import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-public class IdIntsListener implements ClusteredDOMDataTreeChangeListener {
+public final class IdIntsListener implements ClusteredDOMDataTreeChangeListener {
private static final Logger LOG = LoggerFactory.getLogger(IdIntsListener.class);
private static final long SECOND_AS_NANO = 1000000000;