def Args(parser):
    base.URI_FLAG.RemoveFromParser(parser)
    parser.add_argument(
        'json_file',
        metavar='JSON-FILE',
        nargs='?',
        default=None,
        help=('A file containing JSON data for a single resource or a list of'
              ' resources of the same type. If omitted then the standard input'
              ' is read.'))