}

    /**
     * Sets whether to extract column names as metadata.
     *
     * @param extractColumnMetadata true to extract metadata
     */
    public void setExtractColumnMetadata(final boolean extractColumnMetadata) {
        this.extractColumnMetadata = extractColumnMetadata;
    }

    /**
     * Sets the field separator for text output.
     *

	<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>
	<component name="markdownExtractor"
		class="org.codelibs.fess.crawler.extractor.impl.MarkdownExtractor">
		<property name="extractFrontMatter">true</property>