CSharpCodeBlock - [0..46)::46 - [(Request["description"] ?? @photo.Description)]
    CSharpExplicitExpression - [0..46)::46
        CSharpTransition - [0..0)::0 - Gen<None> - SpanEditHandler;Accepts:None
            Transition;[<Missing>];
        CSharpExplicitExpressionBody - [0..46)::46
            RazorMetaCode - [0..1)::1 - Gen<None> - SpanEditHandler;Accepts:None
                LeftParenthesis;[(];
            CSharpCodeBlock - [1..45)::44
                CSharpExpressionLiteral - [1..45)::44 - [Request["description"] ?? @photo.Description] - Gen<Expr> - SpanEditHandler;Accepts:Any
                    Identifier;[Request];
                    LeftBracket;[[];
                    StringLiteral;["description"];
                    RightBracket;[]];
                    Whitespace;[ ];
                    NullCoalesce;[??];
                    Whitespace;[ ];
                    Transition;[@];
                    Identifier;[photo];
                    Dot;[.];
                    Identifier;[Description];
            RazorMetaCode - [45..46)::1 - Gen<None> - SpanEditHandler;Accepts:None
                RightParenthesis;[)];
