RazorDocument - [0..26)::26 - [@custom "string1""string2"]
    MarkupBlock - [0..26)::26
        MarkupTextLiteral - [0..0)::0 - [] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Marker;[];
        CSharpCodeBlock - [0..17)::17
            RazorDirective - [0..17)::17 - Directive:{custom;SingleLine;Unrestricted} [RZ1011(17:0,17 [9] )]
                CSharpTransition - [0..1)::1 - Gen<None> - SpanEditHandler;Accepts:None
                    Transition;[@];
                RazorDirectiveBody - [1..17)::16
                    RazorMetaCode - [1..7)::6 - Gen<None> - SpanEditHandler;Accepts:None
                        Identifier;[custom];
                    CSharpCodeBlock - [7..17)::10
                        MarkupEphemeralTextLiteral - [7..8)::1 - [ ] - Gen<None> - SpanEditHandler;Accepts:Whitespace
                            Whitespace;[ ];
                        CSharpStatementLiteral - [8..17)::9 - ["string1"] - Gen<DirectiveToken {;String;Opt:False}> - DirectiveTokenEditHandler;Accepts:NonWhitespace
                            StringLiteral;["string1"];
        MarkupTextLiteral - [17..26)::9 - ["string2"] - Gen<Markup> - SpanEditHandler;Accepts:Any
            DoubleQuote;["];
            Text;[string2];
            DoubleQuote;["];
