code: def __init__(self) -> None:
      self.warnings: list[str] = []
      self.default = None
  
imports: from __future__ import annotations
  import functools
  import logging
  import os
  import sys
  import warnings
  from collections import UserDict
  from contextlib import contextmanager
  from typing import IO, TYPE_CHECKING, Any, Generic, Iterator, List, Mapping, Sequence, Tuple, TypeVar, overload
  from mkdocs import exceptions, utils
  from mkdocs.utils import weak_property
label_desc: Use image node_id 1 to create a new BaseConfigOption object from inherited base classes: Generic with example: obj = BaseConfigOption()