from typing import Optional class _Quoter: def __init__( self, *, safe: str = ..., protected: str = ..., qs: bool = ..., requote: bool = ... ) -> None: ... def __call__(self, val: Optional[str] = ...) -> Optional[str]: ... class _Unquoter: def __init__(self, *, unsafe: str = ..., qs: bool = ...) -> None: ... def __call__(self, val: Optional[str] = ...) -> Optional[str]: ...