import org.opendaylight.controller.sal.core.api.mount.MountProvisionListener;
import org.opendaylight.yangtools.concepts.ListenerRegistration;
import org.opendaylight.yangtools.concepts.ObjectRegistration;
-import org.opendaylight.yangtools.concepts.util.ListenerRegistry;
+import org.opendaylight.yangtools.util.ListenerRegistry;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;