}

    /**
     * Gets the number of shards for the queue index.
     *
     * @return the number of queue shards
     */
    @Override
    public int getQueueShards() {
        return ComponentUtil.getFessConfig().getIndexDocumentCrawlerQueueNumberOfShardsAsInteger();
    }

    /**
     * Gets the number of shards for the data index.
     *

        this.filterIndex = filterIndex;
    }

    /**
     * Returns the number of queue shards.
     * @return The number of queue shards.
     */
    public int getQueueShards() {
        return queueShards;
    }

    /**
     * Sets the number of queue shards.
     * @param queueShards The number of queue shards.
     */