RazorDocument - [0..43)::43 - [<input bound-required-string class='btn' />]
    MarkupBlock - [0..43)::43
        MarkupTagHelperElement - [0..43)::43 - input[SelfClosing] - InputTagHelper1 - InputTagHelper3
            MarkupTagHelperStartTag - [0..43)::43 - [<input bound-required-string class='btn' />] - Gen<Markup> - SpanEditHandler;Accepts:Any
                OpenAngle;[<];
                Text;[input];
                MarkupMinimizedTagHelperAttribute - [6..28)::22 - bound-required-string - Minimized - Bound - [ bound-required-string]
                    MarkupTextLiteral - [6..7)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Whitespace;[ ];
                    MarkupTextLiteral - [7..28)::21 - [bound-required-string] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Text;[bound-required-string];
                MarkupTagHelperAttribute - [28..40)::12 - class - SingleQuotes - Unbound - [ class='btn']
                    MarkupTextLiteral - [28..29)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Whitespace;[ ];
                    MarkupTextLiteral - [29..34)::5 - [class] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Text;[class];
                    Equals;[=];
                    MarkupTextLiteral - [35..36)::1 - ['] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        SingleQuote;['];
                    MarkupTagHelperAttributeValue - [36..39)::3
                        MarkupLiteralAttributeValue - [36..39)::3 - [btn]
                            MarkupTextLiteral - [36..39)::3 - [btn] - Gen<Markup> - SpanEditHandler;Accepts:Any
                                Text;[btn];
                    MarkupTextLiteral - [39..40)::1 - ['] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        SingleQuote;['];
                MarkupMiscAttributeContent - [40..41)::1
                    MarkupTextLiteral - [40..41)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Whitespace;[ ];
                ForwardSlash;[/];
                CloseAngle;[>];
    EndOfFile;[];
