{
                EObject eObject = (EObject)featureMapEntry.getValue();
                if (eObject != null && (eObject.eContainer() != container || eObject.eContainmentFeature() != featureMapEntryFeature))
                {
                  containmentInformation.put(eObject, new OldContainmentInformation(container, (EReference)featureMapEntryFeature));
                }
              }