public void setFilterIndex(final String filterIndex) {
        this.filterIndex = filterIndex;
    }

    public int getQueueShards() {
        return queueShards;
    }

    public void setQueueShards(final int queueShards) {
        this.queueShards = queueShards;
    }

    public int getDataShards() {
        return dataShards;
    }

    public void setDataShards(final int dataShards) {

		<arg>crawlerConfig</arg>
	</component>

	<component name="crawlerConfig" class="org.codelibs.fess.crawler.util.OpenSearchCrawlerConfig">
		<property name="queueIndex">"fess_crawler.queue"</property>
		<property name="queueShards">5</property>
		<property name="queueReplicas">1</property>
		<property name="dataIndex">"fess_crawler.data"</property>
		<property name="dataShards">5</property>
		<property name="dataReplicas">1</property>