docs: public void addAllBackup(Map<Long, Data> dataMap) {
          for (Map.Entry<Long, Data> entry : dataMap.entrySet()) {
              QueueItem item = new QueueItem(this, entry.getKey(), null);
              if (!store.isEnabled() || store.getMemoryLimit() > getItemQueue().size()) {
                  item.setData(entry.getValue());
              }
              getBackupMap().put(item.getItemId(), item);
          }
      }