import org.opendaylight.controller.cluster.access.concepts.LocalHistoryIdentifier;
import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
import org.opendaylight.controller.cluster.datastore.persisted.ShardDataTreeSnapshotMetadata;
abstract class ShardDataTreeMetadata<T extends ShardDataTreeSnapshotMetadata<T>> {
import org.opendaylight.controller.cluster.access.concepts.LocalHistoryIdentifier;
import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
import org.opendaylight.controller.cluster.datastore.persisted.ShardDataTreeSnapshotMetadata;
abstract class ShardDataTreeMetadata<T extends ShardDataTreeSnapshotMetadata<T>> {