code: public void deleteOld() {
  
          Iterator<CmsResourceTypeStatResult> iterator = m_results.iterator();
          while (iterator.hasNext()) {
              CmsResourceTypeStatResult res = iterator.next();
              if (isToOld(res)) {
                  iterator.remove();
              }
          }
      }
docs: Deletes entries which are older than MAX_TIME.<p>