if err != nil {
				return nil, fmt.Errorf("unmarshal listener: %v", err)
			}
			listeners = append(listeners, listenerTyped)
		}
	}

	for _, l := range listenerDump.StaticListeners {
		if l.Listener != nil {
			listenerTyped := &listener.Listener{}
			// Support v2 or v3 in config dump. See ads.go:RequestedTypes for more info.
			l.Listener.TypeUrl = v3.ListenerType