code: def cross_downstream(*args, **kwargs):
      """Use `airflow.models.baseoperator.cross_downstream`, this function is deprecated."""
      warnings.warn(
          "This function is deprecated. Please use `airflow.models.baseoperator.cross_downstream`.",
          RemovedInAirflow3Warning,
          stacklevel=2,
      )
      return import_string(
          "airflow.models.baseoperator.cross_downstream"
      )(*args, **kwargs)
  
imports: from __future__ import annotations
  import copy
  import itertools
  import re
  import signal
  import warnings
  from datetime import datetime
  from functools import reduce
  from typing import TYPE_CHECKING, Any, Callable, Generator, Iterable, Mapping, MutableMapping, TypeVar, cast
  from lazy_object_proxy import Proxy
  from airflow.configuration import conf
  from airflow.exceptions import AirflowException, RemovedInAirflow3Warning
  from airflow.utils.module_loading import import_string
  from airflow.utils.types import NOTSET
label_desc: Use image node_id 17 for calling a global function with example usage: cross_downstream() and returns: import_string