code: def add_arguments(cls, parser, sys_arg_list=None):
          
          parser.add_argument('--icmp_check_interval',
                              dest='icmp_check_interval',
                              required=False, default=2, type=float,
                              help="ICMPecho interval in seconds, default 2 "
                                   "(only for 'icmpecho' health monitor plugin)")
          return ["icmp_check_interval"]
docs: Arguments for the ICMPecho health monitor plugin.