public static void enableCollection(ObjectReference reference) {
    if (reference instanceof ObjectReferenceImpl) {
      ((ObjectReferenceImpl)reference).enableCollectionAsync();
    }
    else {
      try {
        reference.enableCollection();
      }
      catch (UnsupportedOperationException ignored) {
        // ignore: some J2ME implementations does not provide this operation
      }
    }
  }
public static void enableCollection(ObjectReference reference)