ShipmentItemCollection::getSellableItems

public function getSellableItems()
{
	$callback = function (ShipmentItem $shipmentItem)
	{
		$basketItem = $shipmentItem->getBasketItem();
		if ($basketItem)
			return !$basketItem->isBundleChild();

		return true;
	};

	return new InternalsCollectionFilterIterator($this->getIterator(), $callback);
}