code: def add_arguments(cls, parser, sys_arg_list=None):
          
          parser.add_argument('--tcp_check_interval',
                              dest='tcp_check_interval',
                              required=False, default=2, type=float,
                              help="TCP health-test interval in seconds, "
                                   "default 2 "
                                   "(only for 'tcp' health monitor plugin)")
          parser.add_argument('--tcp_check_port',
                              dest='tcp_check_port',
                              required=False, default=22, type=int,
                              help="Port for TCP health-test, default 22 "
                                   "(only for 'tcp' health monitor plugin)")
          return ["tcp_check_interval", "tcp_check_port"]
docs: Arguments for the TCP health monitor plugin.