class QueryString
{
    public function __construct(
        public readonly Filter $filter,
    ) {
    }
}

class Filter
{
    public function __construct(
        #[Assert\Choice(['placed', 'shipped', 'delivered'])]
        public readonly string $status,
        #[Assert\LessThan(100)]
        public readonly int $quantity,
    ) {

    }
}

class RequestContent
{
    public function __construct(
        #[Assert\NotBlank]
        #[Assert\Length(min: 10, max: 100)]
        public readonly string $comment,
    ) {
    }
}

class ApiController
{
    public function __invoke(
        #[MapRequestContent] RequestContent $content,
        #[MapQueryString] QueryString $query,
    ): Response {
        // ...
    }
}