Deprecated: Return type of Nelmio\ApiDocBundle\Tests\Fixtures\Model\JsonSerializableTest::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/gingerbrup/rappelapi/vendor/nelmio/api-doc-bundle/Nelmio/ApiDocBundle/Tests/Fixtures/Model/JsonSerializableTest.php on line 19