from datetime import ( datetime, tzinfo, ) from typing import Callable import numpy as np from pandas._typing import npt # imported from dateutil.tz dateutil_gettz: Callable[[str], tzinfo] def tz_standardize(tz: tzinfo) -> tzinfo: ... def tz_compare(start: tzinfo | None, end: tzinfo | None) -> bool: ... def infer_tzinfo( start: datetime | None, end: datetime | None, ) -> tzinfo | None: ... def get_dst_info( tz: tzinfo, ) -> tuple[npt.NDArray[np.int64], npt.NDArray[np.int64], str]: ... def maybe_get_tz(tz: str | int | np.int64 | tzinfo | None) -> tzinfo | None: ... def get_timezone(tz: tzinfo) -> tzinfo | str: ... def is_utc(tz: tzinfo | None) -> bool: ...