externalInformers kubeexternalinformers.SharedInformerFactory,
	serviceResolver aggregatorapiserver.ServiceResolver,
	proxyTransport *http.Transport,
	peerProxy utilpeerproxy.Interface,
	pluginInitializers []admission.PluginInitializer,
) (*aggregatorapiserver.Config, error) {
	// make a shallow copy to let us twiddle a few things

	genericPluginInitializer := initializer.New(nil, nil, nil, fakeAuthorizer{}, nil, nil, restMapper)
	pluginInitializer := controlplaneadmission.NewPluginInitializer(nil, nil)
	initializersChain := apiserveradmission.PluginInitializers{}
	initializersChain = append(initializersChain, genericPluginInitializer)
	initializersChain = append(initializersChain, pluginInitializer)

	initializersChain.Initialize(gcAdmit)
	return gcAdmit, nil
}