code: def prepare(self, *sequences: Sequence) -> tuple:
      return sequences
  
imports: from __future__ import annotations
  import json
  from collections import defaultdict
  from copy import deepcopy
  from importlib import import_module
  from pathlib import Path
  from typing import Any, Callable, Sequence
label_desc: Use image node_id 3 for calling the LibraryBase obj's underlying member method code with example usage: obj.prepare() and returns: sequences