vasildakov / econt

src/Model/ShippingLabel.php

<?php

declare(strict_types=1);

namespace VasilDakov\Econt\Model;

use JMS\Serializer\Annotation as Serializer;

final readonly class ShippingLabel

A parse error occurred: Syntax error, unexpected T_READONLY, expecting T_CLASS on line 9 at column 6

{
    public function __construct(
        #[Serializer\Type('string')]
        public ?string $shipmentNumber = null,
    ) {

    }
}