code: protected static boolean hasMetrics(CommunicationSummaryStatistics css) {
          if (css.getCount() > 0) {
              return true;
          }
          for (ConnectionStatistics cs : css.getOutbound().values()) {
              if (cs.getCount() > 0) {
                  return true;
              }
              if (cs.getNode() != null) {
                  if (hasMetrics(cs.getNode())) {
                      return true;
                  }
              }
          }
          return false;
      }
docs: This method determines whether the communication summary statistics have defined
  metrics.
  
  @param css The communication summary structure
  @return Whether they include metrics