code: public void renderDiv(DivTag.State state, TreeElement elem)
      {
          ArrayList al = _lists[TreeHtmlAttributeInfo.HTML_LOCATION_DIV];
  
          assert(al != null);
          if (al.size() == 0)
              return;
  
          int cnt = al.size();
          for (int i = 0; i < cnt; i++) {
              TreeHtmlAttributeInfo attr = (TreeHtmlAttributeInfo) al.get(i);
              state.registerAttribute(AbstractHtmlState.ATTR_GENERAL, attr.getAttribute(), attr.getValue());
          }
      }
docs: This method will render the values assocated with the div around a treeItem.
  @param state
  @param elem