//              below).
//  opers - Array of operations to become the body of the function or null.
//          - If no array is given (`num_opers` = -1), all the
//          operations in `fn_body` will become part of the function
//          except operations referenced in `inputs`. These operations
//          must have a single output (these operations are typically
//          placeholders created for the sole purpose of representing

                            TF_TransactionToken* token, TF_Status* status);

  /// Returns transaction token for file/directory in the `path`. Note that path
  /// may not exist yet but still might be part of a transaction.
  ///
  /// Transaction token is returned in `token`. Ownership of the token is in
  /// filesystem. Token will be freed in `end_transaction` call and any access
  /// to token after that is invalid.