Method ConvertToJsonObject

common/values/value_builder.cc:1002–1007

  }

  absl::Status ConvertToJsonObject(
      const google::protobuf::DescriptorPool* absl_nonnull descriptor_pool,
      google::protobuf::MessageFactory* absl_nonnull message_factory,
      google::protobuf::Message* absl_nonnull json) const override {
    return MapValueToJsonObject(map_, descriptor_pool, message_factory, json);
  }

  CustomMapValue Clone(google::protobuf::Arena* absl_nonnull arena) const override {
    ABSL_DCHECK(arena != nullptr);