/**
  * Create new <tt>SummaryStatistics</tt> from the <tt>AggregateSummaryStatistics</tt> for all
  * the stream's stats that are watched.
  */
 public void clear() {
   downloadJitterMs = aggregateDownloadJitterMs.createContributingStatistics();
   downloadPercentLoss = aggregateDownloadPercentLoss.createContributingStatistics();
   downloadRateKiloBitPerSec = aggregateDownloadRateKiloBitPerSec.createContributingStatistics();
   jitterBufferDelayMs = aggregateJitterBufferDelayMs.createContributingStatistics();
   jitterBufferDelayPackets = aggregateJitterBufferDelayPackets.createContributingStatistics();
   nbDiscarded = aggregateNbDiscarded.createContributingStatistics();
   nbDiscardedFull = aggregateNbDiscardedFull.createContributingStatistics();
   nbDiscardedLate = aggregateNbDiscardedLate.createContributingStatistics();
   nbDiscardedReset = aggregateNbDiscardedReset.createContributingStatistics();
   nbDiscardedShrink = aggregateNbDiscardedShrink.createContributingStatistics();
   nbFec = aggregateNbFec.createContributingStatistics();
   nbPackets = aggregateNbPackets.createContributingStatistics();
   nbPacketsLost = aggregateNbPacketsLost.createContributingStatistics();
   nbReceivedBytes = aggregateNbReceivedBytes.createContributingStatistics();
   nbSentBytes = aggregateNbSentBytes.createContributingStatistics();
   packetQueueCountPackets = aggregatePacketQueueCountPackets.createContributingStatistics();
   packetQueueSize = aggregatePacketQueueSize.createContributingStatistics();
   percentDiscarded = aggregatePercentDiscarded.createContributingStatistics();
   rttMs = aggregateRttMs.createContributingStatistics();
   uploadJitterMs = aggregateUploadJitterMs.createContributingStatistics();
   uploadPercentLoss = aggregateUploadPercentLoss.createContributingStatistics();
   uploadRateKiloBitPerSec = aggregateUploadRateKiloBitPerSec.createContributingStatistics();
 }