docs: protected List<Element> getEditableElements() {
  
          List<Element> elems = CmsDomUtil.getElementsByClass(CmsGwtConstants.CLASS_EDITABLE, Tag.div, getElement());
          List<Element> result = Lists.newArrayList();
          for (Element currentElem : elems) {
              // don't return elements which are contained in nested containers
              if (m_parent.getContainerId().equals(getParentContainerId(currentElem))) {
                  result.add(currentElem);
              }
          }
          return result;
      }