code: def get(self, key: str) -> str | None:
      ...
  
imports: from __future__ import annotations
  from typing import Callable, Iterator, Mapping, Optional, Tuple, TypeVar, Union, TYPE_CHECKING, NoReturn, NamedTuple, overload, cast
  import os
  from .exceptions import ParseError
  from .None import _parse
  from ._parse import COMMENTCHARS, iscommentline
label_desc: Use image node_id 3 for calling the SectionWrapper obj's underlying member method code with example usage: obj.get(key) without return types