docs: public Element getLocaleNode(Locale locale) throws CmsRuntimeException {
  
          String localeStr = locale.toString();
          Iterator<Element> i = CmsXmlGenericWrapper.elementIterator(m_document.getRootElement());
          while (i.hasNext()) {
              Element element = i.next();
              if (localeStr.equals(element.attributeValue(CmsXmlContentDefinition.XSD_ATTRIBUTE_VALUE_LANGUAGE))) {
                  // language element found, return it
                  return element;
              }
          }
          // language element was not found
          throw new CmsRuntimeException(Messages.get().container(Messages.ERR_XMLCONTENT_MISSING_LOCALE_1, locale));
      }