code: private long findMaxTimestamp() {
          if (!isInit) {
              init();
          }
          long max = 0;
          for (int i = 0; i < allNodes.length; i++) {
              if (allNodes[i] != null && allNodes[i].getLastTimestamp() > max) {
                  max = allNodes[i].getLastTimestamp();
              }
          }
          return max;
      }
docs: <p>Returns the maximum uuid timestamp generated from all <code>Node</code>s</p>
  
  @return maximum uuid timestamp generated from all <code>Node</code>s.