// `max_func`. In usual usage, max_func should be set to the result of
// TF_GraphNumFunctions(g). In this case, all the functions registered in
// `g` will be returned. Else, an unspecified subset.
//
// If successful, returns the number of TF_Function* successfully set in
// `funcs` and sets status to OK. The caller takes ownership of

                                  const char* path, TF_TransactionToken** token,
                                  TF_Status* status);

  /// Returns transaction token for `path` if it is part of a transaction else
  /// starts a new transaction and adds `path` to that transaction
  ///
  /// Transaction token is returned in `token`. Ownership of the token is in