PermissionChecker.php

<?php

namespace Drupal\Core\Session;

use Drupal\Core\Entity\EntityTypeManagerInterface;

/**
 * Checks permissions for an account.
 */
class PermissionChecker implements PermissionCheckerInterface {
    public function __construct(EntityTypeManagerInterface|AccessPolicyProcessorInterface $processor) {
        if ($this->processor instanceof EntityTypeManagerInterface) {
            @trigger_error('Calling ' . __METHOD__ . '() without the $processor argument is deprecated in drupal:10.3.0 and will be required in drupal:11.0.0. See https://www.drupal.org/node/3402107', E_USER_DEPRECATED);
            $this->processor = \Drupal::service('access_policy_processor');
        }
    }
    
    /**
     * {@inheritdoc}
     */
    public function hasPermission(string $permission, AccountInterface $account) : bool {
        $item = $this->processor
            ->processAccessPolicies($account)
            ->getItem();
        return $item && $item->hasPermission($permission);
    }

}