page_layout.xml

<html>
    <head>
        <head-content />
        <custom-head-content />
    </head>
    <body>
        <vertical>
            <webpage>
                <left-sidebar>
                    <theme-toggle />
                    <file-viewer />
                </left-sidebar>
                <vertical>
                    <document />
                </vertical>
                <right-sidebar>
                    <graph-view />
                    <outline />
                </right-sidebar>
            </webpage>
        </vertical>
    </body>
</html>

<!-- Possible Tags:
    HTML Tags: html, body, head
    Layout Tags: vertical, horizontal
    Main Element Tags: theme-toggle, file-viewer, document, graph-view, outline, head-content, custom-head-content
    Website Layout Tags: webpage, left-sidebar, right-sidebar
 -->