Converted Observatory object-common element

runtime/observatory/lib/src/models/objects/inbound_references.dart

Index: runtime/observatory/lib/src/models/objects/inbound_references.dart
diff --git a/runtime/observatory/lib/src/models/objects/notification.dart b/runtime/observatory/lib/src/models/objects/inbound_references.dart
similarity index 50%
copy from runtime/observatory/lib/src/models/objects/notification.dart
copy to runtime/observatory/lib/src/models/objects/inbound_references.dart
index 3a2ae9a40d72d19829136a970c10cf25d6494b2f..13c3c036644c85b382c9eff360fcabb5677c5c48 100644
--- a/runtime/observatory/lib/src/models/objects/notification.dart
+++ b/runtime/observatory/lib/src/models/objects/inbound_references.dart
@@ -4,14 +4,16 @@
 
 part of models;
 
-abstract class Notification {}
-
-abstract class ExceptionNotification implements Notification{
-  Exception get exception;
-  /// [optional]
-  StackTrace get stacktrace;
+abstract class InboundReferences {
+  Iterable<InboundReference> get elements;
 }
 
-abstract class EventNotification implements Notification{
-  Event get event;
+abstract class InboundReference {
+  ObjectRef get source;
+  /// [optional]
+  ObjectRef get parentField;
+  /// [optional]
+  int get parentListIndex;
+  /// [optional]
+  int get parentWordOffset;
 }