* CrawlingParameterUtil.setUrlQueue(newUrlQueue);
 *
 * CrawlerContext context = CrawlingParameterUtil.getCrawlerContext();
 * CrawlingParameterUtil.setCrawlerContext(newContext);
 *
 * UrlQueueService<UrlQueue<?>> urlQueueService = CrawlingParameterUtil.getUrlQueueService();
 * CrawlingParameterUtil.setUrlQueueService(newUrlQueueService);
 *

            doc.put(HL_CACHE, StringUtil.EMPTY);
        }

        try {
            final Template template = handlebars.compile(cacheTemplateName);
            final Context hbsContext = Context.newContext(doc);
            return template.apply(hbsContext);
        } catch (final Exception e) {
            logger.warn("Failed to create a cache response.", e);
        }

        return null;
    }