1  from datetime import date, datetime, time, timedelta
   2  from typing import Any, Optional
   3  
   4  date_re: Any
   5  time_re: Any
   6  datetime_re: Any
   7  standard_duration_re: Any
   8  iso8601_duration_re: Any
   9  postgres_interval_re: Any
  10  
  11  def parse_date(value: str) -> Optional[date]: ...
  12  def parse_time(value: str) -> Optional[time]: ...
  13  def parse_datetime(value: str) -> Optional[datetime]: ...
  14  def parse_duration(value: str) -> Optional[timedelta]: ...
  15