docs: public String getConfigFolder() {
  
          // check if the system property is set and return its value
          if (CmsStringUtil.isNotEmpty(System.getProperty(CONFIG_FOLDER_PROPERTY))) {
              return System.getProperty(CONFIG_FOLDER_PROPERTY);
          } else {
              return getAbsoluteRfsPathRelativeToWebInf(FOLDER_CONFIG_DEFAULT);
          }
      }