Swift_Mailer::newInstance PHP Метод

    public static function newInstance(Swift_Transport $transport)
    {
        return new self($transport);
    }

 /**
  * Direct invocation of the constructor is not permitted.
  */
 protected function __construct(array $config)
 {
     $transport = \Swift_AWSTransport::newInstance($config['api_user'], $config['api_pass']);
     $transport->setDebug(array($this, 'debugCallback'));
     $transport->setEndpoint('https://email.' . strtolower($config['api_type']) . '.amazonaws.com/');
     $this->mailer = \Swift_Mailer::newInstance($transport);
 }