protected Map<String, String> getConfigPrameterMap(final ResponseData responseData, final ConfigName config) {
                return Map.of();
            }
        }.getChildUrlRules(null, null).map(v -> v.getFirst() + ":" + v.getSecond()).collect(Collectors.joining(",")));
        assertEquals("//A:href", new FessXpathTransformer() {

     * @param resultData the result data
     * @return stream of tag-attribute pairs for URL extraction
     */
    @Override
    protected Stream<Pair<String, String>> getChildUrlRules(final ResponseData responseData, final ResultData resultData) {
        final Map<String, String> configMap = getConfigPrameterMap(responseData, ConfigName.CONFIG);