// Graphs are thread-safe when used as directed below.
typedef struct TF_Graph TF_Graph;

// Return a new graph object.
TF_CAPI_EXPORT extern TF_Graph* TF_NewGraph(void);

// Destroy an options object. Graph will be deleted once no more
// TFSession's are referencing it.
TF_CAPI_EXPORT extern void TF_DeleteGraph(TF_Graph*);

                                 const char* path, TF_RandomAccessFile* file,
                                 TF_Status* status);

  /// Creates an object to write to a file with the specified `path`.
  ///
  /// If the file already exists, it is deleted and recreated. The `file` object
  /// must only be accessed by one thread at a time.
  ///
  /// Plugins:
  ///   * Must set `status` to `TF_OK` if `file` was updated.