serviceControllers := s.ServiceController()

	s.serviceEntryController = serviceentry.NewController(
		s.configController, s.XDSServer,
		s.environment.Watcher,
		serviceentry.WithClusterID(s.clusterID),
	)
	serviceControllers.AddRegistry(s.serviceEntryController)

	registered := sets.New[provider.ID]()
	for _, r := range args.RegistryOptions.Registries {
		serviceRegistry := provider.ID(r)

			kubeController.workloadEntryController = serviceentry.NewWorkloadEntryController(
				configStore, options.XDSUpdater,
				m.opts.MeshWatcher,
				serviceentry.WithClusterID(cluster.ID),
				serviceentry.WithNetworkIDCb(kubeRegistry.Network))
			// Services can select WorkloadEntry from the same cluster. We only duplicate the Service to configure kube-dns.

	}

	serviceDiscovery := aggregate.NewController(aggregate.Options{})
	se := serviceentry.NewController(
		configController,
		xdsUpdater,
		env.Watcher,
		serviceentry.WithClusterID(opts.ClusterID))
	// TODO allow passing in registry, for k8s, mem reigstry
	serviceDiscovery.AddRegistry(se)
	msd := memregistry.NewServiceDiscovery(opts.Services...)
	msd.XdsUpdater = xdsUpdater

	workloadEntryController bool

	meshWatcher mesh.Watcher

	model.NoopAmbientIndexes
	model.NetworkGatewaysHandler
}

type Option func(*Controller)

func WithClusterID(clusterID cluster.ID) Option {
	return func(o *Controller) {
		o.clusterID = clusterID
	}
}

func WithNetworkIDCb(cb func(endpointIP string, labels labels.Instance) network.ID) Option {