Fix documentation of getItems's return value
@@ -1110,7 +1110,7 @@ public class Queue extends ResourceController implements Saveable {
/**
* Gets the information about the queue item for the given project.
*
- * @return null if the project is not in the queue.
+ * @return empty if the project is not in the queue.
*/
public List<Item> getItems(Task t) {
Snapshot snapshot = this.snapshot;
