class AbstractObjectNormalizerTest extends KernelTestCase{    public function testDenormalizeNestedValues()    {        $normalizer = self::getContainer()->get(NormalizerInterface::class); // service        $normalizer->denormalize(['values' => [['1'], ['2'], ['3'], ['4'], ['5']]], TypeClassReproducer::class);    }}class TypeClassReproducer{    /**     * @param array<int, array<int, string>>|null $values     */    public function __construct(        private readonly array|null $values = null,    ) {    }    /** @return array<int, array<int, string>>|null */    public function getValues(): array|null    {        return $this->values;    }}