delegate:  delegateHandler,
	}
	groupDiscoveryHandler := &groupDiscoveryHandler{
		discovery: map[string]*discovery.APIGroupHandler{},
		delegate:  delegateHandler,
	}
	establishingController := establish.NewEstablishingController(s.Informers.Apiextensions().V1().CustomResourceDefinitions(), crdClient.ApiextensionsV1())
	crdHandler, err := NewCustomResourceDefinitionHandler(
		versionDiscoveryHandler,

		&versionDiscoveryHandler{}, &groupDiscoveryHandler{},
		crdInformer,
		http.HandlerFunc(func(http.ResponseWriter, *http.Request) {}),
		restOptionsGetter,
		dummyAdmissionImpl{},
		&establish.EstablishingController{},
		dummyServiceResolverImpl{},
		func(r webhook.AuthenticationInfoResolver) webhook.AuthenticationInfoResolver { return r },
		1,
		dummyAuthorizerImpl{},
		time.Minute, time.Minute, nil, 3*1024*1024)