docs: private List<CmsSearchField> getFields() {
  
          CmsSearchManager manager = OpenCms.getSearchManager();
          I_CmsSearchFieldConfiguration fieldConfig = manager.getFieldConfiguration(getParamFieldconfiguration());
          List<CmsSearchField> result;
          if (fieldConfig != null) {
              result = fieldConfig.getFields();
          } else {
              result = Collections.emptyList();
              if (LOG.isErrorEnabled()) {
                  LOG.error(
                      Messages.get().getBundle().key(
                          Messages.ERR_SEARCHINDEX_EDIT_MISSING_PARAM_1,
                          A_CmsFieldConfigurationDialog.PARAM_FIELDCONFIGURATION));
              }
          }
          return result;
      }