app/bundles/IntegrationsBundle/Auth/Provider/Oauth2ThreeLegged/Credentials/AccessTokenInterface.php

<?php

declare(strict_types=1);

namespace Mautic\IntegrationsBundle\Auth\Provider\Oauth2ThreeLegged\Credentials;

use Mautic\IntegrationsBundle\Auth\Provider\AuthCredentialsInterface;

interface AccessTokenInterface extends AuthCredentialsInterface
{
    public function getAccessToken(): ?string;

    public function getAccessTokenExpiry(): ?\DateTimeImmutable;
}