/**
* Constructor.
*
* @param MailInterface $mail The mail
* @param string|null $file The file name
*/
public function __construct(MailInterface $mail, $file = null)
{
parent::__construct($mail);
$this->setFile($file);
$this->subject = 'subject';
$this->htmlBody = 'html_body';
$this->body = 'body';
}
