- @Nonnull <T extends DataObject,L extends DataTreeChangeListener<T>> ListenerRegistration<L> registerDataTreeChangeListener(@Nonnull DataTreeIdentifier<T> treeId, @Nonnull L listener);
+ @Nonnull <T extends DataObject,L extends DataTreeChangeListener<T>> ListenerRegistration<L>
+ registerDataTreeChangeListener(@Nonnull DataTreeIdentifier<T> treeId, @Nonnull L listener);