const char* library_filename, TF_Status* status);

// Frees the memory associated with the library handle.
// Does NOT unload the library.
TF_CAPI_EXPORT extern void TF_DeletePluggableDeviceLibraryHandle(
    TF_Library* lib_handle);

// Removes `func_name` from `g`. If `func_name` is not in `g`, an error will be
// returned.
TF_CAPI_EXPORT extern void TF_GraphRemoveFunction(TF_Graph* g,

      } else {
        delete lib_handle;
        return nullptr;
      }
    }
    return lib_handle;
  }
#endif
}

void TF_DeletePluggableDeviceLibraryHandle(TF_Library* lib_handle) {
  delete lib_handle;
}

void TF_GraphRemoveFunction(TF_Graph* g, const char* func_name,
                            TF_Status* status) {
  tensorflow::mutex_lock l(g->mu);