# source: https://github.com/Sylius/Sylius/blob/master/UPGRADE-1.0.md#upgrade-from-108-to-109 services: Rector\Rector\Typehint\ReturnTypehintRector: Sylius\Bundle\CoreBundle\Templating\Helper\VariantResolverHelper: resolveVariant: '?Sylius\Component\Product\Model\ProductVariantInterface'