import java.util.Optional;
import java.util.SortedSet;
import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
+import org.opendaylight.yangtools.yang.data.tree.api.DataTreeModification;
abstract class ShardDataTreeTransactionParent {