class TaskListItemsExtension implements Parser.ParserExtension, HtmlRenderer.HtmlRendererExtension {

    private TaskListItemsExtension() {
    }

    public static Extension create() {
        return new TaskListItemsExtension();
    }

    @Override
    public void extend(Parser.Builder parserBuilder) {
        parserBuilder.postProcessor(new TaskListItemPostProcessor());
    }

    @Override
    public void extend(HtmlRenderer.Builder rendererBuilder) {<FILL_FUNCTION_BODY>}
}

        rendererBuilder.nodeRendererFactory(new HtmlNodeRendererFactory() {
            @Override
            public NodeRenderer create(HtmlNodeRendererContext context) {
                return new TaskListItemHtmlNodeRenderer(context);
            }
        });
    
<no_super_class>