RazorDocument - [0..18)::18 - [foo @DateTime. baz]
    MarkupBlock - [0..18)::18
        MarkupTextLiteral - [0..4)::4 - [foo ] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Text;[foo];
            Whitespace;[ ];
        CSharpCodeBlock - [4..13)::9
            CSharpImplicitExpression - [4..13)::9
                CSharpTransition - [4..5)::1 - Gen<None> - SpanEditHandler;Accepts:None
                    Transition;[@];
                CSharpImplicitExpressionBody - [5..13)::8
                    CSharpCodeBlock - [5..13)::8
                        CSharpExpressionLiteral - [5..13)::8 - [DateTime] - Gen<Expr> - ImplicitExpressionEditHandler;Accepts:NonWhitespace;ImplicitExpression[RTD];K22
                            Identifier;[DateTime];
        MarkupTextLiteral - [13..18)::5 - [. baz] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Text;[.];
            Whitespace;[ ];
            Text;[baz];
