| // Copyright (c) 2017, 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.md file. | |
| import 'lib/lib.dart'; | |
| /// Tree-shaker preserves APIs used anywhere in the library, there is no special | |
| /// root, and `main` is no special. | |
| var s = toplevel(); |