CSharpCodeBlock - [0..18)::18 - [using Foo.Bar.Baz;]
    RazorDirective - [0..18)::18
        CSharpTransition - [0..0)::0 - Gen<None> - SpanEditHandler;Accepts:None
            Transition;[<Missing>];
        RazorDirectiveBody - [0..18)::18
            CSharpStatementLiteral - [0..18)::18 - [using Foo.Bar.Baz;] - Gen<Import: Foo.Bar.Baz;> - SpanEditHandler;Accepts:AnyExceptNewline
                Keyword;[using];
                Whitespace;[ ];
                Identifier;[Foo];
                Dot;[.];
                Identifier;[Bar];
                Dot;[.];
                Identifier;[Baz];
                Semicolon;[;];
