{
    boolean oldTransient = (eFlags & TRANSIENT_EFLAG) != 0;
    if (newTransient) eFlags |= TRANSIENT_EFLAG; else eFlags &= ~TRANSIENT_EFLAG;
    if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, EcorePackage.ESTRUCTURAL_FEATURE__TRANSIENT, oldTransient, newTransient));
  }