int64Field {
+      get { return int64Field_; }
+    }
+
+    public const int Uint64FieldFieldNumber = 13;
+    private static readonly pbc::MapField<int, ulong?>.Codec _map_uint64Field_codec
+        = new pbc::MapField<int, ulong?>.Codec(pb::FieldCodec.ForInt32(8), pb::FieldCodec.ForWrapperType<ulong?, global::Google.Protobuf.WellKnownTypes.UInt64Value>(18, global::Google.Protobuf.WellKnownTypes.UInt64Value.Parser), 106);
+    private readonly pbc::MapField<int, ulong?> uint64Field_ = new pbc::MapField<int, ulong?>();
+    public pbc::MapField<int, ulong?> Uint64Field {
+      get { return uint64Field_; }
+    }
+
+    public const int Int32FieldFieldNumber = 14;
+    private static readonly pbc::MapField<int, int?>.Codec _map_int32Field_codec
+        = new pbc::MapField<int, int?>.Codec(pb::FieldCodec.ForInt32(8), pb::FieldCodec.ForWrapperType<int?, global::Google.Protobuf.WellKnownTypes.Int32Value>(18, global::Google.Protobuf.WellKnownTypes.Int32Value.Parser), 114);
+    private readonly pbc::MapField<int, int?> int32Field_ = new pbc::MapField<int, int?>();
+    public pbc::MapField<int, int?> Int32Field {
+      get { return int32Field_; }
+    }
+
+    public const int Uint32FieldFieldNumber = 15;
+    private static readonly pbc::MapField<int, uint?>.Codec _map_uint32Field_codec
+        = new pbc::MapField<int, uint?>.Codec(pb::FieldCodec.ForInt32(8), pb::FieldCodec.ForWrapperType<uint?, global::Google.Protobuf.WellKnownTypes.UInt32Value>(18, global::Google.Protobuf.WellKnownTypes.UInt32Value.Parser), 122);
+    private readonly pbc::MapField<int, uint?> uint32Field_ = new pbc::MapField<int, uint?>();
+    public pbc::MapField<int, uint?> Uint32Field {
+      get { return uint32Field_; }
+    }
+
+    public const int BoolFieldFieldNumber = 16;
+    private static readonly pbc::MapField<int, bool?>.Codec _map_boolField_codec
+        = new pbc::MapField<int, bool?>.Codec(pb::FieldCodec.ForInt32(8), pb::FieldCodec.ForWrapperType<bool?, global::Google.Protobuf.WellKnownTypes.BoolValue>(18, global::Google.Protobuf.WellKnownTypes.BoolValue.Parser), 130);
+    private readonly pbc::MapField<int, bool?> boolField_ = new pbc::MapField<int, bool?>();
+    public pbc::MapField<int, bool?> BoolField {
+      get { return boolField_; }
+    }
+
+    public const int StringFieldFieldNumber = 17;
+    private static readonly pbc::MapField<int, string>.Codec _map_stringField_codec
+        = new pbc::MapField<int, string>.Codec(pb::FieldCodec.ForInt32(8), pb::FieldCodec.ForWrapperType<string, global::Google.Protobuf.WellKnownTypes.StringValue>(18, global::Google.Protobuf.WellKnownTypes.StringValue.Parser), 138);
+    private readonly pbc::MapField<int, string> stringField_ = new pbc::MapField<int, string>();
+    public pbc::MapField<int, string> StringField {
+      get { return stringField_; }
+    }
+
+    public const int BytesFieldFieldNumber = 18;
+    private static readonly pbc::MapField<int, pb::ByteString>.Codec _map_bytesField_codec
+        = new pbc::MapField<int, pb::ByteString>.Codec(pb::FieldCodec.ForInt32(8), pb::FieldCodec.ForWrapperType<pb::ByteString, global::Google.Protobuf.WellKnownTypes.BytesValue>(18, global::Google.Protobuf.WellKnownTypes.BytesValue.Parser), 146);
+    private readonly pbc::MapField<int, pb::ByteString> bytesField_ = new pbc::MapField<int, pb::ByteString>();
+    public pbc::MapField<int, pb::ByteString> BytesField {
+      get { return bytesField_; }
+    }
+
+    public override bool Equals(object other) {
+      return Equals(other as MapWellKnownTypes);
+    }
+
+    public bool Equals(MapWellKnownTypes other) {
+      if (ReferenceEquals(other, null)) {
+        return false;
+      }
+      if (ReferenceEquals(other, this)) {
+        return true;
+      }
+      if (!AnyField.Equals(other.AnyField)) return false;
+      if (!ApiField.Equals(other.ApiField)) return false;
+      if (!DurationField.Equals(other.DurationField)) return false;
+      if (!EmptyField.Equals(other.EmptyField)) return false;
+      if (!FieldMaskField.Equals(other.FieldMaskField)) return false;
+      if (!SourceContextField.Equals(other.SourceContextField)) return false;
+      if (!StructField.Equals(other.StructField)) return false;
+      if (!TimestampField.Equals(other.TimestampField)) return false;
+      if (!TypeField.Equals(other.TypeField)) return false;
+      if (!DoubleField.Equals(other.DoubleField)) return false;
+      if (!FloatField.Equals(other.FloatField)) return false;
+      if (!Int64Field.Equals(other.Int64Field)) return false;
+      if (!Uint64Field.Equals(other.Uint64Field)) return false;
+      if (!Int32Field.Equals(other.Int32Field)) return false;
+      if (!Uint32Field.Equals(other.Uint32Field)) return false;
+      if (!BoolField.Equals(other.BoolField)) return false;
+      if (!StringField.Equals(other.StringField)) return false;
+      if (!BytesField.Equals(other.BytesField)) return false;
+      return true;
+    }
+
+    public override int GetHashCode() {
+      int hash = 1;
+      hash ^= AnyField.GetHashCode();
+      hash ^= ApiField.GetHashCode();
+      hash ^= DurationField.GetHashCode();
+      hash ^= EmptyField.GetHashCode();
+      hash ^= FieldMaskField.GetHashCode();
+      hash ^= SourceContextField.GetHashCode();
+      hash ^= StructField.GetHashCode();
+      hash ^= TimestampField.GetHashCode();
+      hash ^= TypeField.GetHashCode();
+      hash ^= DoubleField.GetHashCode();
+      hash ^= FloatField.GetHashCode();
+      hash ^= Int64Field.GetHashCode();
+      hash ^= Uint64Field.GetHashCode();
+      hash ^= Int32Field.GetHashCode();
+      hash ^= Uint32Field.GetHashCode();
+      hash ^= BoolField.GetHashCode();
+      hash ^= StringField.GetHashCode();
+      hash ^= BytesField.GetHashCode();
+      return hash;
+    }
+
+    public override string ToString() {
+      return pb::JsonFormatter.Default.Format(this);
+    }
+
+    public void WriteTo(pb::CodedOutputStream output) {
+      anyField_.WriteTo(output, _map_anyField_codec);
+      apiField_.WriteTo(output, _map_apiField_codec);
+      durationField_.WriteTo(output, _map_durationField_codec);
+      emptyField_.WriteTo(output, _map_emptyField_codec);
+      fieldMaskField_.WriteTo(output, _map_fieldMaskField_codec);
+      sourceContextField_.WriteTo(output, _map_sourceContextField_codec);
+      structField_.WriteTo(output, _map_structField_codec);
+      timestampField_.WriteTo(output, _map_timestampField_codec);
+      typeField_.WriteTo(output, _map_typeField_codec);
+      doubleField_.WriteTo(output, _map_doubleField_codec);
+      floatField_.WriteTo(output, _map_floatField_codec);
+      int64Field_.WriteTo(output, _map_int64Field_codec);
+      uint64Field_.WriteTo(output, _map_uint64Field_codec);
+      int32Field_.WriteTo(output, _map_int32Field_codec);
+      uint32Field_.WriteTo(output, _map_uint32Field_codec);
+      boolField_.WriteTo(output, _map_boolField_codec);
+      stringField_.WriteTo(output, _map_stringField_codec);
+      bytesField_.WriteTo(output, _map_bytesField_codec);
+    }
+
+    public int CalculateSize() {
+      int size = 0;
+      size += anyField_.CalculateSize(_map_anyField_codec);
+      size += apiField_.CalculateSize(_map_apiField_codec);
+      size += durationField_.CalculateSize(_map_durationField_codec);
+      size += emptyField_.CalculateSize(_map_emptyField_codec);
+      size += fieldMaskField_.CalculateSize(_map_fieldMaskField_codec);
+      size += sourceContextField_.CalculateSize(_map_sourceContextField_codec);
+      size += structField_.CalculateSize(_map_structField_codec);
+      size += timestampField_.CalculateSize(_map_timestampField_codec);
+      size += typeField_.CalculateSize(_map_typeField_codec);
+      size += doubleField_.CalculateSize(_map_doubleField_codec);
+      size += floatField_.CalculateSize(_map_floatField_codec);
+      size += int64Field_.CalculateSize(_map_int64Field_codec);
+      size += uint64Field_.CalculateSize(_map_uint64Field_codec);
+      size += int32Field_.CalculateSize(_map_int32Field_codec);
+      size += uint32Field_.CalculateSize(_map_uint32Field_codec);
+      size += boolField_.CalculateSize(_map_boolField_codec);
+      size += stringField_.CalculateSize(_map_stringField_codec);
+      size += bytesField_.CalculateSize(_map_bytesField_codec);
+      return size;
+    }
+
+    public void MergeFrom(MapWellKnownTypes other) {
+      if (other == null) {
+        return;
+      }
+      anyField_.Add(other.anyField_);
+      apiField_.Add(other.apiField_);
+      durationField_.Add(other.durationField_);
+      emptyField_.Add(other.emptyField_);
+      fieldMaskField_.Add(other.fieldMaskField_);
+      sourceContextField_.Add(other.sourceContextField_);
+      structField_.Add(other.structField_);
+      timestampField_.Add(other.timestampField_);
+      typeField_.Add(other.typeField_);
+      doubleField_.Add(other.doubleField_);
+      floatField_.Add(other.floatField_);
+      int64Field_.Add(other.int64Field_);
+      uint64Field_.Add(other.uint64Field_);
+      int32Field_.Add(other.int32Field_);
+      uint32Field_.Add(other.uint32Field_);
+      boolField_.Add(other.boolField_);
+      stringField_.Add(other.stringField_);
+      bytesField_.Add(other.bytesField_);
+    }
+
+    public void MergeFrom(pb::CodedInputStream input) {
+      uint tag;
+      while (input.ReadTag(out tag)) {
+        switch(tag) {
+          case 0:
+            throw pb::InvalidProtocolBufferException.InvalidTag();
+          default:
+            if (pb::WireFormat.IsEndGroupTag(tag)) {
+              return;
+            }
+            break;
+          case 10: {
+            anyField_.AddEntriesFrom(input, _map_anyField_codec);
+            break;
+          }
+          case 18: {
+            apiField_.AddEntriesFrom(input, _map_apiField_codec);
+            break;
+          }
+          case 26: {
+            durationField_.AddEntriesFrom(input, _map_durationField_codec);
+            break;
+          }
+          case 34: {
+            emptyField_.AddEntriesFrom(input, _map_emptyField_codec);
+            break;
+          }
+          case 42: {
+            fieldMaskField_.AddEntriesFrom(input, _map_fieldMaskField_codec);
+            break;
+          }
+          case 50: {
+            sourceContextField_.AddEntriesFrom(input, _map_sourceContextField_codec);
+            break;
+          }
+          case 58: {
+            structField_.AddEntriesFrom(input, _map_structField_codec);
+            break;
+          }
+          case 66: {
+            timestampField_.AddEntriesFrom(input, _map_timestampField_codec);
+            break;
+          }
+          case 74: {
+            typeField_.AddEntriesFrom(input, _map_typeField_codec);
+            break;
+          }
+          case 82: {
+            doubleField_.AddEntriesFrom(input, _map_doubleField_codec);
+            break;
+          }
+          case 90: {
+            floatField_.AddEntriesFrom(input, _map_floatField_codec);
+            break;
+          }
+          case 98: {
+            int64Field_.AddEntriesFrom(input, _map_int64Field_codec);
+            break;
+          }
+          case 106: {
+            uint64Field_.AddEntriesFrom(input, _map_uint64Field_codec);
+            break;
+          }
+          case 114: {
+            int32Field_.AddEntriesFrom(input, _map_int32Field_codec);
+            break;
+          }
+          case 122: {
+            uint32Field_.AddEntriesFrom(input, _map_uint32Field_codec);
+            break;
+          }
+          case 130: {
+            boolField_.AddEntriesFrom(input, _map_boolField_codec);
+            break;
+          }
+          case 138: {
+            stringField_.AddEntriesFrom(input, _map_stringField_codec);
+            break;
+          }
+          case 146: {
+            bytesField_.AddEntriesFrom(input, _map_bytesField_codec);
+            break;
+          }
+        }
+      }
+    }
+
+  }
+
+  #endregion
+
+}
+
+#endregion Designer generated code
diff --git a/csharp/src/ProtocolBuffers.Test/WellKnownTypes/WrappersTest.cs b/csharp/src/ProtocolBuffers.Test/WellKnownTypes/WrappersTest.cs
new file mode 100644
index 00000000..185a277c
--- /dev/null
+++ b/csharp/src/ProtocolBuffers.Test/WellKnownTypes/WrappersTest.cs
@@ -0,0 +1,85 @@
+#region Copyright notice and license
+// Protocol Buffers - Google's data interchange format
+// Copyright 2015 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// 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 Google.Protobuf.TestProtos;
+using NUnit.Framework;
+
+namespace Google.Protobuf.WellKnownTypes
+{
+    public class WrappersTest
+    {
+        [Test]
+        public void NullIsDefault()
+        {
+            var message = new TestWellKnownTypes();
+            Assert.IsNull(message.StringField);
+            Assert.IsNull(message.BytesField);
+            Assert.IsNull(message.BoolField);
+            Assert.IsNull(message.FloatField);
+            Assert.IsNull(message.DoubleField);
+            Assert.IsNull(message.Int32Field);
+            Assert.IsNull(message.Int64Field);
+            Assert.IsNull(message.Uint32Field);
+            Assert.IsNull(message.Uint64Field);
+        }
+
+        [Test]
+        public void NonNullDefaultIsPreservedThroughSerialization()
+        {
+            var message = new TestWellKnownTypes
+            {
+                StringField = "",
+                BytesField = ByteString.Empty,
+                BoolField = false,
+                FloatField = 0f,
+                DoubleField = 0d,
+                Int32Field = 0,
+                Int64Field = 0,
+                Uint32Field = 0,
+                Uint64Field = 0
+            };
+
+            var bytes = message.ToByteArray();
+            var parsed = TestWellKnownTypes.Parser.ParseFrom(bytes);
+
+            Assert.AreEqual("", message.StringField);
+            Assert.AreEqual(ByteString.Empty, message.BytesField);
+            Assert.AreEqual(false, message.BoolField);
+            Assert.AreEqual(0f, message.FloatField);
+            Assert.AreEqual(0d, message.DoubleField);
+            Assert.AreEqual(0, message.Int32Field);
+            Assert.AreEqual(0L, message.Int64Field);
+            Assert.AreEqual(0U, message.Uint32Field);
+            Assert.AreEqual(0UL, message.Uint64Field);
+        }
+    }
+}