docs: public QueueItem peek() {
          QueueItem item = getItemQueue().peek();
          if (item == null) {
              return null;
          }
          if (store.isEnabled() && item.getData() == null) {
              try {
                  load(item);
              } catch (Exception e) {
                  throw new HazelcastException(e);
              }
          }
          return item;
      }