}

        then:
        formatTree(result) == '''<root>
    <chapter id="classId">
        <title>Class</title>
        <segmentedlist>
            <segtitle>API Documentation</segtitle>
            <seglistitem>
                <seg>
                    <apilink class="org.gradle.Class" style="java"/>
                </seg>
            </seglistitem>
        </segmentedlist>