LastResources Resources
}

type Watcher interface {
	DeleteWatchedResource(url string)
	GetWatchedResource(url string) *WatchedResource
	NewWatchedResource(url string, names []string)
	UpdateWatchedResource(string, func(*WatchedResource) *WatchedResource)
	// GetID identifies an xDS client. This is different from a connection ID.
	GetID() string
}

	w.Lock()
	defer w.Unlock()
	w.watch = nil
}

func (w *Watch) GetWatchedResource(string) *xds.WatchedResource {
	w.Lock()
	defer w.Unlock()
	return w.watch
}

func (w *Watch) NewWatchedResource(typeURL string, names []string) {
	w.Lock()
	defer w.Unlock()
	w.watch = &xds.WatchedResource{TypeUrl: typeURL, ResourceNames: names}
}

	node.RLock()
	defer node.RUnlock()
	wr := node.WatchedResources[v3.EndpointType]
	if wr != nil {
		return wr.ResourceNames
	}
	return nil
}

func (node *Proxy) NewWatchedResource(typeURL string, names []string) {
	node.Lock()
	defer node.Unlock()

	node.WatchedResources[typeURL] = &WatchedResource{TypeUrl: typeURL, ResourceNames: names}