GenerateExtensionRegistrationCode  216 third_party/protobuf/src/google/protobuf/compiler/java/java_file.cc       .GenerateExtensionRegistrationCode(printer);
GenerateExtensionRegistrationCode 1239 third_party/protobuf/src/google/protobuf/compiler/java/java_message.cc       .GenerateExtensionRegistrationCode(printer);
GenerateExtensionRegistrationCode   75 third_party/protobuf/src/google/protobuf/compiler/java/java_message.h   void GenerateExtensionRegistrationCode(io::Printer* printer);