docs: public String getDescription(CmsObject cms) {
  
          if (m_description == null) {
              if (m_element.element(PARAM_DESCRIPTION) != null) {
                  m_description = m_element.element(PARAM_DESCRIPTION).getText();
              }
              if (CmsStringUtil.isEmptyOrWhitespaceOnly(m_description)) {
                  m_description = getParameterValue(cms, PARAM_DESCRIPTION);
                  m_description = CmsEncoder.unescape(m_description, CmsEncoder.ENCODING_UTF_8);
              }
          }
          return m_description;
      }