TF_TransactionToken* token, TF_Status* status);

  /// Adds file/directory in the `path` to transaction in `token`. It is a valid
  /// operation to add a path that doesn't exist yet to a transaction.
  ///
  /// In case of error, plugins must set `status` to a value different than
  /// `TF_OK`, free memory allocated for `token` and return -1.
  ///