| Index: utils/pub/error_group.dart | 
| diff --git a/utils/pub/error_group.dart b/utils/pub/error_group.dart | 
| index 0bdf5e5568d6b9e4d3a8a3d79feceba921170b6e..b78ceacb77f11e6c20ef24c5ab14fdee71bf622f 100644 | 
| --- a/utils/pub/error_group.dart | 
| +++ b/utils/pub/error_group.dart | 
| @@ -179,7 +179,7 @@ class _ErrorGroupFuture implements Future { | 
| _completer.future.catchError((_) {}); | 
| } | 
|  | 
| -  Future then(onValue(value), {onError(AsyncError asyncError)}) { | 
| +  Future then(onValue(T value), {onError(AsyncError asyncError)}) { | 
| _hasListeners = true; | 
| return _completer.future.then(onValue, onError: onError); | 
| } | 
| @@ -194,7 +194,7 @@ class _ErrorGroupFuture implements Future { | 
| return _completer.future.whenComplete(action); | 
| } | 
|  | 
| -  Stream asStream() { | 
| +  Stream<T> asStream() { | 
| _hasListeners = true; | 
| return _completer.future.asStream(); | 
| } | 
|  |