docs: public List<I_CmsXmlContentValue> getSimpleValuesBelowPath(String elementPath, Locale locale) {
  
          List<I_CmsXmlContentValue> result = new ArrayList<I_CmsXmlContentValue>();
          for (I_CmsXmlContentValue value : getValuesByPath(elementPath, locale)) {
              if (value.isSimpleType()) {
                  result.add(value);
              } else {
                  result.addAll(getAllSimpleSubValues(value));
              }
          }
  
          return result;
      }