from typing import IO, Any, List HIGHEST_PROTOCOL: int compatible_formats: List[str] format_version: str class Pickler: def __init__(self, file: IO[str], protocol: int = ...) -> None: ... def dump(self, obj: Any) -> None: ... def clear_memo(self) -> None: ... class Unpickler: def __init__(self, file: IO[str]) -> None: ... def load(self) -> Any: ... def noload(self) -> Any: ... def dump(obj: Any, file: IO[str], protocol: int = ...) -> None: ... def dumps(obj: Any, protocol: int = ...) -> str: ... def load(file: IO[str]) -> Any: ... def loads(str: str) -> Any: ... class PickleError(Exception): ... class UnpicklingError(PickleError): ... class BadPickleGet(UnpicklingError): ... class PicklingError(PickleError): ... class UnpickleableError(PicklingError): ...