def METHOD_NAME(cls, parser, access):
    super().METHOD_NAME(parser, access)
    def address(arg):
        return int(arg, 0)
    parser.add_argument(
        "-A", "--i2c-address", type=address, metavar="I2C-ADDR", default=0b0101000,
        help="I²C address of the STUSB4500; typically 0b0101000 "
             "(default: 0b0101000)")