code: def probe_artifact_repository_bucket() -> Optional[str]:
      """
      Probes environment variables in search of artifact repository bucket
      :return: string containing the artifact repository bucket name
      """
      logger.debug("Probing for artifact repository bucket name")
      bucket = os.environ.get("ARTIFACT_REPOSITORY_BUCKET")
      if not bucket:
          logger.debug(
              "ARTIFACT_REPOSITORY_BUCKET environment variable not found"
          )
      return bucket
  
imports: import argparse
  import ctypes
  import glob
  import logging
  import os
  import re
  import sys
  from itertools import chain
  from subprocess import CalledProcessError, check_output
  from typing import Dict, List, Optional
  import boto3
  import botocore.exceptions
  import yaml
label_desc: Use image node_id 15 for calling a global function with example usage: probe_artifact_repository_bucket() and returns: bucket