code: def reset_meter(name: str, key: str) -> None:
      """Reset Meter instance aggregated under a given *name* and *key*."""
      meter = get_meter(name, key)
      if meter is not None:
          meter.reset()
  
imports: import contextlib
  import uuid
  from collections import defaultdict
  from typing import Callable, List, Optional
  from .meters import *
label_desc: Use image node_id 12 for calling a global function with example usage: reset_meter(name, key) without return types