fss := cliflag.NamedFlagSets{}
	s.Generic.AddFlags(&fss, allControllers, disabledByDefaultControllers, controllerAliases)
	s.KubeCloudShared.AddFlags(fss.FlagSet("generic"))
	s.ServiceController.AddFlags(fss.FlagSet(cpnames.ServiceLBController))

	s.SecureServing.AddFlags(fss.FlagSet("secure serving"))
	s.Authentication.AddFlags(fss.FlagSet("authentication"))

	return &s
}

func (s *Options) AddFlags(fss *cliflag.NamedFlagSets) {
	// Add the generic flags.
	s.GenericServerRunOptions.AddUniversalFlags(fss.FlagSet("generic"))
	s.Etcd.AddFlags(fss.FlagSet("etcd"))
	s.SecureServing.AddFlags(fss.FlagSet("secure serving"))
	s.Audit.AddFlags(fss.FlagSet("auditing"))
	s.Features.AddFlags(fss.FlagSet("features"))
	s.Authentication.AddFlags(fss.FlagSet("authentication"))

        output.contains("name: fss")
        output.contains("display-name: FunctionalSourceSet 'fss'")
        output.contains("to-string: FunctionalSourceSet 'fss'")
    }

    def "can view a functional source set as a ModelElement"() {
        buildScript """
        apply plugin: 'language-base'

        class Rules extends RuleSource {
            @Model
            void fss(FunctionalSourceSet sources) {
            }

	kubeoptions "k8s.io/kubernetes/pkg/kubeapiserver/options"
)

func TestAddFlags(t *testing.T) {
	fs := pflag.NewFlagSet("addflagstest", pflag.PanicOnError)
	s := NewOptions()
	var fss cliflag.NamedFlagSets
	s.AddFlags(&fss)
	for _, f := range fss.FlagSets {
		fs.AddFlagSet(f)
	}

	args := []string{
		"--enable-admission-plugins=AlwaysDeny",
		"--admission-control-config-file=/admission-control-config",