GildedRose-Refactoring-Kata/php/src/Items/SulfurasItem.php

<?php

declare(strict_types=1);

namespace GildedRose\Items;

use GildedRose\Item;
use GildedRose\Items\Abstract\AbstractItem;
use GildedRose\Items\Interface\ItemInterface;

class SulfurasItem extends AbstractItem implements ItemInterface
{
    /**
     * @param Item $item
     *
     * @return void
     */
    public function updateQuality(Item $item): void
    {
        // Do nothing, Sulfuras never changes in quality
    }
}