| // Copyright (c) 2019, 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. | |
| // Note: this library is opted-in to null safety, so the String parameter is | |
| // non-nullable. | |
| void stringFunction(String x) {} |