Markup block - Gen<None> - 31 - (0:0,0)
    Tag block - Gen<TagHelper> - 31 - (0:0,0) - input - inputtaghelper
        SelfClosing - <input data-required='value' />
        data-required - SingleQuotes
            Markup span - Gen<Markup> - [value] - SpanEditHandler;Accepts:Any - (22:0,22) - Tokens:1
                HtmlTokenType.Text;[value];
