final DOMDataTreeChangeListener domDataTreeChangeListener = mock(DOMDataTreeChangeListener.class);
final ListenerRegistration listenerRegistration = mock(ListenerRegistration.class);
doReturn(listenerRegistration).when(domDataTreeShard).registerTreeChangeListener(any(), any());
final DOMDataTreeChangeListener domDataTreeChangeListener = mock(DOMDataTreeChangeListener.class);
final ListenerRegistration listenerRegistration = mock(ListenerRegistration.class);
doReturn(listenerRegistration).when(domDataTreeShard).registerTreeChangeListener(any(), any());