code: def random_key() -> str:
      return token_urlsafe(48)
  
file_path: superset/superset/key_value/utils.py
imports: from __future__ import annotations
  from hashlib import md5
  from secrets import token_urlsafe
  from typing import Any
  from uuid import UUID, uuid3
  import hashids
  from flask_babel import gettext
  from superset.key_value.exceptions import KeyValueParseKeyError
  from superset.key_value.types import KeyValueFilter, KeyValueResource
  from superset.utils.core import json_dumps_w_dates
label_desc: Use image node_id 1 for calling a global function with example usage: random_key() and returns: token_urlsafe