code: def _metrics_options(p):
      
      _default_options(p, blacklist=['log-group', 'output-dir', 'cache', 'quiet'])
  
      p.add_argument(
          '--start', type=date_parse,
          help='Start date (requires --end, overrides --days)')
      p.add_argument(
          '--end', type=date_parse, help='End date')
      p.add_argument(
          '--days', type=int, default=14,
          help='Number of days of history to consider (default: %(default)i)')
      p.add_argument('--period', type=int, default=60 * 24 * 24)
docs: Add options specific to metrics subcommand.