import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.createEntity;
-import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
import com.google.common.base.Strings;
import com.google.common.base.Verify;
import java.util.Collection;
import java.util.Objects;
+import java.util.Optional;
import org.opendaylight.controller.cluster.access.concepts.MemberName;
import org.opendaylight.mdsal.eos.dom.api.DOMEntity;
import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;