code: def current_time() -> float:
      """Return the time in milliseconds since the epoch as a floating
      point number.
      """
      return time.monotonic() * 1000
  
imports: from __future__ import annotations
  import logging
  import inspect
  import time
  from copy import copy
  from functools import wraps
  from typing import TYPE_CHECKING, Any, Awaitable, Callable, TypeVar
  from tornado import locks
  from ..events import ConnectionLost
  from ..util.token import generate_jwt_token
  from .callbacks import DocumentCallbackGroup
label_desc: Use image node_id 2 for calling a global function with example usage: current_time() and returns: unknown