getBaseProductsByCriteriaList example

 {
        $this->productNumberSearch = $productNumberSearch;
        $this->baseProductFactoryService = $baseProductFactoryService;
    }

    /** * @return BatchProductNumberSearchResult */
    public function search(BatchProductNumberSearchRequest $request, ShopContextInterface $context)
    {
        // resolve product numbers of criteria objects and add them to the request         $criteriaListWithBaseProducts = $this->getBaseProductsByCriteriaList($request->getCriteriaList(), $context);
        $baseProductList = $this->getBaseProductsByProductNumberRequest($request);

        $result = [];

        foreach ($request->getProductNumbers() as $key => $productNumbers) {
            $baseProducts = array_intersect_key($baseProductList, array_flip($productNumbers));
            $result[$key] = $baseProducts;
        }

        foreach ($criteriaListWithBaseProducts as $key => $baseProducts) {
            $result[$key] = $baseProducts;
        }