class DistributionStats implements DMStats {

  protected void incSerialQueueBytes(int amount) {
    serialQueueBytes.add(amount);
    this.stats.incInt(serialQueueBytesId, amount);
  }

  public  DistributionStats(StatisticsFactory f, long statId);
  @VisibleForTesting public  DistributionStats(StatisticsFactory factory, String textId, long statId,
      LongSupplier clock);
  @VisibleForTesting public  DistributionStats(Statistics statistics);
  @VisibleForTesting public  DistributionStats(Statistics statistics, LongSupplier clock);

}