def add_arguments(self, parser):
        parser.add_argument('args', nargs='*')

        parser.add_argument('--indiv-id')
        parser.add_argument('--cohort-id')
        parser.add_argument('--clear', action="store_true", help="Whether to clear any previously-added VCF paths before adding this one")
        parser.add_argument('--load', action="store_true", help="Whether to  also load the VCF data, and not just add record its path in the meta-data tables")