docs: private Queue<List<Data>> createBatchChunks(List<Data> keys) {
          Queue<List<Data>> chunks = new LinkedList<>();
          int loadBatchSize = getLoadBatchSize();
          int page = 0;
          List<Data> tmpKeys;
          while ((tmpKeys = getBatchChunk(keys, loadBatchSize, page++)) != null) {
              chunks.add(tmpKeys);
          }
          return chunks;
      }