code: def gloo_built(verbose=False):
      for ext_base_name in EXTENSIONS:
          built_fn = lambda ext: ext.gloo_built()
          result = _check_extension_lambda(
              ext_base_name, built_fn, "built with Gloo", verbose
          )
          if result is not None:
              return result
      return None
  
imports: import json
  import multiprocessing
  import os
  import sys
  import sysconfig
  import warnings
  from contextlib import contextmanager
  from horovod.common.exceptions import get_version_mismatch_message, HorovodVersionMismatchError
label_desc: Use image node_id 9 for calling a global function with example usage: gloo_built(verbose) and returns: None, result