argVariant = new StringArgument("variant", Argument.OPTIONAL, help_variant);
argTriple = new FlagArgument("triple", Argument.OPTIONAL, help_triple);
argAdd = new FlagArgument("add", Argument.OPTIONAL, help_add);
argRemove = new FlagArgument("remove", Argument.OPTIONAL, help_remove);
argSet = new FlagArgument("set", Argument.OPTIONAL, help_set);
argClass = new ClassNameArgument("class", Argument.OPTIONAL, help_class);
registerArguments(argTriple, argLayout, argCountry, argLanguage, argVariant,
argAdd, argRemove, argSet, argClass);
}