def cli_parse(parser):
    """Add method specific options to CLI parser.

    Parameters
    ----------
    parser : argparse object

    Returns
    ----------
    Updated argparse object
    """
    parser.add_argument('--max-order', type=int, required=False, default=2,
                        choices=[1, 2],
                        help='Maximum order of sensitivity indices \
                           to calculate')
    parser.add_argument('--skip-values', type=int, required=False, default=1024,
                        help='Number of sample points to skip (default: 1024)')

    # hacky way to remove an argument (seed option is not relevant for Saltelli)
    remove_opts = [x for x in parser._actions if x.dest == 'seed']
    [parser._handle_conflict_resolve(None, [('--seed', x), ('-s', x)]) for x in remove_opts]

    return parser