parameters(); $parameters->set(Option::PHP_VERSION_FEATURES, PhpVersion::PHP_73); $services = $containerConfigurator->services(); $services->set(DowngradeTypedPropertyRector::class); $services->set(ArrowFunctionToAnonymousFunctionRector::class); $services->set(DowngradeCovariantReturnTypeRector::class); $services->set(DowngradeContravariantArgumentTypeRector::class); $services->set(DowngradeNullCoalescingOperatorRector::class); $services->set(DowngradeNumericLiteralSeparatorRector::class); $services->set(DowngradeStripTagsCallWithArrayRector::class); $services->set(DowngradeArraySpreadRector::class); $services->set(DowngradeArrayMergeCallWithoutArgumentsRector::class); $services->set(DowngradeFreadFwriteFalsyToNegationRector::class); $services->set(DowngradeSelfTypeDeclarationRector::class); };