code: def current_timestamp_in_millis() -> int:
      """Grab current timestamp in milliseconds as an int."""
      return int(round(time() * 1000))
  
file_path: Ax/ax/utils/common/timeutils.py
imports: from datetime import datetime, timedelta
  from time import time
  from typing import Generator
  import pandas
label_desc: Use image node_id 5 for calling a global function with example usage: current_timestamp_in_millis() and returns: int