code: def __getstate__(self) -> tuple[Any, _ConfigRebuild, _OptValidTypes]:
      return self.default, self.rebuild, self.valid_types
  
imports: from __future__ import annotations
  import sys
  import time
  import traceback
  import types
  import warnings
  from os import getenv, path
  from typing import TYPE_CHECKING, Any, Literal, NamedTuple, Union
  from sphinx.deprecation import RemovedInSphinx90Warning
  from sphinx.errors import ConfigError, ExtensionError
  from sphinx.locale import _, __
  from sphinx.util import logging
  from sphinx.util.osutil import fs_encoding
  from sphinx.util.typing import NoneType
label_desc: Use image node_id 8 for calling the _Opt obj's underlying member method code with example usage: obj.__getstate__() and returns: self,  self,  self