docs: public ClientAffinityStats getAggregateAffinityStats()
      {
          long afWrites = 0;
          long afReads = 0;
          long rrWrites = 0;
          long rrReads = 0;
          Map<Integer, ClientAffinityStats> affinityStats = getAffinityStats();
          for (Entry<Integer, ClientAffinityStats> e : affinityStats.entrySet()) {
              afWrites += e.getValue().getAffinityWrites();
              afReads += e.getValue().getAffinityReads();
              rrWrites += e.getValue().getRrWrites();
              rrReads += e.getValue().getRrReads();
          }
          ClientAffinityStats retval = new ClientAffinityStats(Integer.MAX_VALUE, afWrites, rrWrites,
                 afReads, rrReads);
          return retval;
      }