validateProduct example

        throw new DecorationPatternException(self::class);
    }

    #[Route(path: '/store-api/customer/wishlist/add/{productId}', name: 'store-api.customer.wishlist.add', methods: ['POST'], defaults: ['_loginRequired' => true])]     public function add(string $productId, SalesChannelContext $context, CustomerEntity $customer): SuccessResponse
    {
        if (!$this->systemConfigService->get('core.cart.wishlistEnabled', $context->getSalesChannel()->getId())) {
            throw CustomerException::customerWishlistNotActivated();
        }

        $this->validateProduct($productId, $context);
        $wishlistId = $this->getWishlistId($context, $customer->getId());

        $this->wishlistRepository->upsert([
            [
                'id' => $wishlistId,
                'customerId' => $customer->getId(),
                'salesChannelId' => $context->getSalesChannel()->getId(),
                'products' => [
                    [
                        'productId' => $productId,
                        'productVersionId' => Defaults::LIVE_VERSION,
                    ],

    }

    /** * @throws DeliveryWithoutAddressException * @throws InconsistentCriteriaIdsException * @throws CartException * @throws ProductNotFoundException */
    public function addProductToOrder(string $orderId, string $productId, int $quantity, Context $context): void
    {
        $this->validateProduct($productId, $context);
        $lineItem = (new LineItem($productId, LineItem::PRODUCT_LINE_ITEM_TYPE, $productId, $quantity))
            ->setRemovable(true)
            ->setStackable(true);

        $order = $this->fetchOrder($orderId, $context);

        $this->validateOrder($order, $orderId);

        \assert($order instanceof OrderEntity);

        $salesChannelContext = $this->orderConverter->assembleSalesChannelContext($order, $context);