RazorDocument - [0..21)::21 - [@helper fooHelper { }]
    MarkupBlock - [0..21)::21
        MarkupTextLiteral - [0..0)::0 - [] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Marker;[];
        CSharpCodeBlock - [0..7)::7
            CSharpImplicitExpression - [0..7)::7
                CSharpTransition - [0..1)::1 - Gen<None> - SpanEditHandler;Accepts:None
                    Transition;[@];
                CSharpImplicitExpressionBody - [1..7)::6
                    CSharpCodeBlock - [1..7)::6
                        CSharpExpressionLiteral - [1..7)::6 - [helper] - Gen<Expr> - ImplicitExpressionEditHandler;Accepts:NonWhitespace;ImplicitExpression[RTD];K14
                            Identifier;[helper];
        MarkupTextLiteral - [7..21)::14 - [ fooHelper { }] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Whitespace;[ ];
            Text;[fooHelper];
            Whitespace;[ ];
            Text;[{];
            Whitespace;[ ];
            Text;[}];
