///
  /// REQUIREMENTS: If plugins implement this, they must also provide a filled
  /// `TF_WritableFileOps` table. See "REQUIRED OPERATIONS" above.
  void (*new_appendable_file)(const TF_Filesystem* filesystem, const char* path,
                              TF_WritableFile* file, TF_Status* status);

  /// Creates a read-only region of memory from contents of `path`.
  ///