Extension point for WorkManagerFactory(s).

pkg/analyzer/test/generated/engine_test.dart

 // Copyright (c) 2014, 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.
 
 library engine.engine_test;
 
 import 'dart:async';
 import 'dart:collection';
 
 import 'package:analyzer/file_system/memory_file_system.dart';
@@ skipping 13 matching lines @@
 import 'package:analyzer/src/generated/resolver.dart';
 import 'package:analyzer/src/generated/scanner.dart';
 import 'package:analyzer/src/generated/sdk.dart';
 import 'package:analyzer/src/generated/sdk_io.dart';
 import 'package:analyzer/src/generated/source_io.dart';
 import 'package:analyzer/src/generated/testing/ast_factory.dart';
 import 'package:analyzer/src/generated/testing/element_factory.dart';
 import 'package:analyzer/src/generated/utilities_collection.dart';
 import 'package:analyzer/src/services/lint.dart';
 import 'package:analyzer/src/string_source.dart';
-import 'package:analyzer/task/model.dart' hide AnalysisTask;
+import 'package:analyzer/task/model.dart' hide AnalysisTask, WorkManager;
 import 'package:html/dom.dart' show Document;
 import 'package:path/path.dart' as pathos;
 import 'package:typed_mock/typed_mock.dart';
 import 'package:unittest/unittest.dart';
 import 'package:watcher/src/utils.dart';
 
 import '../reflective_tests.dart';
 import '../utils.dart';
 import 'all_the_rest_test.dart';
 import 'resolver_test.dart';
@@ skipping 6949 matching lines @@
   @override
   bool exists() => true;
 }
 
 class _UniversalCachePartitionTest_test_setMaxCacheSize
     implements CacheRetentionPolicy {
   @override
   RetentionPriority getAstPriority(Source source, SourceEntry sourceEntry) =>
       RetentionPriority.LOW;
 }