docs: private Map<Integer, List<DelayedEntry>> doStoreUsingBatchSize(List<DelayedEntry> sortedDelayedEntries) {
          Map<Integer, List<DelayedEntry>> failsPerPartition = new HashMap<>();
          int page = 0;
          List<DelayedEntry> delayedEntryList;
          while ((delayedEntryList = getBatchChunk(sortedDelayedEntries, writeBatchSize, page++)) != null) {
              Map<Integer, List<DelayedEntry>> fails = processInternal(delayedEntryList);
              Set<Map.Entry<Integer, List<DelayedEntry>>> entries = fails.entrySet();
              for (Map.Entry<Integer, List<DelayedEntry>> entry : entries) {
                  addFailsTo(failsPerPartition, entry.getValue());
              }
          }
          return failsPerPartition;
      }