code: def _ipython_key_completions_(self) -> Iterable:
      return self._keys
  
file_path: DeepPavlov/deeppavlov/configs/__init__.py
imports: from pathlib import Path
  from typing import Iterator, Dict, Union, Iterable
label_desc: Use image node_id 7 for calling the Struct obj's underlying member method code with example usage: obj._ipython_key_completions_() and returns: self