code: @Override
      public void render(final HeaderItem _item)
      {
          if (_item instanceof OnDojoReadyHeaderItem) {
              this.dojoReadyItems.add((OnDojoReadyHeaderItem) _item);
          } else if (_item instanceof AbstractEFapsHeaderItem) {
              this.eFapsHeaderItems.add((AbstractEFapsHeaderItem) _item);
          } else if (_item instanceof AutoCompleteHeaderItem) {
              this.autoCompleteItems.add((AutoCompleteHeaderItem) _item);
          } else if (_item instanceof RequireHeaderItem) {
              this.requireHeaderItems.add((RequireHeaderItem) _item);
          } else {
              super.render(_item);
          }
      }
docs: Renders the given {@link HeaderItem} to the response if none of the
  {@linkplain HeaderItem#getRenderTokens() tokens} of the item has been rendered before.
  
  @param _item  The item to render.