def METHOD_NAME():
    parser = ArgumentParser(
        description='Report counts on all contigs at some reference positions',
        formatter_class=ArgumentDefaultsHelpFormatter)
    parser.add_argument('start',
                        type=int,
                        help='Start position in reference (one-based)')
    parser.add_argument('end',
                        type=int,
                        help='End position in reference (one-based, included)')
    parser.add_argument('scratch',
                        nargs=OPTIONAL,
                        default='.',
                        type=FileSet(['genome_coverage.csv', 'aligned.csv']),
                        help='Scratch folder to search for contigs')
    parser.add_argument('-r', '--ref',
                        help='Prefix of references to include')
    return parser