Use 'field' syntax in dart:dom interfaces.

client/dom/generated/src/interface/SVGPathSegArcRel.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 SVGPathSegArcRel extends SVGPathSeg {
 
-  num get angle();
+  num angle;
 
-  void set angle(num value);
+  bool largeArcFlag;
 
-  bool get largeArcFlag();
+  num r1;
 
-  void set largeArcFlag(bool value);
+  num r2;
 
-  num get r1();
+  bool sweepFlag;
 
-  void set r1(num value);
+  num x;
 
-  num get r2();
-
-  void set r2(num value);
-
-  bool get sweepFlag();
-
-  void set sweepFlag(bool value);
-
-  num get x();
-
-  void set x(num value);
-
-  num get y();
-
-  void set y(num value);
+  num y;
 }