* @param crawlerConfig The crawler configuration.
     */
    public OpenSearchUrlQueueService(final OpenSearchCrawlerConfig crawlerConfig) {
        index = crawlerConfig.getQueueIndex();
        setNumberOfShards(crawlerConfig.getQueueShards());
        setNumberOfReplicas(crawlerConfig.getQueueReplicas());
    }

    /**
     * Creates a new instance of OpenSearchUrlQueueService.