• ChannelOwnership : google::protobuf::Service
• CommentStyle : google::protobuf::io::Tokenizer
• CppType : google::protobuf::FieldDescriptor , google::protobuf::internal::WireFormatLite
• DiskFileToVirtualFileResult : google::protobuf::compiler::DiskSourceTree
• ErrorLocation : google::protobuf::DescriptorPool::ErrorCollector
• FieldType : google::protobuf::internal::WireFormatLite
• Format : google::protobuf::io::GzipOutputStream , google::protobuf::io::GzipInputStream
• Label : google::protobuf::FieldDescriptor
• Operation : google::protobuf::internal::WireFormat
• TokenType : google::protobuf::io::Tokenizer
• Type : google::protobuf::UnknownField , google::protobuf::FieldDescriptor
• WireType : google::protobuf::internal::WireFormatLite