import java.util.HashSet;
import java.util.Map;
import java.util.Set;
-import javax.annotation.concurrent.GuardedBy;
-import javax.annotation.concurrent.ThreadSafe;
+import org.checkerframework.checker.lock.qual.GuardedBy;
import org.opendaylight.netconf.mdsal.notification.impl.ops.NotificationsTransformUtil;
import org.opendaylight.netconf.notifications.BaseNotificationPublisherRegistration;
import org.opendaylight.netconf.notifications.NetconfNotification;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-@ThreadSafe
+/**
+ * A thread-safe implementation NetconfNotificationRegistry.
+ */
public class NetconfNotificationManager implements NetconfNotificationCollector, NetconfNotificationRegistry,
NetconfNotificationListener, AutoCloseable {