| boolean | DataTreeIdentifier. contains(DataTreeIdentifier<?> other) | 
| <T extends org.opendaylight.yangtools.yang.binding.DataObject,L extends DataTreeChangeListener<T>>org.opendaylight.yangtools.concepts.ListenerRegistration<L>
 | ForwardingDataBroker. registerDataTreeChangeListener(DataTreeIdentifier<T> treeId,
                              L listener) | 
| <T extends org.opendaylight.yangtools.yang.binding.DataObject,L extends DataTreeChangeListener<T>>@NonNull org.opendaylight.yangtools.concepts.ListenerRegistration<L>
 | DataTreeChangeService. registerDataTreeChangeListener(@NonNull DataTreeIdentifier<T> treeId,
                              L listener)Registers a  DataTreeChangeListener to receive
 notifications when data changes under a given path in the conceptual data
 tree. |