|  | # Copyright (c) 2025, 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. | 
|  | extendable: | 
|  | - library: 'shared/shared.dart' | 
|  | class: 'Base' | 
|  |  | 
|  | can-be-overridden: | 
|  | - library: 'shared/shared.dart' | 
|  | class: 'Base' | 
|  | member: 'method1' | 
|  |  | 
|  | # TODO(sigmund): consider implying this for all extendable types. | 
|  | callable: | 
|  | - library: 'dart:core' | 
|  | - library: 'shared/shared.dart' | 
|  | class: 'Base' | 
|  | member: '' |