| // Copyright (c) 2021, 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. |
| |
| /// A collection of metrics for events that happen before `main()` is entered. |
| /// |
| /// The contents of the map depend on the platform. The map values are simple |
| /// objects (strings, numbers, Booleans). There is always an entry for the key |
| /// `'runtime'` with a [String] value. |
| Map<String, Object> get startupMetrics { |
| return {'runtime': 'unknown'}; |
| } |
