code: def get_job_environments() -> Mapping[str, "JobEnvironment"]:
      return {env.name(): env for env in _get_plugins()[1]}
  
imports: import functools
  import os
  from typing import TYPE_CHECKING, List, Mapping, Tuple, Type
  from ..core import logger
label_desc: Use image node_id 4 for calling a global function with example usage: get_job_environments() and returns: unknown