code: def openapi_example(self) -> t.Any | None:
      raise NotImplementedError
  
imports: from __future__ import annotations
  import typing
  from abc import ABC
  from abc import abstractmethod
  from functools import update_wrapper
  from ...exceptions import InvalidArgument
label_desc: Use image node_id 3 for calling the _OpenAPIMeta obj's underlying member method code with example usage: obj.openapi_example() without return types