Get userid of the admin logged in magento 2 helper

Below is a helper with a dependency and you can see within one of its function how the backend user id is read

<?php

namespace MbsBackendScreenHelper;

use MagentoFrameworkAppHelperAbstractHelper;
use MagentoFrameworkAppHelperContext;

class AdminUserReaderHelper extends AbstractHelper
{
    /**
     * @var MagentoBackendModelAuthSession
     */
    private $authSession;

    public function __construct(
        Context $context,
        MagentoBackendModelAuthSession $authSession
    ) {
        parent::__construct($context);
        $this->authSession = $authSession;
    }

    public function doSomethingWithMyAdminUserId()
    {
        ...
        if ($this->authSession->getUser() != null) {

            $adminUserId = $this->authSession->getUser()->getId();
        }
        
        ...
    }

}