<?php
namespace Stemcell\Customer\Observer\Quote\Address;

use Magento\Framework\Event\Observer;
use Magento\Framework\Event\ObserverInterface;
use Magento\Quote\Model\Quote\Address;
use Psr\Log\LoggerInterface;
use Magento\Framework\DataObject\Copy\Config;

class AttachExtensionAttributeObserver implements ObserverInterface
{
    /**
     * @var Config
     */
    protected Config $fieldsetConfig;

    public function __construct(
        Config $config
    ) {
        $this->fieldsetConfig = $config;
    }

    public function execute(Observer $observer)
    {

    }
}