// `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
// all the returned TF_Functions. They must be deleted with TF_DeleteFunction.

                                       int* num_options, TF_Status* status);

  /// Updates filesystem configuration with options passed in `options`. It can
  /// contain full set of options supported by the filesystem or just a subset
  /// of them. Ownership of options and buffers therein belongs to the caller
  /// and any buffers need to be allocated through filesystem allocation API.