| # Copyright (c) 2023, the Dart project authors.  Please see the AUTHORS file | 
 | # for details. All rights reserved. Use of this source code is governed by a | 
 | # BSD-style license that can be found in the LICENSE file. | 
 |  | 
 | sources: | | 
 |   class Color { | 
 |     final String name; | 
 |     Color(this.name); | 
 |   } | 
 |    | 
 |   class Theme { | 
 |     Color get primary => Color('primary'); | 
 |     Color get white => Color('white'); | 
 |     Color get transparent => Color('transparent'); | 
 |   } | 
 |    | 
 |   enum _Type { | 
 |     primary, | 
 |     background, | 
 |     outline, | 
 |     text, | 
 |   } | 
 |    | 
 |   class Class { | 
 |     final _Type _type; | 
 |     final Theme theme; | 
 |     final Color? backgroundColor; | 
 |    | 
 |     Class(this._type, this.theme, this.backgroundColor); | 
 |  | 
 |     method() { | 
 |     } | 
 |   } | 
 | definitions: [] | 
 | position: "#Class" | 
 | expression: | | 
 |   switch (_type) { | 
 |     _Type.primary => theme.primary, | 
 |     _Type.background => theme.white, | 
 |     _Type.outline || _Type.text => theme.transparent, | 
 |   } |