def METHOD_NAME(self, argp):
    import argparse
    argp = super().METHOD_NAME(argp)
    argp.add_argument("-y", dest='yconfig', action='append',
                      help="Configuration file", nargs=1)
    argp.add_argument('--dry-run', action='store_true', default=False,
                      help='do not execute final command')
    argp.add_argument('--yforce', action='store_true', default=False,
                      help='ignore all errors')
    argp.add_argument('extra', nargs=argparse.REMAINDER)
    return argp