ShipmentCollection::isExistBasketItem

public function isExistBasketItem(BasketItem $basketItem, $includeSystemShipment = false)
{
	/** @var Shipment $shipment */
	foreach ($this->collection as $shipment)
	{
		if (!$includeSystemShipment && $shipment->isSystem())
		{
			continue;
		}

		return $shipment->isExistBasketItem($basketItem);
	}

	return false;
}