public function sendTokenMail(AccountInterface $user, $mailModule, $mailKey, array $params = [])
    {
        global $language;

        $token = $this->createToken($user);
        $params = ['user' => $user, 'token' => $token] + $params;

        drupal_mail($mailModule, $mailKey, $user->getEmail(), $language, $params);
    }