docs: public Map<Integer, ClientAffinityStats> getAffinityStats()
      {
          Map<Integer, ClientAffinityStats> retval = new TreeMap<Integer, ClientAffinityStats>();
          for (Entry<Integer, ClientAffinityStats> e : m_currentAffinity.entrySet()) {
              if (m_baselineAffinity.containsKey(e.getKey())) {
                  retval.put(e.getKey(), ClientAffinityStats.diff(e.getValue(), m_baselineAffinity.get(e.getKey())));
              }
              else {
                  retval.put(e.getKey(), (ClientAffinityStats) e.getValue().clone());
              }
          }
          return retval;
      }