Version 1.2.0-dev.5.7

sdk/lib/html/html_common/lists.dart

 // Copyright (c) 2011, 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.
 
 part of html_common;
 
 class Lists {
 
   /**
    * Returns the index in the array [a] of the given [element], starting
@@ skipping 52 matching lines @@
     for (int i = start; i < end; i++) {
       accumulator.add(a[i]);
     }
     return accumulator;
   }
 }
 
 /**
  * For accessing underlying node lists, for dart:js interop.
  */
-class NodeListWrapper {
+abstract class NodeListWrapper {
   List<Node> get rawList;
 }