.singleton("urlFilterService", UrlFilterServiceImpl.class)//
                .singleton("urlFilter", UrlFilterImpl.class)//
                .singleton("robotsTxtHelper", RobotsTxtHelper.class)//
                .singleton("httpClient", HcHttpClient.class);
        httpClient = container.getComponent("httpClient");
        urlFilter = container.getComponent("urlFilter");
    }

                    transformer.setChildUrlRuleMap(childUrlRuleMap);
                })
                .singleton("dataHelper", MemoryDataHelper.class)
                .singleton("robotsTxtHelper", RobotsTxtHelper.class)
                .<CrawlerClientFactory> singleton("clientFactory", CrawlerClientFactory.class, factory -> {
                    factory.addClient("http:.*", container.getComponent("httpClient"));