public function sslCertificateValid(SSLCertificateMonitor $sslCertificateMonitor)
{
$this->sendNotification('whenSSLCertificateValid', "SSL Certificate Valid: {$sslCertificateMonitor->getUrl()}", "SSL Certificate is valid for {$sslCertificateMonitor->getUrl()}. Expires in {$sslCertificateMonitor->getCertificateDaysUntilExpiration()} days.", BaseSender::TYPE_SUCCESS);
}