import akka.actor.ActorRef;
import java.util.Optional;
-import javax.annotation.Nonnull;
+import org.eclipse.jdt.annotation.NonNull;
public interface Bucket<T extends BucketData<T>> {
long getVersion();
- @Nonnull T getData();
+ @NonNull T getData();
default Optional<ActorRef> getWatchActor() {
return getData().getWatchActor();