Reverts third_party/protobuf: Update to HEAD (f52e188fe4)

third_party/protobuf/src/google/protobuf/type.pb.h

 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/protobuf/type.proto
 
 #ifndef PROTOBUF_google_2fprotobuf_2ftype_2eproto__INCLUDED
 #define PROTOBUF_google_2fprotobuf_2ftype_2eproto__INCLUDED
 
 #include <string>
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 3001000
+#if GOOGLE_PROTOBUF_VERSION < 3000000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 3001000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 3000000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
 #endif
 
 #include <google/protobuf/arena.h>
 #include <google/protobuf/arenastring.h>
 #include <google/protobuf/generated_message_util.h>
 #include <google/protobuf/metadata.h>
 #include <google/protobuf/message.h>
-#include <google/protobuf/repeated_field.h>  // IWYU pragma: export
-#include <google/protobuf/extension_set.h>  // IWYU pragma: export
+#include <google/protobuf/repeated_field.h>
+#include <google/protobuf/extension_set.h>
 #include <google/protobuf/generated_enum_reflection.h>
 #include <google/protobuf/unknown_field_set.h>
 #include <google/protobuf/any.pb.h>
 #include <google/protobuf/source_context.pb.h>
 // @@protoc_insertion_point(includes)
-namespace google {
-namespace protobuf {
-class Any;
-class AnyDefaultTypeInternal;
-LIBPROTOBUF_EXPORT extern AnyDefaultTypeInternal _Any_default_instance_;
-class Enum;
-class EnumDefaultTypeInternal;
-LIBPROTOBUF_EXPORT extern EnumDefaultTypeInternal _Enum_default_instance_;
-class EnumValue;
-class EnumValueDefaultTypeInternal;
-LIBPROTOBUF_EXPORT extern EnumValueDefaultTypeInternal _EnumValue_default_instance_;
-class Field;
-class FieldDefaultTypeInternal;
-LIBPROTOBUF_EXPORT extern FieldDefaultTypeInternal _Field_default_instance_;
-class Option;
-class OptionDefaultTypeInternal;
-LIBPROTOBUF_EXPORT extern OptionDefaultTypeInternal _Option_default_instance_;
-class SourceContext;
-class SourceContextDefaultTypeInternal;
-LIBPROTOBUF_EXPORT extern SourceContextDefaultTypeInternal _SourceContext_default_instance_;
-class Type;
-class TypeDefaultTypeInternal;
-LIBPROTOBUF_EXPORT extern TypeDefaultTypeInternal _Type_default_instance_;
-}  // namespace protobuf
-}  // namespace google
 
 namespace google {
 namespace protobuf {
 
 // Internal implementation detail -- do not call these.
 void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2ftype_2eproto();
-void LIBPROTOBUF_EXPORT protobuf_InitDefaults_google_2fprotobuf_2ftype_2eproto();
+void protobuf_AssignDesc_google_2fprotobuf_2ftype_2eproto();
+void protobuf_ShutdownFile_google_2fprotobuf_2ftype_2eproto();
+
+class Enum;
+class EnumValue;
+class Field;
+class Option;
+class Type;
 
 enum Field_Kind {
   Field_Kind_TYPE_UNKNOWN = 0,
   Field_Kind_TYPE_DOUBLE = 1,
   Field_Kind_TYPE_FLOAT = 2,
   Field_Kind_TYPE_INT64 = 3,
   Field_Kind_TYPE_UINT64 = 4,
   Field_Kind_TYPE_INT32 = 5,
   Field_Kind_TYPE_FIXED64 = 6,
   Field_Kind_TYPE_FIXED32 = 7,
@@ skipping 65 matching lines @@
   return ::google::protobuf::internal::NameOfEnum(
     Syntax_descriptor(), value);
 }
 inline bool Syntax_Parse(
     const ::std::string& name, Syntax* value) {
   return ::google::protobuf::internal::ParseNamedEnum<Syntax>(
     Syntax_descriptor(), name, value);
 }
 // ===================================================================
 
-class LIBPROTOBUF_EXPORT Type : public ::google::protobuf::Message /* @@protoc_insertion_point(class_definition:google.protobuf.Type) */ {
+class LIBPROTOBUF_EXPORT Type : public ::google::protobuf::Message {
  public:
   Type();
   virtual ~Type();
 
   Type(const Type& from);
 
   inline Type& operator=(const Type& from) {
     CopyFrom(from);
     return *this;
   }
 
-  inline ::google::protobuf::Arena* GetArena() const PROTOBUF_FINAL {
-    return GetArenaNoVirtual();
-  }
-  inline void* GetMaybeArenaPointer() const PROTOBUF_FINAL {
-    return MaybeArenaPtr();
-  }
   static const ::google::protobuf::Descriptor* descriptor();
   static const Type& default_instance();
 
-  static inline const Type* internal_default_instance() {
-    return reinterpret_cast<const Type*>(
-               &_Type_default_instance_);
-  }
-
-  void UnsafeArenaSwap(Type* other);
   void Swap(Type* other);
 
   // implements Message ----------------------------------------------
 
-  inline Type* New() const PROTOBUF_FINAL { return New(NULL); }
+  inline Type* New() const { return New(NULL); }
 
-  Type* New(::google::protobuf::Arena* arena) const PROTOBUF_FINAL;
-  void CopyFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
-  void MergeFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  Type* New(::google::protobuf::Arena* arena) const;
+  void CopyFrom(const ::google::protobuf::Message& from);
+  void MergeFrom(const ::google::protobuf::Message& from);
   void CopyFrom(const Type& from);
   void MergeFrom(const Type& from);
-  void Clear() PROTOBUF_FINAL;
-  bool IsInitialized() const PROTOBUF_FINAL;
+  void Clear();
+  bool IsInitialized() const;
 
-  size_t ByteSizeLong() const PROTOBUF_FINAL;
+  int ByteSize() const;
   bool MergePartialFromCodedStream(
-      ::google::protobuf::io::CodedInputStream* input) PROTOBUF_FINAL;
+      ::google::protobuf::io::CodedInputStream* input);
   void SerializeWithCachedSizes(
-      ::google::protobuf::io::CodedOutputStream* output) const PROTOBUF_FINAL;
-  ::google::protobuf::uint8* InternalSerializeWithCachedSizesToArray(
-      bool deterministic, ::google::protobuf::uint8* target) const PROTOBUF_FINAL;
-  ::google::protobuf::uint8* SerializeWithCachedSizesToArray(::google::protobuf::uint8* output)
-      const PROTOBUF_FINAL {
-    return InternalSerializeWithCachedSizesToArray(false, output);
-  }
-  int GetCachedSize() const PROTOBUF_FINAL { return _cached_size_; }
+      ::google::protobuf::io::CodedOutputStream* output) const;
+  ::google::protobuf::uint8* SerializeWithCachedSizesToArray(::google::protobuf::uint8* output) const;
+  int GetCachedSize() const { return _cached_size_; }
   private:
   void SharedCtor();
   void SharedDtor();
-  void SetCachedSize(int size) const PROTOBUF_FINAL;
+  void SetCachedSize(int size) const;
   void InternalSwap(Type* other);
-  protected:
-  explicit Type(::google::protobuf::Arena* arena);
-  private:
-  static void ArenaDtor(void* object);
-  inline void RegisterArenaDtor(::google::protobuf::Arena* arena);
   private:
   inline ::google::protobuf::Arena* GetArenaNoVirtual() const {
     return _internal_metadata_.arena();
   }
   inline void* MaybeArenaPtr() const {
     return _internal_metadata_.raw_arena_ptr();
   }
   public:
 
-  ::google::protobuf::Metadata GetMetadata() const PROTOBUF_FINAL;
+  ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
 
   // accessors -------------------------------------------------------
 
-  // string name = 1;
+  // optional string name = 1;
   void clear_name();
   static const int kNameFieldNumber = 1;
   const ::std::string& name() const;
   void set_name(const ::std::string& value);
   void set_name(const char* value);
   void set_name(const char* value, size_t size);
   ::std::string* mutable_name();
   ::std::string* release_name();
   void set_allocated_name(::std::string* name);
-  ::std::string* unsafe_arena_release_name();
-  void unsafe_arena_set_allocated_name(
-      ::std::string* name);
 
   // repeated .google.protobuf.Field fields = 2;
   int fields_size() const;
   void clear_fields();
   static const int kFieldsFieldNumber = 2;
   const ::google::protobuf::Field& fields(int index) const;
   ::google::protobuf::Field* mutable_fields(int index);
   ::google::protobuf::Field* add_fields();
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::Field >*
       mutable_fields();
@@ skipping 21 matching lines @@
   void clear_options();
   static const int kOptionsFieldNumber = 4;
   const ::google::protobuf::Option& options(int index) const;
   ::google::protobuf::Option* mutable_options(int index);
   ::google::protobuf::Option* add_options();
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::Option >*
       mutable_options();
   const ::google::protobuf::RepeatedPtrField< ::google::protobuf::Option >&
       options() const;
 
-  // .google.protobuf.SourceContext source_context = 5;
+  // optional .google.protobuf.SourceContext source_context = 5;
   bool has_source_context() const;
   void clear_source_context();
   static const int kSourceContextFieldNumber = 5;
-  private:
-  void _slow_mutable_source_context();
-  ::google::protobuf::SourceContext* _slow_release_source_context();
-  public:
   const ::google::protobuf::SourceContext& source_context() const;
   ::google::protobuf::SourceContext* mutable_source_context();
   ::google::protobuf::SourceContext* release_source_context();
   void set_allocated_source_context(::google::protobuf::SourceContext* source_context);
-  ::google::protobuf::SourceContext* unsafe_arena_release_source_context();
-  void unsafe_arena_set_allocated_source_context(
-      ::google::protobuf::SourceContext* source_context);
 
-  // .google.protobuf.Syntax syntax = 6;
+  // optional .google.protobuf.Syntax syntax = 6;
   void clear_syntax();
   static const int kSyntaxFieldNumber = 6;
   ::google::protobuf::Syntax syntax() const;
   void set_syntax(::google::protobuf::Syntax value);
 
   // @@protoc_insertion_point(class_scope:google.protobuf.Type)
  private:
 
   ::google::protobuf::internal::InternalMetadataWithArena _internal_metadata_;
-  friend class ::google::protobuf::Arena;
-  typedef void InternalArenaConstructable_;
-  typedef void DestructorSkippable_;
+  bool _is_default_instance_;
+  ::google::protobuf::internal::ArenaStringPtr name_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::Field > fields_;
   ::google::protobuf::RepeatedPtrField< ::std::string> oneofs_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::Option > options_;
-  ::google::protobuf::internal::ArenaStringPtr name_;
   ::google::protobuf::SourceContext* source_context_;
   int syntax_;
   mutable int _cached_size_;
-  friend void LIBPROTOBUF_EXPORT protobuf_InitDefaults_google_2fprotobuf_2ftype_2eproto_impl();
-  friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2ftype_2eproto_impl();
-  friend const ::google::protobuf::uint32* protobuf_Offsets_google_2fprotobuf_2ftype_2eproto();
+  friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2ftype_2eproto();
+  friend void protobuf_AssignDesc_google_2fprotobuf_2ftype_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2ftype_2eproto();
 
+  void InitAsDefaultInstance();
+  static Type* default_instance_;
 };
 // -------------------------------------------------------------------
 
-class LIBPROTOBUF_EXPORT Field : public ::google::protobuf::Message /* @@protoc_insertion_point(class_definition:google.protobuf.Field) */ {
+class LIBPROTOBUF_EXPORT Field : public ::google::protobuf::Message {
  public:
   Field();
   virtual ~Field();
 
   Field(const Field& from);
 
   inline Field& operator=(const Field& from) {
     CopyFrom(from);
     return *this;
   }
 
-  inline ::google::protobuf::Arena* GetArena() const PROTOBUF_FINAL {
-    return GetArenaNoVirtual();
-  }
-  inline void* GetMaybeArenaPointer() const PROTOBUF_FINAL {
-    return MaybeArenaPtr();
-  }
   static const ::google::protobuf::Descriptor* descriptor();
   static const Field& default_instance();
 
-  static inline const Field* internal_default_instance() {
-    return reinterpret_cast<const Field*>(
-               &_Field_default_instance_);
-  }
-
-  void UnsafeArenaSwap(Field* other);
   void Swap(Field* other);
 
   // implements Message ----------------------------------------------
 
-  inline Field* New() const PROTOBUF_FINAL { return New(NULL); }
+  inline Field* New() const { return New(NULL); }
 
-  Field* New(::google::protobuf::Arena* arena) const PROTOBUF_FINAL;
-  void CopyFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
-  void MergeFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  Field* New(::google::protobuf::Arena* arena) const;
+  void CopyFrom(const ::google::protobuf::Message& from);
+  void MergeFrom(const ::google::protobuf::Message& from);
   void CopyFrom(const Field& from);
   void MergeFrom(const Field& from);
-  void Clear() PROTOBUF_FINAL;
-  bool IsInitialized() const PROTOBUF_FINAL;
+  void Clear();
+  bool IsInitialized() const;
 
-  size_t ByteSizeLong() const PROTOBUF_FINAL;
+  int ByteSize() const;
   bool MergePartialFromCodedStream(
-      ::google::protobuf::io::CodedInputStream* input) PROTOBUF_FINAL;
+      ::google::protobuf::io::CodedInputStream* input);
   void SerializeWithCachedSizes(
-      ::google::protobuf::io::CodedOutputStream* output) const PROTOBUF_FINAL;
-  ::google::protobuf::uint8* InternalSerializeWithCachedSizesToArray(
-      bool deterministic, ::google::protobuf::uint8* target) const PROTOBUF_FINAL;
-  ::google::protobuf::uint8* SerializeWithCachedSizesToArray(::google::protobuf::uint8* output)
-      const PROTOBUF_FINAL {
-    return InternalSerializeWithCachedSizesToArray(false, output);
-  }
-  int GetCachedSize() const PROTOBUF_FINAL { return _cached_size_; }
+      ::google::protobuf::io::CodedOutputStream* output) const;
+  ::google::protobuf::uint8* SerializeWithCachedSizesToArray(::google::protobuf::uint8* output) const;
+  int GetCachedSize() const { return _cached_size_; }
   private:
   void SharedCtor();
   void SharedDtor();
-  void SetCachedSize(int size) const PROTOBUF_FINAL;
+  void SetCachedSize(int size) const;
   void InternalSwap(Field* other);
-  protected:
-  explicit Field(::google::protobuf::Arena* arena);
-  private:
-  static void ArenaDtor(void* object);
-  inline void RegisterArenaDtor(::google::protobuf::Arena* arena);
   private:
   inline ::google::protobuf::Arena* GetArenaNoVirtual() const {
     return _internal_metadata_.arena();
   }
   inline void* MaybeArenaPtr() const {
     return _internal_metadata_.raw_arena_ptr();
   }
   public:
 
-  ::google::protobuf::Metadata GetMetadata() const PROTOBUF_FINAL;
+  ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
 
   typedef Field_Kind Kind;
   static const Kind TYPE_UNKNOWN =
     Field_Kind_TYPE_UNKNOWN;
   static const Kind TYPE_DOUBLE =
     Field_Kind_TYPE_DOUBLE;
   static const Kind TYPE_FLOAT =
     Field_Kind_TYPE_FLOAT;
@@ skipping 75 matching lines @@
   static inline const ::std::string& Cardinality_Name(Cardinality value) {
     return Field_Cardinality_Name(value);
   }
   static inline bool Cardinality_Parse(const ::std::string& name,
       Cardinality* value) {
     return Field_Cardinality_Parse(name, value);
   }
 
   // accessors -------------------------------------------------------
 
-  // .google.protobuf.Field.Kind kind = 1;
+  // optional .google.protobuf.Field.Kind kind = 1;
   void clear_kind();
   static const int kKindFieldNumber = 1;
   ::google::protobuf::Field_Kind kind() const;
   void set_kind(::google::protobuf::Field_Kind value);
 
-  // .google.protobuf.Field.Cardinality cardinality = 2;
+  // optional .google.protobuf.Field.Cardinality cardinality = 2;
   void clear_cardinality();
   static const int kCardinalityFieldNumber = 2;
   ::google::protobuf::Field_Cardinality cardinality() const;
   void set_cardinality(::google::protobuf::Field_Cardinality value);
 
-  // int32 number = 3;
+  // optional int32 number = 3;
   void clear_number();
   static const int kNumberFieldNumber = 3;
   ::google::protobuf::int32 number() const;
   void set_number(::google::protobuf::int32 value);
 
-  // string name = 4;
+  // optional string name = 4;
   void clear_name();
   static const int kNameFieldNumber = 4;
   const ::std::string& name() const;
   void set_name(const ::std::string& value);
   void set_name(const char* value);
   void set_name(const char* value, size_t size);
   ::std::string* mutable_name();
   ::std::string* release_name();
   void set_allocated_name(::std::string* name);
-  ::std::string* unsafe_arena_release_name();
-  void unsafe_arena_set_allocated_name(
-      ::std::string* name);
 
-  // string type_url = 6;
+  // optional string type_url = 6;
   void clear_type_url();
   static const int kTypeUrlFieldNumber = 6;
   const ::std::string& type_url() const;
   void set_type_url(const ::std::string& value);
   void set_type_url(const char* value);
   void set_type_url(const char* value, size_t size);
   ::std::string* mutable_type_url();
   ::std::string* release_type_url();
   void set_allocated_type_url(::std::string* type_url);
-  ::std::string* unsafe_arena_release_type_url();
-  void unsafe_arena_set_allocated_type_url(
-      ::std::string* type_url);
 
-  // int32 oneof_index = 7;
+  // optional int32 oneof_index = 7;
   void clear_oneof_index();
   static const int kOneofIndexFieldNumber = 7;
   ::google::protobuf::int32 oneof_index() const;
   void set_oneof_index(::google::protobuf::int32 value);
 
-  // bool packed = 8;
+  // optional bool packed = 8;
   void clear_packed();
   static const int kPackedFieldNumber = 8;
   bool packed() const;
   void set_packed(bool value);
 
   // repeated .google.protobuf.Option options = 9;
   int options_size() const;
   void clear_options();
   static const int kOptionsFieldNumber = 9;
   const ::google::protobuf::Option& options(int index) const;
   ::google::protobuf::Option* mutable_options(int index);
   ::google::protobuf::Option* add_options();
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::Option >*
       mutable_options();
   const ::google::protobuf::RepeatedPtrField< ::google::protobuf::Option >&
       options() const;
 
-  // string json_name = 10;
+  // optional string json_name = 10;
   void clear_json_name();
   static const int kJsonNameFieldNumber = 10;
   const ::std::string& json_name() const;
   void set_json_name(const ::std::string& value);
   void set_json_name(const char* value);
   void set_json_name(const char* value, size_t size);
   ::std::string* mutable_json_name();
   ::std::string* release_json_name();
   void set_allocated_json_name(::std::string* json_name);
-  ::std::string* unsafe_arena_release_json_name();
-  void unsafe_arena_set_allocated_json_name(
-      ::std::string* json_name);
 
-  // string default_value = 11;
+  // optional string default_value = 11;
   void clear_default_value();
   static const int kDefaultValueFieldNumber = 11;
   const ::std::string& default_value() const;
   void set_default_value(const ::std::string& value);
   void set_default_value(const char* value);
   void set_default_value(const char* value, size_t size);
   ::std::string* mutable_default_value();
   ::std::string* release_default_value();
   void set_allocated_default_value(::std::string* default_value);
-  ::std::string* unsafe_arena_release_default_value();
-  void unsafe_arena_set_allocated_default_value(
-      ::std::string* default_value);
 
   // @@protoc_insertion_point(class_scope:google.protobuf.Field)
  private:
 
   ::google::protobuf::internal::InternalMetadataWithArena _internal_metadata_;
-  friend class ::google::protobuf::Arena;
-  typedef void InternalArenaConstructable_;
-  typedef void DestructorSkippable_;
+  bool _is_default_instance_;
+  int kind_;
+  int cardinality_;
+  ::google::protobuf::internal::ArenaStringPtr name_;
+  ::google::protobuf::int32 number_;
+  ::google::protobuf::int32 oneof_index_;
+  ::google::protobuf::internal::ArenaStringPtr type_url_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::Option > options_;
-  ::google::protobuf::internal::ArenaStringPtr name_;
-  ::google::protobuf::internal::ArenaStringPtr type_url_;
   ::google::protobuf::internal::ArenaStringPtr json_name_;
   ::google::protobuf::internal::ArenaStringPtr default_value_;
-  int kind_;
-  int cardinality_;
-  ::google::protobuf::int32 number_;
-  ::google::protobuf::int32 oneof_index_;
   bool packed_;
   mutable int _cached_size_;
-  friend void LIBPROTOBUF_EXPORT protobuf_InitDefaults_google_2fprotobuf_2ftype_2eproto_impl();
-  friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2ftype_2eproto_impl();
-  friend const ::google::protobuf::uint32* protobuf_Offsets_google_2fprotobuf_2ftype_2eproto();
+  friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2ftype_2eproto();
+  friend void protobuf_AssignDesc_google_2fprotobuf_2ftype_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2ftype_2eproto();
 
+  void InitAsDefaultInstance();
+  static Field* default_instance_;
 };
 // -------------------------------------------------------------------
 
-class LIBPROTOBUF_EXPORT Enum : public ::google::protobuf::Message /* @@protoc_insertion_point(class_definition:google.protobuf.Enum) */ {
+class LIBPROTOBUF_EXPORT Enum : public ::google::protobuf::Message {
  public:
   Enum();
   virtual ~Enum();
 
   Enum(const Enum& from);
 
   inline Enum& operator=(const Enum& from) {
     CopyFrom(from);
     return *this;
   }
 
-  inline ::google::protobuf::Arena* GetArena() const PROTOBUF_FINAL {
-    return GetArenaNoVirtual();
-  }
-  inline void* GetMaybeArenaPointer() const PROTOBUF_FINAL {
-    return MaybeArenaPtr();
-  }
   static const ::google::protobuf::Descriptor* descriptor();
   static const Enum& default_instance();
 
-  static inline const Enum* internal_default_instance() {
-    return reinterpret_cast<const Enum*>(
-               &_Enum_default_instance_);
-  }
-
-  void UnsafeArenaSwap(Enum* other);
   void Swap(Enum* other);
 
   // implements Message ----------------------------------------------
 
-  inline Enum* New() const PROTOBUF_FINAL { return New(NULL); }
+  inline Enum* New() const { return New(NULL); }
 
-  Enum* New(::google::protobuf::Arena* arena) const PROTOBUF_FINAL;
-  void CopyFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
-  void MergeFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  Enum* New(::google::protobuf::Arena* arena) const;
+  void CopyFrom(const ::google::protobuf::Message& from);
+  void MergeFrom(const ::google::protobuf::Message& from);
   void CopyFrom(const Enum& from);
   void MergeFrom(const Enum& from);
-  void Clear() PROTOBUF_FINAL;
-  bool IsInitialized() const PROTOBUF_FINAL;
+  void Clear();
+  bool IsInitialized() const;
 
-  size_t ByteSizeLong() const PROTOBUF_FINAL;
+  int ByteSize() const;
   bool MergePartialFromCodedStream(
-      ::google::protobuf::io::CodedInputStream* input) PROTOBUF_FINAL;
+      ::google::protobuf::io::CodedInputStream* input);
   void SerializeWithCachedSizes(
-      ::google::protobuf::io::CodedOutputStream* output) const PROTOBUF_FINAL;
-  ::google::protobuf::uint8* InternalSerializeWithCachedSizesToArray(
-      bool deterministic, ::google::protobuf::uint8* target) const PROTOBUF_FINAL;
-  ::google::protobuf::uint8* SerializeWithCachedSizesToArray(::google::protobuf::uint8* output)
-      const PROTOBUF_FINAL {
-    return InternalSerializeWithCachedSizesToArray(false, output);
-  }
-  int GetCachedSize() const PROTOBUF_FINAL { return _cached_size_; }
+      ::google::protobuf::io::CodedOutputStream* output) const;
+  ::google::protobuf::uint8* SerializeWithCachedSizesToArray(::google::protobuf::uint8* output) const;
+  int GetCachedSize() const { return _cached_size_; }
   private:
   void SharedCtor();
   void SharedDtor();
-  void SetCachedSize(int size) const PROTOBUF_FINAL;
+  void SetCachedSize(int size) const;
   void InternalSwap(Enum* other);
-  protected:
-  explicit Enum(::google::protobuf::Arena* arena);
-  private:
-  static void ArenaDtor(void* object);
-  inline void RegisterArenaDtor(::google::protobuf::Arena* arena);
   private:
   inline ::google::protobuf::Arena* GetArenaNoVirtual() const {
     return _internal_metadata_.arena();
   }
   inline void* MaybeArenaPtr() const {
     return _internal_metadata_.raw_arena_ptr();
   }
   public:
 
-  ::google::protobuf::Metadata GetMetadata() const PROTOBUF_FINAL;
+  ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
 
   // accessors -------------------------------------------------------
 
-  // string name = 1;
+  // optional string name = 1;
   void clear_name();
   static const int kNameFieldNumber = 1;
   const ::std::string& name() const;
   void set_name(const ::std::string& value);
   void set_name(const char* value);
   void set_name(const char* value, size_t size);
   ::std::string* mutable_name();
   ::std::string* release_name();
   void set_allocated_name(::std::string* name);
-  ::std::string* unsafe_arena_release_name();
-  void unsafe_arena_set_allocated_name(
-      ::std::string* name);
 
   // repeated .google.protobuf.EnumValue enumvalue = 2;
   int enumvalue_size() const;
   void clear_enumvalue();
   static const int kEnumvalueFieldNumber = 2;
   const ::google::protobuf::EnumValue& enumvalue(int index) const;
   ::google::protobuf::EnumValue* mutable_enumvalue(int index);
   ::google::protobuf::EnumValue* add_enumvalue();
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::EnumValue >*
       mutable_enumvalue();
   const ::google::protobuf::RepeatedPtrField< ::google::protobuf::EnumValue >&
       enumvalue() const;
 
   // repeated .google.protobuf.Option options = 3;
   int options_size() const;
   void clear_options();
   static const int kOptionsFieldNumber = 3;
   const ::google::protobuf::Option& options(int index) const;
   ::google::protobuf::Option* mutable_options(int index);
   ::google::protobuf::Option* add_options();
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::Option >*
       mutable_options();
   const ::google::protobuf::RepeatedPtrField< ::google::protobuf::Option >&
       options() const;
 
-  // .google.protobuf.SourceContext source_context = 4;
+  // optional .google.protobuf.SourceContext source_context = 4;
   bool has_source_context() const;
   void clear_source_context();
   static const int kSourceContextFieldNumber = 4;
-  private:
-  void _slow_mutable_source_context();
-  ::google::protobuf::SourceContext* _slow_release_source_context();
-  public:
   const ::google::protobuf::SourceContext& source_context() const;
   ::google::protobuf::SourceContext* mutable_source_context();
   ::google::protobuf::SourceContext* release_source_context();
   void set_allocated_source_context(::google::protobuf::SourceContext* source_context);
-  ::google::protobuf::SourceContext* unsafe_arena_release_source_context();
-  void unsafe_arena_set_allocated_source_context(
-      ::google::protobuf::SourceContext* source_context);
 
-  // .google.protobuf.Syntax syntax = 5;
+  // optional .google.protobuf.Syntax syntax = 5;
   void clear_syntax();
   static const int kSyntaxFieldNumber = 5;
   ::google::protobuf::Syntax syntax() const;
   void set_syntax(::google::protobuf::Syntax value);
 
   // @@protoc_insertion_point(class_scope:google.protobuf.Enum)
  private:
 
   ::google::protobuf::internal::InternalMetadataWithArena _internal_metadata_;
-  friend class ::google::protobuf::Arena;
-  typedef void InternalArenaConstructable_;
-  typedef void DestructorSkippable_;
+  bool _is_default_instance_;
+  ::google::protobuf::internal::ArenaStringPtr name_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::EnumValue > enumvalue_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::Option > options_;
-  ::google::protobuf::internal::ArenaStringPtr name_;
   ::google::protobuf::SourceContext* source_context_;
   int syntax_;
   mutable int _cached_size_;
-  friend void LIBPROTOBUF_EXPORT protobuf_InitDefaults_google_2fprotobuf_2ftype_2eproto_impl();
-  friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2ftype_2eproto_impl();
-  friend const ::google::protobuf::uint32* protobuf_Offsets_google_2fprotobuf_2ftype_2eproto();
+  friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2ftype_2eproto();
+  friend void protobuf_AssignDesc_google_2fprotobuf_2ftype_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2ftype_2eproto();
 
+  void InitAsDefaultInstance();
+  static Enum* default_instance_;
 };
 // -------------------------------------------------------------------
 
-class LIBPROTOBUF_EXPORT EnumValue : public ::google::protobuf::Message /* @@protoc_insertion_point(class_definition:google.protobuf.EnumValue) */ {
+class LIBPROTOBUF_EXPORT EnumValue : public ::google::protobuf::Message {
  public:
   EnumValue();
   virtual ~EnumValue();
 
   EnumValue(const EnumValue& from);
 
   inline EnumValue& operator=(const EnumValue& from) {
     CopyFrom(from);
     return *this;
   }
 
-  inline ::google::protobuf::Arena* GetArena() const PROTOBUF_FINAL {
-    return GetArenaNoVirtual();
-  }
-  inline void* GetMaybeArenaPointer() const PROTOBUF_FINAL {
-    return MaybeArenaPtr();
-  }
   static const ::google::protobuf::Descriptor* descriptor();
   static const EnumValue& default_instance();
 
-  static inline const EnumValue* internal_default_instance() {
-    return reinterpret_cast<const EnumValue*>(
-               &_EnumValue_default_instance_);
-  }
-
-  void UnsafeArenaSwap(EnumValue* other);
   void Swap(EnumValue* other);
 
   // implements Message ----------------------------------------------
 
-  inline EnumValue* New() const PROTOBUF_FINAL { return New(NULL); }
+  inline EnumValue* New() const { return New(NULL); }
 
-  EnumValue* New(::google::protobuf::Arena* arena) const PROTOBUF_FINAL;
-  void CopyFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
-  void MergeFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  EnumValue* New(::google::protobuf::Arena* arena) const;
+  void CopyFrom(const ::google::protobuf::Message& from);
+  void MergeFrom(const ::google::protobuf::Message& from);
   void CopyFrom(const EnumValue& from);
   void MergeFrom(const EnumValue& from);
-  void Clear() PROTOBUF_FINAL;
-  bool IsInitialized() const PROTOBUF_FINAL;
+  void Clear();
+  bool IsInitialized() const;
 
-  size_t ByteSizeLong() const PROTOBUF_FINAL;
+  int ByteSize() const;
   bool MergePartialFromCodedStream(
-      ::google::protobuf::io::CodedInputStream* input) PROTOBUF_FINAL;
+      ::google::protobuf::io::CodedInputStream* input);
   void SerializeWithCachedSizes(
-      ::google::protobuf::io::CodedOutputStream* output) const PROTOBUF_FINAL;
-  ::google::protobuf::uint8* InternalSerializeWithCachedSizesToArray(
-      bool deterministic, ::google::protobuf::uint8* target) const PROTOBUF_FINAL;
-  ::google::protobuf::uint8* SerializeWithCachedSizesToArray(::google::protobuf::uint8* output)
-      const PROTOBUF_FINAL {
-    return InternalSerializeWithCachedSizesToArray(false, output);
-  }
-  int GetCachedSize() const PROTOBUF_FINAL { return _cached_size_; }
+      ::google::protobuf::io::CodedOutputStream* output) const;
+  ::google::protobuf::uint8* SerializeWithCachedSizesToArray(::google::protobuf::uint8* output) const;
+  int GetCachedSize() const { return _cached_size_; }
   private:
   void SharedCtor();
   void SharedDtor();
-  void SetCachedSize(int size) const PROTOBUF_FINAL;
+  void SetCachedSize(int size) const;
   void InternalSwap(EnumValue* other);
-  protected:
-  explicit EnumValue(::google::protobuf::Arena* arena);
-  private:
-  static void ArenaDtor(void* object);
-  inline void RegisterArenaDtor(::google::protobuf::Arena* arena);
   private:
   inline ::google::protobuf::Arena* GetArenaNoVirtual() const {
     return _internal_metadata_.arena();
   }
   inline void* MaybeArenaPtr() const {
     return _internal_metadata_.raw_arena_ptr();
   }
   public:
 
-  ::google::protobuf::Metadata GetMetadata() const PROTOBUF_FINAL;
+  ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
 
   // accessors -------------------------------------------------------
 
-  // string name = 1;
+  // optional string name = 1;
   void clear_name();
   static const int kNameFieldNumber = 1;
   const ::std::string& name() const;
   void set_name(const ::std::string& value);
   void set_name(const char* value);
   void set_name(const char* value, size_t size);
   ::std::string* mutable_name();
   ::std::string* release_name();
   void set_allocated_name(::std::string* name);
-  ::std::string* unsafe_arena_release_name();
-  void unsafe_arena_set_allocated_name(
-      ::std::string* name);
 
-  // int32 number = 2;
+  // optional int32 number = 2;
   void clear_number();
   static const int kNumberFieldNumber = 2;
   ::google::protobuf::int32 number() const;
   void set_number(::google::protobuf::int32 value);
 
   // repeated .google.protobuf.Option options = 3;
   int options_size() const;
   void clear_options();
   static const int kOptionsFieldNumber = 3;
   const ::google::protobuf::Option& options(int index) const;
   ::google::protobuf::Option* mutable_options(int index);
   ::google::protobuf::Option* add_options();
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::Option >*
       mutable_options();
   const ::google::protobuf::RepeatedPtrField< ::google::protobuf::Option >&
       options() const;
 
   // @@protoc_insertion_point(class_scope:google.protobuf.EnumValue)
  private:
 
   ::google::protobuf::internal::InternalMetadataWithArena _internal_metadata_;
-  friend class ::google::protobuf::Arena;
-  typedef void InternalArenaConstructable_;
-  typedef void DestructorSkippable_;
+  bool _is_default_instance_;
+  ::google::protobuf::internal::ArenaStringPtr name_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::Option > options_;
-  ::google::protobuf::internal::ArenaStringPtr name_;
   ::google::protobuf::int32 number_;
   mutable int _cached_size_;
-  friend void LIBPROTOBUF_EXPORT protobuf_InitDefaults_google_2fprotobuf_2ftype_2eproto_impl();
-  friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2ftype_2eproto_impl();
-  friend const ::google::protobuf::uint32* protobuf_Offsets_google_2fprotobuf_2ftype_2eproto();
+  friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2ftype_2eproto();
+  friend void protobuf_AssignDesc_google_2fprotobuf_2ftype_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2ftype_2eproto();
 
+  void InitAsDefaultInstance();
+  static EnumValue* default_instance_;
 };
 // -------------------------------------------------------------------
 
-class LIBPROTOBUF_EXPORT Option : public ::google::protobuf::Message /* @@protoc_insertion_point(class_definition:google.protobuf.Option) */ {
+class LIBPROTOBUF_EXPORT Option : public ::google::protobuf::Message {
  public:
   Option();
   virtual ~Option();
 
   Option(const Option& from);
 
   inline Option& operator=(const Option& from) {
     CopyFrom(from);
     return *this;
   }
 
-  inline ::google::protobuf::Arena* GetArena() const PROTOBUF_FINAL {
-    return GetArenaNoVirtual();
-  }
-  inline void* GetMaybeArenaPointer() const PROTOBUF_FINAL {
-    return MaybeArenaPtr();
-  }
   static const ::google::protobuf::Descriptor* descriptor();
   static const Option& default_instance();
 
-  static inline const Option* internal_default_instance() {
-    return reinterpret_cast<const Option*>(
-               &_Option_default_instance_);
-  }
-
-  void UnsafeArenaSwap(Option* other);
   void Swap(Option* other);
 
   // implements Message ----------------------------------------------
 
-  inline Option* New() const PROTOBUF_FINAL { return New(NULL); }
+  inline Option* New() const { return New(NULL); }
 
-  Option* New(::google::protobuf::Arena* arena) const PROTOBUF_FINAL;
-  void CopyFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
-  void MergeFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  Option* New(::google::protobuf::Arena* arena) const;
+  void CopyFrom(const ::google::protobuf::Message& from);
+  void MergeFrom(const ::google::protobuf::Message& from);
   void CopyFrom(const Option& from);
   void MergeFrom(const Option& from);
-  void Clear() PROTOBUF_FINAL;
-  bool IsInitialized() const PROTOBUF_FINAL;
+  void Clear();
+  bool IsInitialized() const;
 
-  size_t ByteSizeLong() const PROTOBUF_FINAL;
+  int ByteSize() const;
   bool MergePartialFromCodedStream(
-      ::google::protobuf::io::CodedInputStream* input) PROTOBUF_FINAL;
+      ::google::protobuf::io::CodedInputStream* input);
   void SerializeWithCachedSizes(
-      ::google::protobuf::io::CodedOutputStream* output) const PROTOBUF_FINAL;
-  ::google::protobuf::uint8* InternalSerializeWithCachedSizesToArray(
-      bool deterministic, ::google::protobuf::uint8* target) const PROTOBUF_FINAL;
-  ::google::protobuf::uint8* SerializeWithCachedSizesToArray(::google::protobuf::uint8* output)
-      const PROTOBUF_FINAL {
-    return InternalSerializeWithCachedSizesToArray(false, output);
-  }
-  int GetCachedSize() const PROTOBUF_FINAL { return _cached_size_; }
+      ::google::protobuf::io::CodedOutputStream* output) const;
+  ::google::protobuf::uint8* SerializeWithCachedSizesToArray(::google::protobuf::uint8* output) const;
+  int GetCachedSize() const { return _cached_size_; }
   private:
   void SharedCtor();
   void SharedDtor();
-  void SetCachedSize(int size) const PROTOBUF_FINAL;
+  void SetCachedSize(int size) const;
   void InternalSwap(Option* other);
-  protected:
-  explicit Option(::google::protobuf::Arena* arena);
-  private:
-  static void ArenaDtor(void* object);
-  inline void RegisterArenaDtor(::google::protobuf::Arena* arena);
   private:
   inline ::google::protobuf::Arena* GetArenaNoVirtual() const {
     return _internal_metadata_.arena();
   }
   inline void* MaybeArenaPtr() const {
     return _internal_metadata_.raw_arena_ptr();
   }
   public:
 
-  ::google::protobuf::Metadata GetMetadata() const PROTOBUF_FINAL;
+  ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
 
   // accessors -------------------------------------------------------
 
-  // string name = 1;
+  // optional string name = 1;
   void clear_name();
   static const int kNameFieldNumber = 1;
   const ::std::string& name() const;
   void set_name(const ::std::string& value);
   void set_name(const char* value);
   void set_name(const char* value, size_t size);
   ::std::string* mutable_name();
   ::std::string* release_name();
   void set_allocated_name(::std::string* name);
-  ::std::string* unsafe_arena_release_name();
-  void unsafe_arena_set_allocated_name(
-      ::std::string* name);
 
-  // .google.protobuf.Any value = 2;
+  // optional .google.protobuf.Any value = 2;
   bool has_value() const;
   void clear_value();
   static const int kValueFieldNumber = 2;
-  private:
-  void _slow_mutable_value();
-  ::google::protobuf::Any* _slow_release_value();
-  public:
   const ::google::protobuf::Any& value() const;
   ::google::protobuf::Any* mutable_value();
   ::google::protobuf::Any* release_value();
   void set_allocated_value(::google::protobuf::Any* value);
-  ::google::protobuf::Any* unsafe_arena_release_value();
-  void unsafe_arena_set_allocated_value(
-      ::google::protobuf::Any* value);
 
   // @@protoc_insertion_point(class_scope:google.protobuf.Option)
  private:
 
   ::google::protobuf::internal::InternalMetadataWithArena _internal_metadata_;
-  friend class ::google::protobuf::Arena;
-  typedef void InternalArenaConstructable_;
-  typedef void DestructorSkippable_;
+  bool _is_default_instance_;
   ::google::protobuf::internal::ArenaStringPtr name_;
   ::google::protobuf::Any* value_;
   mutable int _cached_size_;
-  friend void LIBPROTOBUF_EXPORT protobuf_InitDefaults_google_2fprotobuf_2ftype_2eproto_impl();
-  friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2ftype_2eproto_impl();
-  friend const ::google::protobuf::uint32* protobuf_Offsets_google_2fprotobuf_2ftype_2eproto();
+  friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2ftype_2eproto();
+  friend void protobuf_AssignDesc_google_2fprotobuf_2ftype_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2ftype_2eproto();
 
+  void InitAsDefaultInstance();
+  static Option* default_instance_;
 };
 // ===================================================================
 
 
 // ===================================================================
 
 #if !PROTOBUF_INLINE_NOT_IN_HEADERS
 // Type
 
-// string name = 1;
+// optional string name = 1;
 inline void Type::clear_name() {
-  name_.ClearToEmpty(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), GetArenaNoVirtual());
+  name_.ClearToEmptyNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline const ::std::string& Type::name() const {
   // @@protoc_insertion_point(field_get:google.protobuf.Type.name)
-  return name_.Get();
+  return name_.GetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline void Type::set_name(const ::std::string& value) {
   
-  name_.Set(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), value, GetArenaNoVirtual());
+  name_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), value);
   // @@protoc_insertion_point(field_set:google.protobuf.Type.name)
 }
 inline void Type::set_name(const char* value) {
   
-  name_.Set(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::string(value),
-              GetArenaNoVirtual());
+  name_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::string(value));
   // @@protoc_insertion_point(field_set_char:google.protobuf.Type.name)
 }
-inline void Type::set_name(const char* value,
-    size_t size) {
+inline void Type::set_name(const char* value, size_t size) {
   
-  name_.Set(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::string(
-      reinterpret_cast<const char*>(value), size), GetArenaNoVirtual());
+  name_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(),
+      ::std::string(reinterpret_cast<const char*>(value), size));
   // @@protoc_insertion_point(field_set_pointer:google.protobuf.Type.name)
 }
 inline ::std::string* Type::mutable_name() {
   
   // @@protoc_insertion_point(field_mutable:google.protobuf.Type.name)
-  return name_.Mutable(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), GetArenaNoVirtual());
+  return name_.MutableNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline ::std::string* Type::release_name() {
   // @@protoc_insertion_point(field_release:google.protobuf.Type.name)
   
-  return name_.Release(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), GetArenaNoVirtual());
-}
-inline ::std::string* Type::unsafe_arena_release_name() {
-  // @@protoc_insertion_point(field_unsafe_arena_release:google.protobuf.Type.name)
-  GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);
-  
-  return name_.UnsafeArenaRelease(&::google::protobuf::internal::GetEmptyStringAlreadyInited(),
-      GetArenaNoVirtual());
+  return name_.ReleaseNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline void Type::set_allocated_name(::std::string* name) {
   if (name != NULL) {
     
   } else {
     
   }
-  name_.SetAllocated(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), name,
-      GetArenaNoVirtual());
+  name_.SetAllocatedNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), name);
   // @@protoc_insertion_point(field_set_allocated:google.protobuf.Type.name)
 }
-inline void Type::unsafe_arena_set_allocated_name(
-    ::std::string* name) {
-  GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);
-  if (name != NULL) {
-    
-  } else {
-    
-  }
-  name_.UnsafeArenaSetAllocated(&::google::protobuf::internal::GetEmptyStringAlreadyInited(),
-      name, GetArenaNoVirtual());
-  // @@protoc_insertion_point(field_unsafe_arena_set_allocated:google.protobuf.Type.name)
-}
 
 // repeated .google.protobuf.Field fields = 2;
 inline int Type::fields_size() const {
   return fields_.size();
 }
 inline void Type::clear_fields() {
   fields_.Clear();
 }
 inline const ::google::protobuf::Field& Type::fields(int index) const {
   // @@protoc_insertion_point(field_get:google.protobuf.Type.fields)
@@ skipping 96 matching lines @@
 Type::mutable_options() {
   // @@protoc_insertion_point(field_mutable_list:google.protobuf.Type.options)
   return &options_;
 }
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::Option >&
 Type::options() const {
   // @@protoc_insertion_point(field_list:google.protobuf.Type.options)
   return options_;
 }
 
-// .google.protobuf.SourceContext source_context = 5;
+// optional .google.protobuf.SourceContext source_context = 5;
 inline bool Type::has_source_context() const {
-  return this != internal_default_instance() && source_context_ != NULL;
+  return !_is_default_instance_ && source_context_ != NULL;
 }
 inline void Type::clear_source_context() {
   if (GetArenaNoVirtual() == NULL && source_context_ != NULL) delete source_context_;
   source_context_ = NULL;
 }
 inline const ::google::protobuf::SourceContext& Type::source_context() const {
   // @@protoc_insertion_point(field_get:google.protobuf.Type.source_context)
-  return source_context_ != NULL ? *source_context_
-                         : *::google::protobuf::SourceContext::internal_default_instance();
+  return source_context_ != NULL ? *source_context_ : *default_instance_->source_context_;
 }
 inline ::google::protobuf::SourceContext* Type::mutable_source_context() {
   
   if (source_context_ == NULL) {
-    _slow_mutable_source_context();
+    source_context_ = new ::google::protobuf::SourceContext;
   }
   // @@protoc_insertion_point(field_mutable:google.protobuf.Type.source_context)
   return source_context_;
 }
 inline ::google::protobuf::SourceContext* Type::release_source_context() {
   // @@protoc_insertion_point(field_release:google.protobuf.Type.source_context)
   
-  if (GetArenaNoVirtual() != NULL) {
-    return _slow_release_source_context();
-  } else {
-    ::google::protobuf::SourceContext* temp = source_context_;
-    source_context_ = NULL;
-    return temp;
-  }
+  ::google::protobuf::SourceContext* temp = source_context_;
+  source_context_ = NULL;
+  return temp;
 }
-inline  void Type::set_allocated_source_context(::google::protobuf::SourceContext* source_context) {
-  ::google::protobuf::Arena* message_arena = GetArenaNoVirtual();
-  if (message_arena == NULL) {
-    delete source_context_;
-  }
-  if (source_context != NULL) {
-    if (message_arena != NULL) {
-      message_arena->Own(source_context);
-    }
-  }
+inline void Type::set_allocated_source_context(::google::protobuf::SourceContext* source_context) {
+  delete source_context_;
   source_context_ = source_context;
   if (source_context) {
     
   } else {
     
   }
   // @@protoc_insertion_point(field_set_allocated:google.protobuf.Type.source_context)
 }
 
-// .google.protobuf.Syntax syntax = 6;
+// optional .google.protobuf.Syntax syntax = 6;
 inline void Type::clear_syntax() {
   syntax_ = 0;
 }
 inline ::google::protobuf::Syntax Type::syntax() const {
   // @@protoc_insertion_point(field_get:google.protobuf.Type.syntax)
   return static_cast< ::google::protobuf::Syntax >(syntax_);
 }
 inline void Type::set_syntax(::google::protobuf::Syntax value) {
   
   syntax_ = value;
   // @@protoc_insertion_point(field_set:google.protobuf.Type.syntax)
 }
 
 // -------------------------------------------------------------------
 
 // Field
 
-// .google.protobuf.Field.Kind kind = 1;
+// optional .google.protobuf.Field.Kind kind = 1;
 inline void Field::clear_kind() {
   kind_ = 0;
 }
 inline ::google::protobuf::Field_Kind Field::kind() const {
   // @@protoc_insertion_point(field_get:google.protobuf.Field.kind)
   return static_cast< ::google::protobuf::Field_Kind >(kind_);
 }
 inline void Field::set_kind(::google::protobuf::Field_Kind value) {
   
   kind_ = value;
   // @@protoc_insertion_point(field_set:google.protobuf.Field.kind)
 }
 
-// .google.protobuf.Field.Cardinality cardinality = 2;
+// optional .google.protobuf.Field.Cardinality cardinality = 2;
 inline void Field::clear_cardinality() {
   cardinality_ = 0;
 }
 inline ::google::protobuf::Field_Cardinality Field::cardinality() const {
   // @@protoc_insertion_point(field_get:google.protobuf.Field.cardinality)
   return static_cast< ::google::protobuf::Field_Cardinality >(cardinality_);
 }
 inline void Field::set_cardinality(::google::protobuf::Field_Cardinality value) {
   
   cardinality_ = value;
   // @@protoc_insertion_point(field_set:google.protobuf.Field.cardinality)
 }
 
-// int32 number = 3;
+// optional int32 number = 3;
 inline void Field::clear_number() {
   number_ = 0;
 }
 inline ::google::protobuf::int32 Field::number() const {
   // @@protoc_insertion_point(field_get:google.protobuf.Field.number)
   return number_;
 }
 inline void Field::set_number(::google::protobuf::int32 value) {
   
   number_ = value;
   // @@protoc_insertion_point(field_set:google.protobuf.Field.number)
 }
 
-// string name = 4;
+// optional string name = 4;
 inline void Field::clear_name() {
-  name_.ClearToEmpty(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), GetArenaNoVirtual());
+  name_.ClearToEmptyNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline const ::std::string& Field::name() const {
   // @@protoc_insertion_point(field_get:google.protobuf.Field.name)
-  return name_.Get();
+  return name_.GetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline void Field::set_name(const ::std::string& value) {
   
-  name_.Set(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), value, GetArenaNoVirtual());
+  name_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), value);
   // @@protoc_insertion_point(field_set:google.protobuf.Field.name)
 }
 inline void Field::set_name(const char* value) {
   
-  name_.Set(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::string(value),
-              GetArenaNoVirtual());
+  name_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::string(value));
   // @@protoc_insertion_point(field_set_char:google.protobuf.Field.name)
 }
-inline void Field::set_name(const char* value,
-    size_t size) {
+inline void Field::set_name(const char* value, size_t size) {
   
-  name_.Set(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::string(
-      reinterpret_cast<const char*>(value), size), GetArenaNoVirtual());
+  name_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(),
+      ::std::string(reinterpret_cast<const char*>(value), size));
   // @@protoc_insertion_point(field_set_pointer:google.protobuf.Field.name)
 }
 inline ::std::string* Field::mutable_name() {
   
   // @@protoc_insertion_point(field_mutable:google.protobuf.Field.name)
-  return name_.Mutable(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), GetArenaNoVirtual());
+  return name_.MutableNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline ::std::string* Field::release_name() {
   // @@protoc_insertion_point(field_release:google.protobuf.Field.name)
   
-  return name_.Release(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), GetArenaNoVirtual());
-}
-inline ::std::string* Field::unsafe_arena_release_name() {
-  // @@protoc_insertion_point(field_unsafe_arena_release:google.protobuf.Field.name)
-  GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);
-  
-  return name_.UnsafeArenaRelease(&::google::protobuf::internal::GetEmptyStringAlreadyInited(),
-      GetArenaNoVirtual());
+  return name_.ReleaseNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline void Field::set_allocated_name(::std::string* name) {
   if (name != NULL) {
     
   } else {
     
   }
-  name_.SetAllocated(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), name,
-      GetArenaNoVirtual());
+  name_.SetAllocatedNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), name);
   // @@protoc_insertion_point(field_set_allocated:google.protobuf.Field.name)
 }
-inline void Field::unsafe_arena_set_allocated_name(
-    ::std::string* name) {
-  GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);
-  if (name != NULL) {
-    
-  } else {
-    
-  }
-  name_.UnsafeArenaSetAllocated(&::google::protobuf::internal::GetEmptyStringAlreadyInited(),
-      name, GetArenaNoVirtual());
-  // @@protoc_insertion_point(field_unsafe_arena_set_allocated:google.protobuf.Field.name)
-}
 
-// string type_url = 6;
+// optional string type_url = 6;
 inline void Field::clear_type_url() {
-  type_url_.ClearToEmpty(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), GetArenaNoVirtual());
+  type_url_.ClearToEmptyNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline const ::std::string& Field::type_url() const {
   // @@protoc_insertion_point(field_get:google.protobuf.Field.type_url)
-  return type_url_.Get();
+  return type_url_.GetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline void Field::set_type_url(const ::std::string& value) {
   
-  type_url_.Set(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), value, GetArenaNoVirtual());
+  type_url_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), value);
   // @@protoc_insertion_point(field_set:google.protobuf.Field.type_url)
 }
 inline void Field::set_type_url(const char* value) {
   
-  type_url_.Set(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::string(value),
-              GetArenaNoVirtual());
+  type_url_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::string(value));
   // @@protoc_insertion_point(field_set_char:google.protobuf.Field.type_url)
 }
-inline void Field::set_type_url(const char* value,
-    size_t size) {
+inline void Field::set_type_url(const char* value, size_t size) {
   
-  type_url_.Set(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::string(
-      reinterpret_cast<const char*>(value), size), GetArenaNoVirtual());
+  type_url_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(),
+      ::std::string(reinterpret_cast<const char*>(value), size));
   // @@protoc_insertion_point(field_set_pointer:google.protobuf.Field.type_url)
 }
 inline ::std::string* Field::mutable_type_url() {
   
   // @@protoc_insertion_point(field_mutable:google.protobuf.Field.type_url)
-  return type_url_.Mutable(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), GetArenaNoVirtual());
+  return type_url_.MutableNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline ::std::string* Field::release_type_url() {
   // @@protoc_insertion_point(field_release:google.protobuf.Field.type_url)
   
-  return type_url_.Release(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), GetArenaNoVirtual());
-}
-inline ::std::string* Field::unsafe_arena_release_type_url() {
-  // @@protoc_insertion_point(field_unsafe_arena_release:google.protobuf.Field.type_url)
-  GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);
-  
-  return type_url_.UnsafeArenaRelease(&::google::protobuf::internal::GetEmptyStringAlreadyInited(),
-      GetArenaNoVirtual());
+  return type_url_.ReleaseNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline void Field::set_allocated_type_url(::std::string* type_url) {
   if (type_url != NULL) {
     
   } else {
     
   }
-  type_url_.SetAllocated(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), type_url,
-      GetArenaNoVirtual());
+  type_url_.SetAllocatedNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), type_url);
   // @@protoc_insertion_point(field_set_allocated:google.protobuf.Field.type_url)
 }
-inline void Field::unsafe_arena_set_allocated_type_url(
-    ::std::string* type_url) {
-  GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);
-  if (type_url != NULL) {
-    
-  } else {
-    
-  }
-  type_url_.UnsafeArenaSetAllocated(&::google::protobuf::internal::GetEmptyStringAlreadyInited(),
-      type_url, GetArenaNoVirtual());
-  // @@protoc_insertion_point(field_unsafe_arena_set_allocated:google.protobuf.Field.type_url)
-}
 
-// int32 oneof_index = 7;
+// optional int32 oneof_index = 7;
 inline void Field::clear_oneof_index() {
   oneof_index_ = 0;
 }
 inline ::google::protobuf::int32 Field::oneof_index() const {
   // @@protoc_insertion_point(field_get:google.protobuf.Field.oneof_index)
   return oneof_index_;
 }
 inline void Field::set_oneof_index(::google::protobuf::int32 value) {
   
   oneof_index_ = value;
   // @@protoc_insertion_point(field_set:google.protobuf.Field.oneof_index)
 }
 
-// bool packed = 8;
+// optional bool packed = 8;
 inline void Field::clear_packed() {
   packed_ = false;
 }
 inline bool Field::packed() const {
   // @@protoc_insertion_point(field_get:google.protobuf.Field.packed)
   return packed_;
 }
 inline void Field::set_packed(bool value) {
   
   packed_ = value;
@@ skipping 23 matching lines @@
 Field::mutable_options() {
   // @@protoc_insertion_point(field_mutable_list:google.protobuf.Field.options)
   return &options_;
 }
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::Option >&
 Field::options() const {
   // @@protoc_insertion_point(field_list:google.protobuf.Field.options)
   return options_;
 }
 
-// string json_name = 10;
+// optional string json_name = 10;
 inline void Field::clear_json_name() {
-  json_name_.ClearToEmpty(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), GetArenaNoVirtual());
+  json_name_.ClearToEmptyNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline const ::std::string& Field::json_name() const {
   // @@protoc_insertion_point(field_get:google.protobuf.Field.json_name)
-  return json_name_.Get();
+  return json_name_.GetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline void Field::set_json_name(const ::std::string& value) {
   
-  json_name_.Set(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), value, GetArenaNoVirtual());
+  json_name_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), value);
   // @@protoc_insertion_point(field_set:google.protobuf.Field.json_name)
 }
 inline void Field::set_json_name(const char* value) {
   
-  json_name_.Set(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::string(value),
-              GetArenaNoVirtual());
+  json_name_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::string(value));
   // @@protoc_insertion_point(field_set_char:google.protobuf.Field.json_name)
 }
-inline void Field::set_json_name(const char* value,
-    size_t size) {
+inline void Field::set_json_name(const char* value, size_t size) {
   
-  json_name_.Set(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::string(
-      reinterpret_cast<const char*>(value), size), GetArenaNoVirtual());
+  json_name_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(),
+      ::std::string(reinterpret_cast<const char*>(value), size));
   // @@protoc_insertion_point(field_set_pointer:google.protobuf.Field.json_name)
 }
 inline ::std::string* Field::mutable_json_name() {
   
   // @@protoc_insertion_point(field_mutable:google.protobuf.Field.json_name)
-  return json_name_.Mutable(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), GetArenaNoVirtual());
+  return json_name_.MutableNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline ::std::string* Field::release_json_name() {
   // @@protoc_insertion_point(field_release:google.protobuf.Field.json_name)
   
-  return json_name_.Release(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), GetArenaNoVirtual());
-}
-inline ::std::string* Field::unsafe_arena_release_json_name() {
-  // @@protoc_insertion_point(field_unsafe_arena_release:google.protobuf.Field.json_name)
-  GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);
-  
-  return json_name_.UnsafeArenaRelease(&::google::protobuf::internal::GetEmptyStringAlreadyInited(),
-      GetArenaNoVirtual());
+  return json_name_.ReleaseNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline void Field::set_allocated_json_name(::std::string* json_name) {
   if (json_name != NULL) {
     
   } else {
     
   }
-  json_name_.SetAllocated(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), json_name,
-      GetArenaNoVirtual());
+  json_name_.SetAllocatedNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), json_name);
   // @@protoc_insertion_point(field_set_allocated:google.protobuf.Field.json_name)
 }
-inline void Field::unsafe_arena_set_allocated_json_name(
-    ::std::string* json_name) {
-  GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);
-  if (json_name != NULL) {
-    
-  } else {
-    
-  }
-  json_name_.UnsafeArenaSetAllocated(&::google::protobuf::internal::GetEmptyStringAlreadyInited(),
-      json_name, GetArenaNoVirtual());
-  // @@protoc_insertion_point(field_unsafe_arena_set_allocated:google.protobuf.Field.json_name)
-}
 
-// string default_value = 11;
+// optional string default_value = 11;
 inline void Field::clear_default_value() {
-  default_value_.ClearToEmpty(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), GetArenaNoVirtual());
+  default_value_.ClearToEmptyNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline const ::std::string& Field::default_value() const {
   // @@protoc_insertion_point(field_get:google.protobuf.Field.default_value)
-  return default_value_.Get();
+  return default_value_.GetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline void Field::set_default_value(const ::std::string& value) {
   
-  default_value_.Set(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), value, GetArenaNoVirtual());
+  default_value_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), value);
   // @@protoc_insertion_point(field_set:google.protobuf.Field.default_value)
 }
 inline void Field::set_default_value(const char* value) {
   
-  default_value_.Set(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::string(value),
-              GetArenaNoVirtual());
+  default_value_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::string(value));
   // @@protoc_insertion_point(field_set_char:google.protobuf.Field.default_value)
 }
-inline void Field::set_default_value(const char* value,
-    size_t size) {
+inline void Field::set_default_value(const char* value, size_t size) {
   
-  default_value_.Set(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::string(
-      reinterpret_cast<const char*>(value), size), GetArenaNoVirtual());
+  default_value_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(),
+      ::std::string(reinterpret_cast<const char*>(value), size));
   // @@protoc_insertion_point(field_set_pointer:google.protobuf.Field.default_value)
 }
 inline ::std::string* Field::mutable_default_value() {
   
   // @@protoc_insertion_point(field_mutable:google.protobuf.Field.default_value)
-  return default_value_.Mutable(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), GetArenaNoVirtual());
+  return default_value_.MutableNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline ::std::string* Field::release_default_value() {
   // @@protoc_insertion_point(field_release:google.protobuf.Field.default_value)
   
-  return default_value_.Release(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), GetArenaNoVirtual());
-}
-inline ::std::string* Field::unsafe_arena_release_default_value() {
-  // @@protoc_insertion_point(field_unsafe_arena_release:google.protobuf.Field.default_value)
-  GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);
-  
-  return default_value_.UnsafeArenaRelease(&::google::protobuf::internal::GetEmptyStringAlreadyInited(),
-      GetArenaNoVirtual());
+  return default_value_.ReleaseNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline void Field::set_allocated_default_value(::std::string* default_value) {
   if (default_value != NULL) {
     
   } else {
     
   }
-  default_value_.SetAllocated(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), default_value,
-      GetArenaNoVirtual());
+  default_value_.SetAllocatedNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), default_value);
   // @@protoc_insertion_point(field_set_allocated:google.protobuf.Field.default_value)
 }
-inline void Field::unsafe_arena_set_allocated_default_value(
-    ::std::string* default_value) {
-  GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);
-  if (default_value != NULL) {
-    
-  } else {
-    
-  }
-  default_value_.UnsafeArenaSetAllocated(&::google::protobuf::internal::GetEmptyStringAlreadyInited(),
-      default_value, GetArenaNoVirtual());
-  // @@protoc_insertion_point(field_unsafe_arena_set_allocated:google.protobuf.Field.default_value)
-}
 
 // -------------------------------------------------------------------
 
 // Enum
 
-// string name = 1;
+// optional string name = 1;
 inline void Enum::clear_name() {
-  name_.ClearToEmpty(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), GetArenaNoVirtual());
+  name_.ClearToEmptyNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline const ::std::string& Enum::name() const {
   // @@protoc_insertion_point(field_get:google.protobuf.Enum.name)
-  return name_.Get();
+  return name_.GetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline void Enum::set_name(const ::std::string& value) {
   
-  name_.Set(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), value, GetArenaNoVirtual());
+  name_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), value);
   // @@protoc_insertion_point(field_set:google.protobuf.Enum.name)
 }
 inline void Enum::set_name(const char* value) {
   
-  name_.Set(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::string(value),
-              GetArenaNoVirtual());
+  name_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::string(value));
   // @@protoc_insertion_point(field_set_char:google.protobuf.Enum.name)
 }
-inline void Enum::set_name(const char* value,
-    size_t size) {
+inline void Enum::set_name(const char* value, size_t size) {
   
-  name_.Set(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::string(
-      reinterpret_cast<const char*>(value), size), GetArenaNoVirtual());
+  name_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(),
+      ::std::string(reinterpret_cast<const char*>(value), size));
   // @@protoc_insertion_point(field_set_pointer:google.protobuf.Enum.name)
 }
 inline ::std::string* Enum::mutable_name() {
   
   // @@protoc_insertion_point(field_mutable:google.protobuf.Enum.name)
-  return name_.Mutable(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), GetArenaNoVirtual());
+  return name_.MutableNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline ::std::string* Enum::release_name() {
   // @@protoc_insertion_point(field_release:google.protobuf.Enum.name)
   
-  return name_.Release(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), GetArenaNoVirtual());
-}
-inline ::std::string* Enum::unsafe_arena_release_name() {
-  // @@protoc_insertion_point(field_unsafe_arena_release:google.protobuf.Enum.name)
-  GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);
-  
-  return name_.UnsafeArenaRelease(&::google::protobuf::internal::GetEmptyStringAlreadyInited(),
-      GetArenaNoVirtual());
+  return name_.ReleaseNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline void Enum::set_allocated_name(::std::string* name) {
   if (name != NULL) {
     
   } else {
     
   }
-  name_.SetAllocated(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), name,
-      GetArenaNoVirtual());
+  name_.SetAllocatedNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), name);
   // @@protoc_insertion_point(field_set_allocated:google.protobuf.Enum.name)
 }
-inline void Enum::unsafe_arena_set_allocated_name(
-    ::std::string* name) {
-  GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);
-  if (name != NULL) {
-    
-  } else {
-    
-  }
-  name_.UnsafeArenaSetAllocated(&::google::protobuf::internal::GetEmptyStringAlreadyInited(),
-      name, GetArenaNoVirtual());
-  // @@protoc_insertion_point(field_unsafe_arena_set_allocated:google.protobuf.Enum.name)
-}
 
 // repeated .google.protobuf.EnumValue enumvalue = 2;
 inline int Enum::enumvalue_size() const {
   return enumvalue_.size();
 }
 inline void Enum::clear_enumvalue() {
   enumvalue_.Clear();
 }
 inline const ::google::protobuf::EnumValue& Enum::enumvalue(int index) const {
   // @@protoc_insertion_point(field_get:google.protobuf.Enum.enumvalue)
@@ skipping 41 matching lines @@
 Enum::mutable_options() {
   // @@protoc_insertion_point(field_mutable_list:google.protobuf.Enum.options)
   return &options_;
 }
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::Option >&
 Enum::options() const {
   // @@protoc_insertion_point(field_list:google.protobuf.Enum.options)
   return options_;
 }
 
-// .google.protobuf.SourceContext source_context = 4;
+// optional .google.protobuf.SourceContext source_context = 4;
 inline bool Enum::has_source_context() const {
-  return this != internal_default_instance() && source_context_ != NULL;
+  return !_is_default_instance_ && source_context_ != NULL;
 }
 inline void Enum::clear_source_context() {
   if (GetArenaNoVirtual() == NULL && source_context_ != NULL) delete source_context_;
   source_context_ = NULL;
 }
 inline const ::google::protobuf::SourceContext& Enum::source_context() const {
   // @@protoc_insertion_point(field_get:google.protobuf.Enum.source_context)
-  return source_context_ != NULL ? *source_context_
-                         : *::google::protobuf::SourceContext::internal_default_instance();
+  return source_context_ != NULL ? *source_context_ : *default_instance_->source_context_;
 }
 inline ::google::protobuf::SourceContext* Enum::mutable_source_context() {
   
   if (source_context_ == NULL) {
-    _slow_mutable_source_context();
+    source_context_ = new ::google::protobuf::SourceContext;
   }
   // @@protoc_insertion_point(field_mutable:google.protobuf.Enum.source_context)
   return source_context_;
 }
 inline ::google::protobuf::SourceContext* Enum::release_source_context() {
   // @@protoc_insertion_point(field_release:google.protobuf.Enum.source_context)
   
-  if (GetArenaNoVirtual() != NULL) {
-    return _slow_release_source_context();
-  } else {
-    ::google::protobuf::SourceContext* temp = source_context_;
-    source_context_ = NULL;
-    return temp;
-  }
+  ::google::protobuf::SourceContext* temp = source_context_;
+  source_context_ = NULL;
+  return temp;
 }
-inline  void Enum::set_allocated_source_context(::google::protobuf::SourceContext* source_context) {
-  ::google::protobuf::Arena* message_arena = GetArenaNoVirtual();
-  if (message_arena == NULL) {
-    delete source_context_;
-  }
-  if (source_context != NULL) {
-    if (message_arena != NULL) {
-      message_arena->Own(source_context);
-    }
-  }
+inline void Enum::set_allocated_source_context(::google::protobuf::SourceContext* source_context) {
+  delete source_context_;
   source_context_ = source_context;
   if (source_context) {
     
   } else {
     
   }
   // @@protoc_insertion_point(field_set_allocated:google.protobuf.Enum.source_context)
 }
 
-// .google.protobuf.Syntax syntax = 5;
+// optional .google.protobuf.Syntax syntax = 5;
 inline void Enum::clear_syntax() {
   syntax_ = 0;
 }
 inline ::google::protobuf::Syntax Enum::syntax() const {
   // @@protoc_insertion_point(field_get:google.protobuf.Enum.syntax)
   return static_cast< ::google::protobuf::Syntax >(syntax_);
 }
 inline void Enum::set_syntax(::google::protobuf::Syntax value) {
   
   syntax_ = value;
   // @@protoc_insertion_point(field_set:google.protobuf.Enum.syntax)
 }
 
 // -------------------------------------------------------------------
 
 // EnumValue
 
-// string name = 1;
+// optional string name = 1;
 inline void EnumValue::clear_name() {
-  name_.ClearToEmpty(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), GetArenaNoVirtual());
+  name_.ClearToEmptyNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline const ::std::string& EnumValue::name() const {
   // @@protoc_insertion_point(field_get:google.protobuf.EnumValue.name)
-  return name_.Get();
+  return name_.GetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline void EnumValue::set_name(const ::std::string& value) {
   
-  name_.Set(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), value, GetArenaNoVirtual());
+  name_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), value);
   // @@protoc_insertion_point(field_set:google.protobuf.EnumValue.name)
 }
 inline void EnumValue::set_name(const char* value) {
   
-  name_.Set(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::string(value),
-              GetArenaNoVirtual());
+  name_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::string(value));
   // @@protoc_insertion_point(field_set_char:google.protobuf.EnumValue.name)
 }
-inline void EnumValue::set_name(const char* value,
-    size_t size) {
+inline void EnumValue::set_name(const char* value, size_t size) {
   
-  name_.Set(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::string(
-      reinterpret_cast<const char*>(value), size), GetArenaNoVirtual());
+  name_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(),
+      ::std::string(reinterpret_cast<const char*>(value), size));
   // @@protoc_insertion_point(field_set_pointer:google.protobuf.EnumValue.name)
 }
 inline ::std::string* EnumValue::mutable_name() {
   
   // @@protoc_insertion_point(field_mutable:google.protobuf.EnumValue.name)
-  return name_.Mutable(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), GetArenaNoVirtual());
+  return name_.MutableNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline ::std::string* EnumValue::release_name() {
   // @@protoc_insertion_point(field_release:google.protobuf.EnumValue.name)
   
-  return name_.Release(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), GetArenaNoVirtual());
-}
-inline ::std::string* EnumValue::unsafe_arena_release_name() {
-  // @@protoc_insertion_point(field_unsafe_arena_release:google.protobuf.EnumValue.name)
-  GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);
-  
-  return name_.UnsafeArenaRelease(&::google::protobuf::internal::GetEmptyStringAlreadyInited(),
-      GetArenaNoVirtual());
+  return name_.ReleaseNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline void EnumValue::set_allocated_name(::std::string* name) {
   if (name != NULL) {
     
   } else {
     
   }
-  name_.SetAllocated(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), name,
-      GetArenaNoVirtual());
+  name_.SetAllocatedNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), name);
   // @@protoc_insertion_point(field_set_allocated:google.protobuf.EnumValue.name)
 }
-inline void EnumValue::unsafe_arena_set_allocated_name(
-    ::std::string* name) {
-  GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);
-  if (name != NULL) {
-    
-  } else {
-    
-  }
-  name_.UnsafeArenaSetAllocated(&::google::protobuf::internal::GetEmptyStringAlreadyInited(),
-      name, GetArenaNoVirtual());
-  // @@protoc_insertion_point(field_unsafe_arena_set_allocated:google.protobuf.EnumValue.name)
-}
 
-// int32 number = 2;
+// optional int32 number = 2;
 inline void EnumValue::clear_number() {
   number_ = 0;
 }
 inline ::google::protobuf::int32 EnumValue::number() const {
   // @@protoc_insertion_point(field_get:google.protobuf.EnumValue.number)
   return number_;
 }
 inline void EnumValue::set_number(::google::protobuf::int32 value) {
   
   number_ = value;
@@ skipping 27 matching lines @@
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::Option >&
 EnumValue::options() const {
   // @@protoc_insertion_point(field_list:google.protobuf.EnumValue.options)
   return options_;
 }
 
 // -------------------------------------------------------------------
 
 // Option
 
-// string name = 1;
+// optional string name = 1;
 inline void Option::clear_name() {
-  name_.ClearToEmpty(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), GetArenaNoVirtual());
+  name_.ClearToEmptyNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline const ::std::string& Option::name() const {
   // @@protoc_insertion_point(field_get:google.protobuf.Option.name)
-  return name_.Get();
+  return name_.GetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline void Option::set_name(const ::std::string& value) {
   
-  name_.Set(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), value, GetArenaNoVirtual());
+  name_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), value);
   // @@protoc_insertion_point(field_set:google.protobuf.Option.name)
 }
 inline void Option::set_name(const char* value) {
   
-  name_.Set(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::string(value),
-              GetArenaNoVirtual());
+  name_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::string(value));
   // @@protoc_insertion_point(field_set_char:google.protobuf.Option.name)
 }
-inline void Option::set_name(const char* value,
-    size_t size) {
+inline void Option::set_name(const char* value, size_t size) {
   
-  name_.Set(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::string(
-      reinterpret_cast<const char*>(value), size), GetArenaNoVirtual());
+  name_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(),
+      ::std::string(reinterpret_cast<const char*>(value), size));
   // @@protoc_insertion_point(field_set_pointer:google.protobuf.Option.name)
 }
 inline ::std::string* Option::mutable_name() {
   
   // @@protoc_insertion_point(field_mutable:google.protobuf.Option.name)
-  return name_.Mutable(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), GetArenaNoVirtual());
+  return name_.MutableNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline ::std::string* Option::release_name() {
   // @@protoc_insertion_point(field_release:google.protobuf.Option.name)
   
-  return name_.Release(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), GetArenaNoVirtual());
-}
-inline ::std::string* Option::unsafe_arena_release_name() {
-  // @@protoc_insertion_point(field_unsafe_arena_release:google.protobuf.Option.name)
-  GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);
-  
-  return name_.UnsafeArenaRelease(&::google::protobuf::internal::GetEmptyStringAlreadyInited(),
-      GetArenaNoVirtual());
+  return name_.ReleaseNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
 }
 inline void Option::set_allocated_name(::std::string* name) {
   if (name != NULL) {
     
   } else {
     
   }
-  name_.SetAllocated(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), name,
-      GetArenaNoVirtual());
+  name_.SetAllocatedNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), name);
   // @@protoc_insertion_point(field_set_allocated:google.protobuf.Option.name)
 }
-inline void Option::unsafe_arena_set_allocated_name(
-    ::std::string* name) {
-  GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);
-  if (name != NULL) {
-    
-  } else {
-    
-  }
-  name_.UnsafeArenaSetAllocated(&::google::protobuf::internal::GetEmptyStringAlreadyInited(),
-      name, GetArenaNoVirtual());
-  // @@protoc_insertion_point(field_unsafe_arena_set_allocated:google.protobuf.Option.name)
-}
 
-// .google.protobuf.Any value = 2;
+// optional .google.protobuf.Any value = 2;
 inline bool Option::has_value() const {
-  return this != internal_default_instance() && value_ != NULL;
+  return !_is_default_instance_ && value_ != NULL;
 }
 inline void Option::clear_value() {
   if (GetArenaNoVirtual() == NULL && value_ != NULL) delete value_;
   value_ = NULL;
 }
 inline const ::google::protobuf::Any& Option::value() const {
   // @@protoc_insertion_point(field_get:google.protobuf.Option.value)
-  return value_ != NULL ? *value_
-                         : *::google::protobuf::Any::internal_default_instance();
+  return value_ != NULL ? *value_ : *default_instance_->value_;
 }
 inline ::google::protobuf::Any* Option::mutable_value() {
   
   if (value_ == NULL) {
-    _slow_mutable_value();
+    value_ = new ::google::protobuf::Any;
   }
   // @@protoc_insertion_point(field_mutable:google.protobuf.Option.value)
   return value_;
 }
 inline ::google::protobuf::Any* Option::release_value() {
   // @@protoc_insertion_point(field_release:google.protobuf.Option.value)
   
-  if (GetArenaNoVirtual() != NULL) {
-    return _slow_release_value();
-  } else {
-    ::google::protobuf::Any* temp = value_;
-    value_ = NULL;
-    return temp;
-  }
+  ::google::protobuf::Any* temp = value_;
+  value_ = NULL;
+  return temp;
 }
-inline  void Option::set_allocated_value(::google::protobuf::Any* value) {
-  ::google::protobuf::Arena* message_arena = GetArenaNoVirtual();
-  if (message_arena == NULL) {
-    delete value_;
-  }
-  if (value != NULL) {
-    if (message_arena != NULL) {
-      message_arena->Own(value);
-    }
-  }
+inline void Option::set_allocated_value(::google::protobuf::Any* value) {
+  delete value_;
   value_ = value;
   if (value) {
     
   } else {
     
   }
   // @@protoc_insertion_point(field_set_allocated:google.protobuf.Option.value)
 }
 
 #endif  // !PROTOBUF_INLINE_NOT_IN_HEADERS
 // -------------------------------------------------------------------
 
 // -------------------------------------------------------------------
 
 // -------------------------------------------------------------------
 
 // -------------------------------------------------------------------
 
 
 // @@protoc_insertion_point(namespace_scope)
 
-
 }  // namespace protobuf
 }  // namespace google
 
 #ifndef SWIG
 namespace google {
 namespace protobuf {
 
 template <> struct is_proto_enum< ::google::protobuf::Field_Kind> : ::google::protobuf::internal::true_type {};
 template <>
 inline const EnumDescriptor* GetEnumDescriptor< ::google::protobuf::Field_Kind>() {
@@ skipping 10 matching lines @@
   return ::google::protobuf::Syntax_descriptor();
 }
 
 }  // namespace protobuf
 }  // namespace google
 #endif  // SWIG
 
 // @@protoc_insertion_point(global_scope)
 
 #endif  // PROTOBUF_google_2fprotobuf_2ftype_2eproto__INCLUDED