class_docstr: Context manager for setup/teardown tasks.
  
  :meta private:
code: def set_teardown_task_as_leaves(cls, leaves):
      teardown_task = cls._teardown_downstream_of_setup
      if cls._context_managed_teardown_task:
          cls.set_dependency(
              cls._context_managed_teardown_task, teardown_task
          )
      else:
          cls.set_dependency(leaves, teardown_task)
  
imports: from __future__ import annotations
  from typing import TYPE_CHECKING, cast
  from airflow.exceptions import AirflowException
label_desc: Use image node_id 14 for calling the BaseSetupTeardownContext obj's underlying member method code with example usage: obj.set_teardown_task_as_leaves(cls, leaves) without return types