--- a/src/core/object.h	Wed Jan 02 11:08:11 2008 +0100
+++ b/src/core/object.h	Wed Jan 02 12:24:25 2008 +0100
@@ -59,7 +59,7 @@
    * This method cannot fail: it will crash if the input
    * id is not a valid interface id.
    */
-  static InterfaceId LookupParent (InterfaceId iid);
+  InterfaceId GetParent (void) const;
 
   /**
    * \returns the name of this interface.