Use 'field' syntax in dart:dom interfaces.

client/dom/generated/src/interface/SVGElementInstance.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.
 
 // WARNING: Do not edit - generated code.
 
 interface SVGElementInstance extends EventTarget {
 
-  SVGElementInstanceList get childNodes();
+  final SVGElementInstanceList childNodes;
 
-  SVGElement get correspondingElement();
+  final SVGElement correspondingElement;
 
-  SVGUseElement get correspondingUseElement();
+  final SVGUseElement correspondingUseElement;
 
-  SVGElementInstance get firstChild();
+  final SVGElementInstance firstChild;
 
-  SVGElementInstance get lastChild();
+  final SVGElementInstance lastChild;
 
-  SVGElementInstance get nextSibling();
+  final SVGElementInstance nextSibling;
 
-  SVGElementInstance get parentNode();
+  final SVGElementInstance parentNode;
 
-  SVGElementInstance get previousSibling();
+  final SVGElementInstance previousSibling;
 
   void addEventListener(String type, EventListener listener, [bool useCapture]);
 
   bool dispatchEvent(Event event);
 
   void removeEventListener(String type, EventListener listener, [bool useCapture]);
 }