setStock example

$product->setMetaTitle($data['__product_metaTitle']);
        $product->setHasProperties($data['__product_filtergroupID'] > 0);
        $product->setHighlight((bool) $data['__product_topseller']);
        $product->setAllowsNotification((bool) $data['__product_notification']);
        $product->setKeywords($data['__product_keywords']);
        $product->setTemplate($data['__product_template']);
        $product->setHasConfigurator($data['__product_configurator_set_id'] > 0);
        $product->setHasEsd((bool) $data['__product_has_esd']);
        $product->setIsPriceGroupActive((bool) $data['__product_pricegroupActive']);
        $product->setSales((int) $data['__topSeller_sales']);
        $product->setShippingFree((bool) $data['__variant_shippingfree']);
        $product->setStock((int) $data['__variant_instock']);
        $product->setManufacturerNumber($data['__variant_suppliernumber']);
        $product->setMainVariantId((int) $data['__product_main_detail_id']);

        if ($data['__variant_shippingtime']) {
            $product->setShippingTime($data['__variant_shippingtime']);
        } elseif ($data['__product_shippingtime']) {
            $product->setShippingTime($data['__product_shippingtime']);
        }

        if ($data['__variant_releasedate']) {
            $product->setReleaseDate(
                

$product->setAdditional($listProduct->getAdditional());
        $product->setCloseouts($listProduct->isCloseouts());
        $product->setEan($listProduct->getEan());
        $product->setHeight($listProduct->getHeight());
        $product->setKeywords($listProduct->getKeywords());
        $product->setLength($listProduct->getLength());
        $product->setLongDescription($listProduct->getLongDescription());
        $product->setMinStock($listProduct->getMinStock());
        $product->setReleaseDate($listProduct->getReleaseDate());
        $product->setShippingTime($listProduct->getShippingTime());
        $product->setShortDescription($listProduct->getShortDescription());
        $product->setStock($listProduct->getStock());
        $product->setWeight($listProduct->getWeight());
        $product->setWidth($listProduct->getWidth());
        $product->setPriceGroup($listProduct->getPriceGroup());
        $product->setCreatedAt($listProduct->getCreatedAt());
        $product->setUpdatedAt($listProduct->getUpdatedAt());
        $product->setPriceRules($listProduct->getPriceRules());
        $product->setCheapestPriceRule($listProduct->getCheapestPriceRule());
        $product->setManufacturerNumber($listProduct->getManufacturerNumber());
        $product->setMetaTitle($listProduct->getMetaTitle());
        $product->setTemplate($listProduct->getTemplate());
        $product->setHasConfigurator($listProduct->hasConfigurator());
        

class ProductProxyTest extends TestCase
{
    public function testProxyPropertyAccess(): void
    {
        $product = new SalesChannelProductEntity();

        $product->setName('foo');
        $product->setStock(10);

        $product->setCalculatedPrice(
            new CalculatedPrice(10, 10, new CalculatedTaxCollection(), new TaxRuleCollection())
        );

        $product->setCalculatedCheapestPrice(
            new CalculatedCheapestPrice(8, 8, new CalculatedTaxCollection(), new TaxRuleCollection())
        );

        $product->setCalculatedPrices(new PriceCollection([
            new CalculatedPrice(9, 9, new CalculatedTaxCollection(), new TaxRuleCollection()),
        ]));