RazorDocument - [0..10)::10 - [@val![-1]!]
    MarkupBlock - [0..10)::10
        MarkupTextLiteral - [0..0)::0 - [] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Marker;[];
        CSharpCodeBlock - [0..9)::9
            CSharpImplicitExpression - [0..9)::9
                CSharpTransition - [0..1)::1 - Gen<None> - SpanEditHandler;Accepts:None
                    Transition;[@];
                CSharpImplicitExpressionBody - [1..9)::8
                    CSharpCodeBlock - [1..9)::8
                        CSharpExpressionLiteral - [1..9)::8 - [val![-1]] - Gen<Expr> - ImplicitExpressionEditHandler;Accepts:NonWhitespace;ImplicitExpression[RTD];K14
                            Identifier;[val];
                            Not;[!];
                            LeftBracket;[[];
                            Minus;[-];
                            IntegerLiteral;[1];
                            RightBracket;[]];
        MarkupTextLiteral - [9..10)::1 - [!] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Bang;[!];
