RazorDocument - [0..40)::40 - [<input bound-required-int class='btn' />]
    MarkupBlock - [0..40)::40
        MarkupTagHelperElement - [0..40)::40 - input[SelfClosing] - InputTagHelper2 - InputTagHelper3
            MarkupTagHelperStartTag - [0..40)::40 - [<input bound-required-int class='btn' />] - Gen<Markup> - SpanEditHandler;Accepts:Any
                OpenAngle;[<];
                Text;[input];
                MarkupMinimizedTagHelperAttribute - [6..25)::19 - bound-required-int - Minimized - Bound - [ bound-required-int]
                    MarkupTextLiteral - [6..7)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Whitespace;[ ];
                    MarkupTextLiteral - [7..25)::18 - [bound-required-int] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Text;[bound-required-int];
                MarkupTagHelperAttribute - [25..37)::12 - class - SingleQuotes - Unbound - [ class='btn']
                    MarkupTextLiteral - [25..26)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Whitespace;[ ];
                    MarkupTextLiteral - [26..31)::5 - [class] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Text;[class];
                    Equals;[=];
                    MarkupTextLiteral - [32..33)::1 - ['] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        SingleQuote;['];
                    MarkupTagHelperAttributeValue - [33..36)::3
                        MarkupLiteralAttributeValue - [33..36)::3 - [btn]
                            MarkupTextLiteral - [33..36)::3 - [btn] - Gen<Markup> - SpanEditHandler;Accepts:Any
                                Text;[btn];
                    MarkupTextLiteral - [36..37)::1 - ['] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        SingleQuote;['];
                MarkupMiscAttributeContent - [37..38)::1
                    MarkupTextLiteral - [37..38)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Whitespace;[ ];
                ForwardSlash;[/];
                CloseAngle;[>];
