code: def set_quiet_mode(enabled: bool) -> None:
      # do not log setting quiet mode
      os.environ[QUIET_ENV_VAR] = str(enabled)
      os.environ[GRPC_DEBUG_ENV_VAR] = "NONE"
  
imports: from __future__ import annotations
  import importlib.metadata
  import logging
  import os
  import re
  import typing
  from functools import lru_cache
  from ...exceptions import BentoMLConfigException
  from ...exceptions import BentoMLException
label_desc: Use image node_id 8 for calling a global function with example usage: set_quiet_mode(enabled) without return types