| Index: pkg/analyzer/lib/src/task/inputs.dart | 
| diff --git a/pkg/analyzer/lib/src/task/inputs.dart b/pkg/analyzer/lib/src/task/inputs.dart | 
| index 3ff506b4ea1820025bc248fb24781b7da14a4c0d..5efac2c03a34c3dfe415ffb7e07622b6223e9f43 100644 | 
| --- a/pkg/analyzer/lib/src/task/inputs.dart | 
| +++ b/pkg/analyzer/lib/src/task/inputs.dart | 
| @@ -187,7 +187,7 @@ class MapToFlattenListTaskInput<K, V, E> implements TaskInput<List<E>> { | 
| MapToFlattenListTaskInput(this.base, this.mapper); | 
|  | 
| @override | 
| -  TaskInputBuilder<List> createBuilder() { | 
| +  TaskInputBuilder<List<E>> createBuilder() { | 
| return new MapToFlattenListTaskInputBuilder<K, V, E>(base, mapper); | 
| } | 
| } | 
|  |