/// to be used to restore flush state when unblocked
/// \param isAttributeSetInitializedBlocked out value if model is blocked
/// in value if model is unblocked to be used to restore previous state when unblocked
/// to be used to restore flush state when unblocked
/// \param isAttributeSetInitializedBlocked out value if model is blocked
/// in value if model is unblocked to be used to restore previous state when unblocked