docs: private static String getClientConnectionKeyBase(String[] servers, String user,
              String password, boolean isHeavyWeight, int maxOutstandingTxns, boolean reconnectOnConnectionLoss) {
          String clientConnectionKeyBase = user + ":" + password + "@";
          for (int i = 0; i < servers.length; i++)
              clientConnectionKeyBase += servers[i].trim() + ",";
          clientConnectionKeyBase += "{"
                  + Boolean.toString(isHeavyWeight) + ":" + Integer.toString(maxOutstandingTxns)
                  + ":" + Boolean.toString(reconnectOnConnectionLoss) + "}";
          return clientConnectionKeyBase;
      }