crawler.document.html.lang.xpath=//HTML/@lang
crawler.document.html.digest.xpath=//META[@name='description']/@content
crawler.document.html.canonical.xpath=//LINK[@rel='canonical'][1]/@href
crawler.document.html.pruned.tags=noscript,script,style,header,footer,aside,nav,a[rel=nofollow]
crawler.document.html.max.digest.length=120
crawler.document.html.default.lang=
crawler.document.html.default.include.index.patterns=

            if (prunedTags == null) {
                final Map<String, String> configMap = crawlingConfig.getConfigParameterMap(ConfigName.CONFIG);
                final String value = configMap.get(CrawlingConfig.Param.Config.HTML_PRUNED_TAGS);
                if (StringUtil.isNotBlank(value)) {
                    prunedTags = PrunedTag.parse(value);
                }
                if (prunedTags == null) {