code: def switch(key: str, checkers: Dict[str, Dict[Key, Validator]]):
      return SwitchValidator(key, checkers)
  
imports: from typing import Union, Dict, Pattern, Callable, Any, List, Optional
  import re
  import logging
label_desc: Use image node_id 9 for calling a global function with example usage: switch(key, checkers) and returns: SwitchValidator