from typing import Dict, List, Mapping, Optional, Sequence, Tuple, Union _Cap = Dict[str, Union[str, int]] def findmatch( caps: Mapping[str, List[_Cap]], MIMEtype: str, key: str = ..., filename: str = ..., plist: Sequence[str] = ... ) -> Tuple[Optional[str], Optional[_Cap]]: ... def getcaps() -> Dict[str, List[_Cap]]: ...