public function run()
 {
     $request = \Yii::$app->request;
     $grantType = GrantTypeAbstract::createGrantType(['accessTokenLifetime' => $this->accessTokenLifetime, 'refreshTokenLifetime' => $this->refreshTokenLifetime]);
     $grantType->validate();
     \Yii::$app->response->data = $grantType->getResponseData();
 }