@Override
    public Integer getTimeToLive() {
        return crawlingConfig.getTimeToLive();
    }

    @Override
    public CrawlerClientFactory initializeClientFactory(final Supplier<CrawlerClientFactory> creator) {
        return crawlingConfig.initializeClientFactory(creator);
    }

    @Override
    public Map<String, String> getConfigParameterMap(final ConfigName name) {

    String[] getVirtualHosts();

    String getDocumentBoost();

    String getIndexingTarget(String input);

    String getConfigId();

    Integer getTimeToLive();

    CrawlerClientFactory initializeClientFactory(Supplier<CrawlerClientFactory> creator);

    Map<String, String> getConfigParameterMap(ConfigName name);

    default void initializeDefaultHttpProxy(final Map<String, Object> paramMap) {

            final long maxCount = webConfig.getMaxAccessCount() != null ? webConfig.getMaxAccessCount() : maxAccessCount;
            crawlerContext.setMaxAccessCount(maxCount);

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

            }
        }
    }

    @Override
    public String getConfigId() {
        return ConfigType.WEB.getConfigId(getId());
    }

    @Override
    public CrawlerClientFactory initializeClientFactory(final Supplier<CrawlerClientFactory> creator) {
        if (crawlerClientFactory != null) {
            return crawlerClientFactory;
        }
        final CrawlerClientFactory factory = creator.get();

            }
        }
    }

    @Override
    public String getConfigId() {
        return ConfigType.FILE.getConfigId(getId());
    }

    @Override
    public CrawlerClientFactory initializeClientFactory(final Supplier<CrawlerClientFactory> creator) {
        if (crawlerClientFactory != null) {
            return crawlerClientFactory;
        }
        final CrawlerClientFactory factory = creator.get();

            throw new CrawlingAccessException("sessionId is null. Cannot access document without a valid session ID.");
        }

        final CrawlerClientFactory crawlerClientFactory = crawlingConfig.initializeClientFactory(ComponentUtil::getCrawlerClientFactory);
        final CrawlerClient client = crawlerClientFactory.getClient(url);
        if (client == null) {
            throw new CrawlingAccessException(

            if (logger.isInfoEnabled()) {
                logger.info("Generating Thumbnail: {}", url);
            }

            final CrawlerClientFactory crawlerClientFactory =
                    config.initializeClientFactory(() -> ComponentUtil.getComponent(CrawlerClientFactory.class));
            final CrawlerClient client = crawlerClientFactory.getClient(url);
            if (client == null) {

            handlerScriptMap = ParameterUtil.parse(getHandlerScript());
        }
        return handlerScriptMap;
    }

    @Override
    public CrawlerClientFactory initializeClientFactory(final Supplier<CrawlerClientFactory> creator) {
        if (crawlerClientFactory != null) {
            return crawlerClientFactory;
        }
        final CrawlerClientFactory factory = creator.get();

        }
        final String url = DocumentUtil.getValue(doc, fessConfig.getIndexFieldUrl(), String.class);
        final CrawlerClientFactory crawlerClientFactory =
                config.initializeClientFactory(() -> ComponentUtil.getComponent(CrawlerClientFactory.class));
        final CrawlerClient client = crawlerClientFactory.getClient(url);
        if (client == null) {