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runtime/observatory/lib/src/repositories/inbound_references.dart

 // Copyright (c) 2016, 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 repositories;
 
 class InboundReferencesRepository implements M.InboundReferencesRepository {
   Future<M.InboundReferences> get(M.IsolateRef i, String id) async {
     S.Isolate isolate = i as S.Isolate;
     assert(isolate != null);
-    final response = await isolate.invokeRpc('_getInboundReferences', {
-        'targetId' : id,
-        'limit': 100
-    });
+    final response = await isolate
+        .invokeRpc('_getInboundReferences', {'targetId': id, 'limit': 100});
     return new S.InboundReferences(response);
   }
 }