def METHOD_NAME(self, add_time: int = 0):
    current_hlc_timestamp = self.hlc_clock.get_new_hlc_timestamp()
    nanos = self.hlc_clock.get_nanos(current_hlc_timestamp)
    nanos = nanos + add_time
    return Datetime._from_datetime(
        dt.utcfromtimestamp(math.ceil(nanos / 1e9))
    )