private ListenerRegistration<DataChangeListener> listenerRegistration;
protected final Map<InstanceIdentifier<Node>, Map<InstanceIdentifier<T>, Integer>> mapNodesForDelete = new ConcurrentHashMap<>();
private ListenerRegistration<DataChangeListener> listenerRegistration;
protected final Map<InstanceIdentifier<Node>, Map<InstanceIdentifier<T>, Integer>> mapNodesForDelete = new ConcurrentHashMap<>();