}
  void add_backend_config(::flatbuffers::Offset<::flatbuffers::String> backend_config) {
    fbb_.AddOffset(StablehloCustomCallOptions::VT_BACKEND_CONFIG, backend_config);
  }
  void add_api_version(int32_t api_version) {
    fbb_.AddElement<int32_t>(StablehloCustomCallOptions::VT_API_VERSION, api_version, 0);
  }