| Index: pkg/analyzer/lib/src/plugin/engine_plugin.dart
 | 
| diff --git a/pkg/analyzer/lib/src/plugin/engine_plugin.dart b/pkg/analyzer/lib/src/plugin/engine_plugin.dart
 | 
| index 145c4aae127202503780dc889dd10244af2fe460..69b74c6feace5ecfc063089660b0cdf07a9c336a 100644
 | 
| --- a/pkg/analyzer/lib/src/plugin/engine_plugin.dart
 | 
| +++ b/pkg/analyzer/lib/src/plugin/engine_plugin.dart
 | 
| @@ -229,6 +229,8 @@ class EnginePlugin implements Plugin {
 | 
|      registerExtension(taskId, ResolveLibraryReferencesTask.DESCRIPTOR);
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|      registerExtension(taskId, ResolveLibraryTask.DESCRIPTOR);
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|      registerExtension(taskId, ResolveLibraryTypeNamesTask.DESCRIPTOR);
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| +    registerExtension(taskId, ResolveTopLevelLibraryTypeBoundsTask.DESCRIPTOR);
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| +    registerExtension(taskId, ResolveTopLevelUnitTypeBoundsTask.DESCRIPTOR);
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|      registerExtension(taskId, ResolveUnitTask.DESCRIPTOR);
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|      registerExtension(taskId, ResolveUnitTypeNamesTask.DESCRIPTOR);
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|      registerExtension(taskId, ResolveVariableReferencesTask.DESCRIPTOR);
 | 
| 
 |