from typing import Sequence, AnyStr, Text
import sys

if sys.version_info >= (3, 0):
    def commonprefix(m: Sequence[str]) -> str: ...
else:
    def commonprefix(m: Sequence[AnyStr]) -> AnyStr: ...

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: ...