public function createLogoutResponse()
    {
        return (new LogoutResponse())
            ->setStatus(new Status(new StatusCode(SamlConstants::STATUS_SUCCESS)))
            ->setID(Helper::generateID())
            ->setVersion(SamlConstants::VERSION_20)
            ->setIssuer(new Issuer($this->getMetadata()->getServiceProvider()->getEntityID()))
            ->setIssueInstant(new \DateTime());
    }