setKeywords example

$product->setUnit($listProduct->getUnit());
        $product->setTax($listProduct->getTax());
        $product->setPrices($listProduct->getPrices());
        $product->setManufacturer($listProduct->getManufacturer());
        $product->setCover($listProduct->getCover());
        $product->setCheapestPrice($listProduct->getCheapestPrice());
        $product->setName($listProduct->getName());
        $product->setAdditional($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());
        

    private function assignProductData(ListProduct $product, array $data): void
    {
        $product->setName($data['__product_name']);
        $product->setShortDescription($data['__product_description']);
        $product->setLongDescription($data['__product_description_long']);
        $product->setCloseouts((bool) $data['__product_laststock']);
        $product->setMetaTitle($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']) {