import java.util.HashMap;
import java.util.List;
import java.util.Map;
-import javax.annotation.concurrent.GuardedBy;
+import org.checkerframework.checker.lock.qual.GuardedBy;
import org.opendaylight.controller.cluster.databroker.actors.dds.DataStoreClient;
import org.opendaylight.controller.cluster.datastore.AbstractDataStore;
import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener;