Add missing files to EXTRA_DIST.

Also delete some unused files.
diff --git a/Makefile.am b/Makefile.am
index 280ac2d..49ad640 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -92,6 +92,7 @@
   csharp/src/Google.Protobuf.Test/Properties/AssemblyInfo.cs                 \
   csharp/src/Google.Protobuf.Test/Reflection/DescriptorsTest.cs              \
   csharp/src/Google.Protobuf.Test/Reflection/FieldAccessTest.cs              \
+  csharp/src/Google.Protobuf.Test/Reflection/TypeRegistryTest.cs             \
   csharp/src/Google.Protobuf.Test/SampleEnum.cs                              \
   csharp/src/Google.Protobuf.Test/SampleMessages.cs                          \
   csharp/src/Google.Protobuf.Test/TestCornerCases.cs                         \
@@ -159,6 +160,7 @@
   csharp/src/Google.Protobuf/Reflection/RepeatedFieldAccessor.cs             \
   csharp/src/Google.Protobuf/Reflection/ServiceDescriptor.cs                 \
   csharp/src/Google.Protobuf/Reflection/SingleFieldAccessor.cs               \
+  csharp/src/Google.Protobuf/Reflection/TypeRegistry.cs                      \
   csharp/src/Google.Protobuf/WellKnownTypes/Any.cs                           \
   csharp/src/Google.Protobuf/WellKnownTypes/AnyPartial.cs                    \
   csharp/src/Google.Protobuf/WellKnownTypes/Api.cs                           \
@@ -172,8 +174,11 @@
   csharp/src/Google.Protobuf/WellKnownTypes/Timestamp.cs                     \
   csharp/src/Google.Protobuf/WellKnownTypes/TimestampPartial.cs              \
   csharp/src/Google.Protobuf/WellKnownTypes/Type.cs                          \
+  csharp/src/Google.Protobuf/WellKnownTypes/ValuePartial.cs                  \
   csharp/src/Google.Protobuf/WellKnownTypes/Wrappers.cs                      \
+  csharp/src/Google.Protobuf/WellKnownTypes/WrappersPartial.cs               \
   csharp/src/Google.Protobuf/WireFormat.cs                                   \
+  csharp/src/Google.Protobuf/packages.config                                 \
   csharp/src/packages/repositories.config
 
 java_EXTRA_DIST=                                                             \
@@ -652,7 +657,41 @@
   ruby/tests/generated_code_test.rb                                          \
   ruby/travis-test.sh
 
-all_EXTRA_DIST=$(csharp_EXTRA_DIST) $(java_EXTRA_DIST) $(javanano_EXTRA_DIST) $(objectivec_EXTRA_DIST) $(python_EXTRA_DIST) $(ruby_EXTRA_DIST)
+js_EXTRA_DIST=              \
+  js/README.md              \
+  js/binary/arith.js        \
+  js/binary/arith_test.js   \
+  js/binary/constants.js    \
+  js/binary/decoder.js      \
+  js/binary/decoder_test.js \
+  js/binary/proto_test.js   \
+  js/binary/reader.js       \
+  js/binary/reader_test.js  \
+  js/binary/utils.js        \
+  js/binary/utils_test.js   \
+  js/binary/writer.js       \
+  js/binary/writer_test.js  \
+  js/data.proto             \
+  js/debug.js               \
+  js/debug_test.js          \
+  js/gulpfile.js            \
+  js/jasmine.json           \
+  js/message.js             \
+  js/message_test.js        \
+  js/node_loader.js         \
+  js/package.json           \
+  js/proto3_test.js         \
+  js/proto3_test.proto      \
+  js/test.proto             \
+  js/test2.proto            \
+  js/test3.proto            \
+  js/test4.proto            \
+  js/test5.proto            \
+  js/test_bootstrap.js      \
+  js/testbinary.proto       \
+  js/testempty.proto
+
+all_EXTRA_DIST=$(csharp_EXTRA_DIST) $(java_EXTRA_DIST) $(javanano_EXTRA_DIST) $(objectivec_EXTRA_DIST) $(python_EXTRA_DIST) $(ruby_EXTRA_DIST) $(js_EXTRA_DIST)
 
 EXTRA_DIST = $(@DIST_LANG@_EXTRA_DIST)   \
   autogen.sh                             \
@@ -685,11 +724,18 @@
   examples/Makefile                      \
   examples/addressbook.proto             \
   examples/add_person.cc                 \
+  examples/add_person.go                 \
+  examples/add_person_test.go            \
   examples/list_people.cc                \
+  examples/list_people.go                \
   examples/AddPerson.java                \
   examples/ListPeople.java               \
   examples/add_person.py                 \
-  examples/list_people.py
+  examples/list_people.py                \
+  examples/list_people_test.go           \
+  protobuf.bzl                           \
+  six.BUILD                              \
+  util/python/BUILD
 
 # Deletes all the files generated by autogen.sh.
 MAINTAINERCLEANFILES =   \
diff --git a/configure.ac b/configure.ac
index 8606149..33a6c64 100644
--- a/configure.ac
+++ b/configure.ac
@@ -26,7 +26,7 @@
 AC_ARG_VAR(DIST_LANG, [language to include in the distribution package (i.e., make dist)])
 case "$DIST_LANG" in
   "") DIST_LANG=all ;;
-  all | cpp | csharp | java | python | javanano | objectivec | ruby) ;;
+  all | cpp | csharp | java | python | javanano | objectivec | ruby | js) ;;
   *) AC_MSG_FAILURE([unknown language: $DIST_LANG]) ;;
 esac
 AC_SUBST(DIST_LANG)
diff --git a/conformance/Makefile.am b/conformance/Makefile.am
index c3551a4..89d87d3 100644
--- a/conformance/Makefile.am
+++ b/conformance/Makefile.am
@@ -16,8 +16,27 @@
 
 bin_PROGRAMS = conformance-test-runner conformance-cpp
 
+# All source files excepet C++/Objective-C ones should be explicitly listed
+# here because the autoconf tools don't include files of other languages
+# automatically.
+EXTRA_DIST =                  \
+  ConformanceJava.java        \
+  README.md                   \
+  conformance.proto           \
+  conformance_python.py       \
+  conformance_ruby.rb         \
+  failure_list_cpp.txt        \
+  failure_list_csharp.txt     \
+  failure_list_java.txt       \
+  failure_list_objc.txt       \
+  failure_list_python.txt     \
+  failure_list_python_cpp.txt \
+  failure_list_ruby.txt
+
 conformance_test_runner_LDADD = $(top_srcdir)/src/libprotobuf.la
-conformance_test_runner_SOURCES = conformance_test.cc conformance_test_runner.cc \
+conformance_test_runner_SOURCES = conformance_test.h conformance_test.cc \
+                                  conformance_test_runner.cc             \
+                                  third_party/jsoncpp/json.h             \
                                   third_party/jsoncpp/jsoncpp.cpp
 nodist_conformance_test_runner_SOURCES = conformance.pb.cc
 conformance_test_runner_CPPFLAGS = -I$(top_srcdir)/src -I$(srcdir)
diff --git a/python/google/protobuf/util/__init__.py b/python/google/protobuf/util/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/python/google/protobuf/util/__init__.py
+++ /dev/null
diff --git a/python/setup.py b/python/setup.py
index 22f6e81..1e71a70 100755
--- a/python/setup.py
+++ b/python/setup.py
@@ -114,7 +114,8 @@
         filepath = os.path.join(dirpath, filename)
         if filepath.endswith("_pb2.py") or filepath.endswith(".pyc") or \
           filepath.endswith(".so") or filepath.endswith(".o") or \
-          filepath.endswith('google/protobuf/compiler/__init__.py'):
+          filepath.endswith('google/protobuf/compiler/__init__.py') or \
+          filepath.endswith('google/protobuf/util/__init__.py'):
           os.remove(filepath)
     # _clean is an old-style class, so super() doesn't work.
     _clean.run(self)
@@ -137,7 +138,7 @@
     GenerateUnittestProtos()
 
     # Make sure google.protobuf/** are valid packages.
-    for path in ['', 'internal/', 'compiler/', 'pyext/']:
+    for path in ['', 'internal/', 'compiler/', 'pyext/', 'util/']:
       try:
         open('google/protobuf/%s__init__.py' % path, 'a').close()
       except EnvironmentError:
diff --git a/src/Makefile.am b/src/Makefile.am
index d684c93..462eb3e 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -279,9 +279,7 @@
   google/protobuf/util/internal/protostream_objectwriter.h     \
   google/protobuf/util/internal/proto_writer.cc                \
   google/protobuf/util/internal/proto_writer.h                 \
-  google/protobuf/util/internal/snake2camel_objectwriter.h     \
   google/protobuf/util/internal/structured_objectwriter.h      \
-  google/protobuf/util/internal/testdata                       \
   google/protobuf/util/internal/type_info.cc                   \
   google/protobuf/util/internal/type_info.h                    \
   google/protobuf/util/internal/type_info_test_helper.cc       \
@@ -517,6 +515,7 @@
   google/protobuf/util/internal/testdata/struct.proto             \
   google/protobuf/util/internal/testdata/timestamp_duration.proto \
   google/protobuf/util/json_format_proto3.proto                   \
+  google/protobuf/util/message_differencer_unittest.proto         \
   google/protobuf/compiler/cpp/cpp_test_large_enum_value.proto
 
 EXTRA_DIST =                                                   \
@@ -628,7 +627,9 @@
   google/protobuf/util/internal/testdata/timestamp_duration.pb.cc \
   google/protobuf/util/internal/testdata/timestamp_duration.pb.h  \
   google/protobuf/util/json_format_proto3.pb.cc                   \
-  google/protobuf/util/json_format_proto3.pb.h
+  google/protobuf/util/json_format_proto3.pb.h                    \
+  google/protobuf/util/message_differencer_unittest.pb.cc         \
+  google/protobuf/util/message_differencer_unittest.pb.h
 
 BUILT_SOURCES = $(protoc_outputs)
 
@@ -741,6 +742,7 @@
   google/protobuf/util/internal/protostream_objectwriter_test.cc \
   google/protobuf/util/internal/type_info_test_helper.cc       \
   google/protobuf/util/json_util_test.cc                       \
+  google/protobuf/util/message_differencer_unittest.cc         \
   google/protobuf/util/time_util_test.cc                       \
   google/protobuf/util/type_resolver_util_test.cc              \
   $(COMMON_TEST_SOURCES)
diff --git a/src/google/protobuf/compiler/cpp/test_large_enum_value.proto b/src/google/protobuf/compiler/cpp/test_large_enum_value.proto
deleted file mode 100644
index cb6ca1b..0000000
--- a/src/google/protobuf/compiler/cpp/test_large_enum_value.proto
+++ /dev/null
@@ -1,43 +0,0 @@
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 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.
-
-// Test that proto2 compiler can generate valid code when the enum value
-// is INT_MAX. Note that this is a compile-only test and this proto is not
-// referenced in any C++ code.
-syntax = "proto2";
-
-package protobuf_unittest;
-
-message TestLargeEnumValue {
-  enum EnumWithLargeValue {
-    VALUE_1 = 1;
-    VALUE_MAX = 0x7fffffff;
-  }
-}
diff --git a/src/google/protobuf/util/internal/snake2camel_objectwriter.h b/src/google/protobuf/util/internal/snake2camel_objectwriter.h
deleted file mode 100644
index 9b4ab8a..0000000
--- a/src/google/protobuf/util/internal/snake2camel_objectwriter.h
+++ /dev/null
@@ -1,165 +0,0 @@
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 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.
-
-#ifndef GOOGLE_PROTOBUF_UTIL_CONVERTER_SNAKE2CAMEL_OBJECTWRITER_H__
-#define GOOGLE_PROTOBUF_UTIL_CONVERTER_SNAKE2CAMEL_OBJECTWRITER_H__
-
-#include <string>
-
-#include <google/protobuf/stubs/common.h>
-#include <google/protobuf/stubs/strutil.h>
-#include <google/protobuf/stubs/stringpiece.h>
-#include <google/protobuf/util/internal/object_writer.h>
-#include <google/protobuf/util/internal/utility.h>
-
-namespace google {
-namespace protobuf {
-namespace util {
-namespace converter {
-
-// Snake2CamelObjectWriter is an ObjectWriter than translates each field name
-// from snake_case to camelCase. Typical usage is:
-//     ProtoStreamObjectSource psos(...);
-//     JsonObjectWriter jow(...);
-//     Snake2CamelObjectWriter snake_to_camel(&jow);
-//     psos.writeTo(&snake_to_camel);
-class Snake2CamelObjectWriter : public ObjectWriter {
- public:
-  explicit Snake2CamelObjectWriter(ObjectWriter* ow)
-      : ow_(ow), normalize_case_(true) {}
-  virtual ~Snake2CamelObjectWriter() {}
-
-  // ObjectWriter methods.
-  virtual Snake2CamelObjectWriter* StartObject(StringPiece name) {
-    ow_->StartObject(name);
-    return this;
-  }
-
-  virtual Snake2CamelObjectWriter* EndObject() {
-    ow_->EndObject();
-    return this;
-  }
-
-  virtual Snake2CamelObjectWriter* StartList(StringPiece name) {
-    ow_->StartList(name);
-    return this;
-  }
-
-  virtual Snake2CamelObjectWriter* EndList() {
-    ow_->EndList();
-    return this;
-  }
-
-  virtual Snake2CamelObjectWriter* RenderBool(StringPiece name, bool value) {
-    ow_->RenderBool(name, value);
-    return this;
-  }
-
-  virtual Snake2CamelObjectWriter* RenderInt32(StringPiece name, int32 value) {
-    ow_->RenderInt32(name, value);
-    return this;
-  }
-
-  virtual Snake2CamelObjectWriter* RenderUint32(StringPiece name,
-                                                uint32 value) {
-    ow_->RenderUint32(name, value);
-    return this;
-  }
-
-  virtual Snake2CamelObjectWriter* RenderInt64(StringPiece name, int64 value) {
-    ow_->RenderInt64(name, value);
-    return this;
-  }
-
-  virtual Snake2CamelObjectWriter* RenderUint64(StringPiece name,
-                                                uint64 value) {
-    ow_->RenderUint64(name, value);
-    return this;
-  }
-
-  virtual Snake2CamelObjectWriter* RenderDouble(StringPiece name,
-                                                double value) {
-    ow_->RenderDouble(name, value);
-    return this;
-  }
-
-  virtual Snake2CamelObjectWriter* RenderFloat(StringPiece name, float value) {
-    ow_->RenderFloat(name, value);
-    return this;
-  }
-
-  virtual Snake2CamelObjectWriter* RenderString(StringPiece name,
-                                                StringPiece value) {
-    ow_->RenderString(name, value);
-    return this;
-  }
-
-  virtual Snake2CamelObjectWriter* RenderBytes(StringPiece name,
-                                               StringPiece value) {
-    ow_->RenderBytes(name, value);
-    return this;
-  }
-
-  virtual Snake2CamelObjectWriter* RenderNull(StringPiece name) {
-    ow_->RenderNull(name);
-    return this;
-  }
-
-  virtual Snake2CamelObjectWriter* DisableCaseNormalizationForNextKey() {
-    normalize_case_ = false;
-    return this;
-  }
-
- private:
-  ObjectWriter* ow_;
-  bool normalize_case_;
-
-  bool ShouldNormalizeCase(StringPiece name) {
-    if (normalize_case_) {
-      return !IsCamel(name);
-    } else {
-      normalize_case_ = true;
-      return false;
-    }
-  }
-
-  bool IsCamel(StringPiece name) {
-    return name.empty() || (ascii_islower(name[0]) && !name.contains("_"));
-  }
-
-  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(Snake2CamelObjectWriter);
-};
-
-}  // namespace converter
-}  // namespace util
-}  // namespace protobuf
-
-}  // namespace google
-#endif  // GOOGLE_PROTOBUF_UTIL_CONVERTER_SNAKE2CAMEL_OBJECTWRITER_H__
diff --git a/src/google/protobuf/util/internal/snake2camel_objectwriter_test.cc b/src/google/protobuf/util/internal/snake2camel_objectwriter_test.cc
deleted file mode 100644
index e5db844..0000000
--- a/src/google/protobuf/util/internal/snake2camel_objectwriter_test.cc
+++ /dev/null
@@ -1,57 +0,0 @@
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 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.
-
-#include <google/protobuf/util/internal/snake2camel_objectwriter.h>
-#include <google/protobuf/util/internal/expecting_objectwriter.h>
-#include <gtest/gtest.h>
-
-namespace google {
-namespace protobuf {
-namespace util {
-namespace converter {
-
-class Snake2CamelObjectWriterTest : public ::testing::Test {
- protected:
-  Snake2CamelObjectWriterTest() : mock_(), expects_(&mock_), testing_(&mock_) {}
-  virtual ~Snake2CamelObjectWriterTest() {}
-
-  MockObjectWriter mock_;
-  ExpectingObjectWriter expects_;
-  Snake2CamelObjectWriter testing_;
-};
-
-// All tests are deleted as they are no longer needed. This file will be removed
-// after the component dependecies are cleaned up.
-// TODO(skarvaje): Remove this file.
-
-}  // namespace converter
-}  // namespace util
-}  // namespace protobuf
-}  // namespace google
diff --git a/src/google/protobuf/util/message_differencer_unittest.cc b/src/google/protobuf/util/message_differencer_unittest.cc
index 4e9ca34..16f151a 100755
--- a/src/google/protobuf/util/message_differencer_unittest.cc
+++ b/src/google/protobuf/util/message_differencer_unittest.cc
@@ -1454,11 +1454,10 @@
 
 class TestIgnorer : public util::MessageDifferencer::IgnoreCriteria {
  public:
-  bool IsIgnored(
+  virtual bool IsIgnored(
       const Message& message1, const Message& message2,
       const FieldDescriptor* field,
-      const vector<util::MessageDifferencer::SpecificField>& parent_fields)
-      override {
+      const vector<util::MessageDifferencer::SpecificField>& parent_fields) {
     string name = "";
     for (int i = 0; i < parent_fields.size(); ++i) {
       name += parent_fields[i].field->name() + ".";
@@ -1500,8 +1499,10 @@
 class ValueProductMapKeyComparator
     : public util::MessageDifferencer::MapKeyComparator {
  public:
-  virtual bool IsMatch(const Message &message1,
-                       const Message &message2) const {
+  typedef util::MessageDifferencer::SpecificField SpecificField;
+  virtual bool IsMatch(
+      const Message &message1, const Message &message2,
+      const vector<SpecificField>& parent_fields) const {
     const Reflection* reflection1 = message1.GetReflection();
     const Reflection* reflection2 = message2.GetReflection();
     // FieldDescriptor for item.ra