#[cfg_attr(target_family ="unix", path ="unix.rs")]modimp;/// Update time zone information from the system.
////// For safety documentation, see [`time::util::refresh_tz`].
pub(crate)unsafefnrefresh_tz_unchecked(){// Safety: The caller must uphold the safety requirements.
unsafe{imp::refresh_tz_unchecked()}}/// Attempt to update time zone information from the system.
////// Returns `None` if the call is not known to be sound.
pub(crate)fnrefresh_tz()->Option<()>{imp::refresh_tz()}