code: protected synchronized void doFlush() {
  
          Iterator<WeakReference<CmsExplorerTypeAccess>> iter = m_contents.iterator();
          while (iter.hasNext()) {
              WeakReference<CmsExplorerTypeAccess> ref = iter.next();
              CmsExplorerTypeAccess access = ref.get();
              if (access == null) {
                  iter.remove();
              } else {
                  access.flushCache();
              }
          }
      }
docs: Flushes the cache for all registered access setting objects.<p>