-import org.opendaylight.controller.md.sal.dom.spi.AbstractRegistrationTree;
-import org.opendaylight.controller.md.sal.dom.spi.RegistrationTreeNode;
-import org.opendaylight.controller.md.sal.dom.spi.RegistrationTreeSnapshot;
-import org.opendaylight.yangtools.concepts.ListenerRegistration;
+import org.opendaylight.mdsal.dom.spi.AbstractRegistrationTree;
+import org.opendaylight.mdsal.dom.spi.RegistrationTreeNode;
+import org.opendaylight.mdsal.dom.spi.RegistrationTreeSnapshot;