docs: public I_CmsXmlContentValue addValue(CmsObject cms, String xpath, int index) {
  
          I_CmsXmlContentValue newValue = m_content.addValue(cms, xpath, getLocale(), index);
  
          // re-initialize the value list
          m_values = m_content.getValues(getPath(), getLocale());
  
          return newValue;
      }