code: def _logs_options(p):
      
      _default_options(p, blacklist=['cache', 'quiet'])
  
      # default time range is 0 to "now" (to include all log entries)
      p.add_argument(
          '--start',
          default='the beginning',  # invalid, will result in 0
          help='Start date and/or time',
      )
      p.add_argument(
          '--end',
          default=datetime.now().strftime('%c'),
          help='End date and/or time',
      )
docs: Add options specific to logs subcommand.