* @license http://opensource.org/licenses/MIT MIT * @link http://thephpleague.com/oauth2-client/ Documentation * @link https://packagist.org/packages/league/oauth2-client Packagist * @link https://github.com/thephpleague/oauth2-client GitHub */ namespace YoastSEO_Vendor\League\OAuth2\Client\Token; interface ResourceOwnerAccessTokenInterface extends \YoastSEO_Vendor\League\OAuth2\Client\Token\AccessTokenInterface { /** * Returns the resource owner identifier, if defined. * * @return string|null */ public function getResourceOwnerId(); }