public RouteCommand() {
super(help_super);
argAdd = new FlagArgument("add", Argument.OPTIONAL, help_add);
argDel = new FlagArgument("del", Argument.OPTIONAL, help_del);
argTarget = new IPv4AddressArgument("target", Argument.OPTIONAL, help_target);
argGateway = new IPv4HostArgument("gateway", Argument.OPTIONAL, help_gateway);
argDevice = new DeviceArgument("device", Argument.OPTIONAL, help_device);
registerArguments(argAdd, argDel, argDevice, argGateway, argTarget);
}