code: def _clear_names(cls):
      # For testing purposes only.
      cls._names.clear()
  
imports: import inspect
  import warnings
  from typing import Any, Callable, Dict, List, Optional, Union, TYPE_CHECKING
  from baikal._core.data_placeholder import DataPlaceholder, is_data_placeholder_list
  from baikal._core.utils import listify, make_name, make_repr
label_desc: Use image node_id 3 for calling the _StepBase obj's underlying member method code with example usage: obj._clear_names(cls) without return types