class="org.codelibs.fess.crawler.extractor.impl.JsonExtractor">
		<property name="maxDepth">10</property>
		<property name="extractMetadata">true</property>
	</component>
	<component name="csvExtractor"
		class="org.codelibs.fess.crawler.extractor.impl.CsvExtractor">
		<property name="hasHeader">true</property>
		<property name="autoDetectDelimiter">true</property>
		<property name="extractColumnMetadata">true</property>
	</component>