this.extractHeadings = extractHeadings;
    }

    /**
     * Sets whether to extract link URLs as metadata.
     *
     * @param extractLinks true to extract links
     */
    public void setExtractLinks(final boolean extractLinks) {
        this.extractLinks = extractLinks;
    }

		class="org.codelibs.fess.crawler.extractor.impl.MarkdownExtractor">
		<property name="extractFrontMatter">true</property>
		<property name="extractHeadings">true</property>
		<property name="extractLinks">false</property>
	</component>
	<!--
	<component name="jodExtractor"
		class="org.codelibs.fess.crawler.extractor.impl.JodExtractor">
		<property name="officeManager">