| Index: sdk/lib/core/iterable.dart
 | 
| diff --git a/sdk/lib/core/iterable.dart b/sdk/lib/core/iterable.dart
 | 
| index b802cfd987cfed3d9f5177a3fd60e1434ee56dc6..03127c8beb6eddeb436afc843279681157be81bf 100644
 | 
| --- a/sdk/lib/core/iterable.dart
 | 
| +++ b/sdk/lib/core/iterable.dart
 | 
| @@ -162,6 +162,11 @@ abstract class Iterable<E> {
 | 
|    bool get isEmpty;
 | 
|  
 | 
|    /**
 | 
| +   * Returns true if there is at least one element in this collection.
 | 
| +   */
 | 
| +  bool get isNotEmpty;
 | 
| +
 | 
| +  /**
 | 
|     * Returns an [Iterable] with at most [n] elements.
 | 
|     *
 | 
|     * The returned [Iterable] may contain fewer than [n] elements, if `this`
 | 
| 
 |