pathutil: replace the `skip` argument of `dirs` with a boolean It is ever only used for `r` file. So we make it a boolean this will give use more versatility later as we will stop storing the state explicitly. Differential Revision: https://phab.mercurial-scm.org/D11383

from typing import Optional

version: int

def b85encode(text: bytes, pad: Optional[int]) -> bytes: ...
def b85decode(text: bytes) -> bytes: ...