import org.slf4j.LoggerFactory;
import org.sonar.api.config.Settings;
import org.sonar.api.resources.Project;
+import org.sonar.api.task.TaskExtension;
import org.sonar.api.utils.DateUtils;
import org.sonar.core.purge.PurgeDao;
import org.sonar.core.purge.PurgeSnapshotQuery;
import java.util.List;
-public class DefaultPeriodCleaner {
+public class DefaultPeriodCleaner implements TaskExtension {
private static final Logger LOG = LoggerFactory.getLogger(DefaultPeriodCleaner.class);
private PurgeDao purgeDao;