docs: public void setXpath(String xpath) {
  
          if (CmsStringUtil.isNotEmptyOrWhitespaceOnly(xpath)) {
              xpath = xpath.trim();
              if (xpath.startsWith("/")) {
                  xpath = xpath.substring(1);
              }
              if (xpath.endsWith("/")) {
                  xpath = xpath.substring(0, xpath.length() - 1);
              }
          }
          m_xpath = xpath;
      }