if (unregistered)
if (state == UNREGISTERED)
	protected AbstractBundle[] getUsingBundles() {		synchronized (registrationLock) {			if (unregistered) /* service unregistered */				return (null);			if (contextsUsing == null)				return (null);			int size = contextsUsing.size();			if (size == 0)				return (null);			/* Copy list of BundleContext into an array of Bundle. */			AbstractBundle[] bundles = new AbstractBundle[size];			for (int i = 0; i < size; i++)				bundles[i] = ((BundleContextImpl) contextsUsing.get(i)).bundle;			return (bundles);		}	}