{
    boolean oldResolveProxies = (eFlags & RESOLVE_PROXIES_EFLAG) != 0;
    if (newResolveProxies) eFlags |= RESOLVE_PROXIES_EFLAG; else eFlags &= ~RESOLVE_PROXIES_EFLAG;
    if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, EcorePackage.EREFERENCE__RESOLVE_PROXIES, oldResolveProxies, newResolveProxies));
  }