code: def dump(obj, file, reducers=None, protocol=None):
      """Replacement for pickle.dump() using _LokyPickler."""
      global _LokyPickler
      _LokyPickler(file, reducers=reducers, protocol=protocol).dump(obj)
  
file_path: catboost/contrib/python/joblib/joblib/externals/loky/backend/reduction.py
imports: import copyreg
  import io
  import functools
  import types
  import sys
  import os
  from multiprocessing import util
  from pickle import loads, HIGHEST_PROTOCOL
label_desc: Use image node_id 8 for calling a global function with example usage: dump(obj, file, reducers, protocol) without return types