# src/Controller/HelloController.php

namespace App\Controller;

use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Attribute\AsController;
use Symfony\Component\HttpKernel\Attribute\MapQueryString;
use Symfony\Component\Routing\Annotation\Route;

#[AsController]
final class HelloController
{
    #[Route('/hello', methods: ['GET'])]
    public function __invoke(
        #[MapQueryString(validationGroups: 'strict')] MyObject $object,
    ): Response {
        // ...
    }
}