final CrawlingConfig crawlingConfig = crawlingConfigHelper.get(sessionId);
        final Map<String, String> configParams = crawlingConfig.getConfigParameterMap(ConfigName.CONFIG);
        final String crawlOrder = configParams.getOrDefault(CrawlingConfig.Param.Config.CRAWL_ORDER, ORDER_SEQUENTIAL);
        if (ORDER_RANDOM.equals(crawlOrder)) {

        // from config
        final String scriptType = crawlingConfig.getScriptType();
        final Map<String, String> scriptConfigMap = crawlingConfig.getConfigParameterMap(ConfigName.SCRIPT);
        final Map<String, String> metaConfigMap = crawlingConfig.getConfigParameterMap(ConfigName.META);
        for (final Map.Entry<String, String> entry : metaConfigMap.entrySet()) {
            final String key = entry.getKey();

        final String mimeType = responseData.getMimeType();

        final FieldConfigs fieldConfigs = new FieldConfigs(crawlingConfig.getConfigParameterMap(ConfigName.FIELD));
        final Map<String, String> xpathConfigMap = crawlingConfig.getConfigParameterMap(ConfigName.XPATH);

        String urlEncoding;
        final UrlQueue<?> urlQueue = CrawlingParameterUtil.getUrlQueue();

            return new DigestScheme();
        }
        if (Constants.NTLM.equals(scheme)) {
            final Properties props = new Properties();
            getWebConfig().getConfigParameterMap(ConfigName.CONFIG)
                    .entrySet()
                    .stream()
                    .filter(e -> e.getKey().startsWith(Config.JCIFS_PREFIX))
                    .forEach(e -> {

            crawlerContext.setMaxAccessCount(maxCount);

            webConfig.initializeClientFactory(() -> crawler.getClientFactory());
            final Map<String, String> configParamMap = webConfig.getConfigParameterMap(ConfigName.CONFIG);

            if (Constants.TRUE.equalsIgnoreCase(configParamMap.get(Config.CLEANUP_ALL))) {
                deleteCrawlData(sid);

            }
            authScope = new AuthScope(hostname, p, r, s);
        }
        return authScope;
    }

    @Override
    public Map<String, String> getConfigParameterMap(final ConfigName name) {
        if (configParameterMap == null) {
            configParameterMap = ParameterUtil.createConfigParameterMap(getHandlerParameter());
        }

        if (content == null) {
            return StringUtil.EMPTY; // empty
        }

        if (crawlingConfig != null) {
            final Map<String, String> configParam = crawlingConfig.getConfigParameterMap(ConfigName.CONFIG);
            if (configParam != null && Constants.TRUE.equalsIgnoreCase(configParam.get(Param.Config.KEEP_ORIGINAL_BODY))) {
                return content;
            }
        }

        final CrawlingConfig crawlingConfig = crawlingConfigHelper.get(crawlerContext.getSessionId());
        final Map<String, String> clientConfigMap = crawlingConfig.getConfigParameterMap(ConfigName.CLIENT);
        final String value = clientConfigMap.get(CRAWLER_CLIENTS);
        final CrawlerClient client = getClientRuleList(value).stream().map(e -> {

        final CrawlingConfig config = getCrawlingConfig(configId);
        if (config == null) {
            return OptionalThing.empty();
        }
        final String pipeline = config.getConfigParameterMap(ConfigName.CONFIG).get(Config.PIPELINE);
        if (StringUtil.isBlank(pipeline)) {
            return OptionalThing.empty();
        }
        return OptionalThing.of(pipeline);
    }

    /**