- public <L extends DataTreeChangeListener> ListenerRegistration<L> registerDataTreeChangeListener(
- final DataTreeIdentifier treeId, final L listener) {
- if(treeChangeService == null) {
+ @Override
+ public <T extends DataObject, L extends DataTreeChangeListener<T>> ListenerRegistration<L>
+ registerDataTreeChangeListener(final DataTreeIdentifier<T> treeId, final L listener) {
+ if (treeChangeService == null) {