| // Copyright (c) 2026, 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. | |
| /// Stub implementation of `chmod` when `dart:ffi` is unavailable. | |
| int chmod(int mode, String path) => | |
| throw UnsupportedError('chmod is not supported on this platform.'); |