src/Services/ProductService.php
public function getProducts(ProductCriteria $criteria = null)
    {
        $criteria = $criteria ?: ProductCriteria::create();

        return $this->request(
            new FindProductsRequest($criteria)
        );
    }
public function getProducts(ProductCriteria $criteria = null)
    {
        $criteria = $criteria ?: ProductCriteria::create();

        return $this->request(
            new FindProductsRequest($criteria)
        );
    }
@param ProductCriteria $criteria

@return ProductCollection|Product[]