import sys from typing import AnyStr, Sequence, Text, Union if sys.version_info >= (3, 0): def commonprefix(m: Sequence[str]) -> str: ... else: def commonprefix(m: Sequence[AnyStr]) -> AnyStr: ... if sys.version_info >= (3, 6): from builtins import _PathLike def exists(path: Union[AnyStr, _PathLike[AnyStr]]) -> bool: ... else: def exists(path: Text) -> bool: ... def isfile(path: Text) -> bool: ... def isdir(s: Text) -> bool: ... def getsize(filename: Text) -> int: ... def getmtime(filename: Text) -> float: ... def getatime(filename: Text) -> float: ... def getctime(filename: Text) -> float: ... if sys.version_info >= (3, 4): def samestat(s1: str, s2: str) -> int: ... def samefile(f1: str, f2: str) -> int: ... def sameopenfile(fp1: str, fp2: str) -> int: ...