Method has_source_context

libapp2sys/prebuilt/include/google/protobuf/api.pb.h:615–617

optional .google.protobuf.SourceContext source_context = 5;

// optional .google.protobuf.SourceContext source_context = 5;
inline bool Api::has_source_context() const {
  return this != internal_default_instance() && source_context_ != NULL;
}
inline void Api::clear_source_context() {
  if (GetArenaNoVirtual() == NULL && source_context_ != NULL) delete source_context_;
  source_context_ = NULL;