// assets) using `run_options`.
//
// Any NULL and non-NULL value combinations for (`run_options, `meta_graph_def`)
// are valid.
//
// - `export_dir` must be set to the path of the exported SavedModel.
// - `tags` must include the set of tags used to identify one MetaGraphDef in
//    the SavedModel.
// - `graph` must be a graph newly allocated with TF_NewGraph().
//

  Status DeleteRecursively(const std::string& dirname, TransactionToken* token,
                           int64_t* undeleted_files,
                           int64_t* undeleted_dirs) override;
  Status DeleteDir(const std::string& dirname,
                   TransactionToken* token) override;
  Status RecursivelyCreateDir(const std::string& dirname,