trait Log extends Sender {
 abstract override def send(event: ServingError): Unit = {
   Logger.log(event.description)
   super.send(event)
 }
}
trait Metric extends Sender {
 abstract override def send(event: ServingError): Unit = {
   Monitor.incrementCounter(event.getClass.getSimpleName, "errorCode" -> event.code.toString)
   super.send(event)
 }
}
trait S3_Backup extends Sender {
 abstract override def send(event: ServingError): Unit = {
   S3_Client.upload(event.content)
   super.send(event)
 }
}
trait Kafka extends Sender {
 abstract override def send(event: ServingError): Unit = {
   Try(KafkaProducer.send(event.content)).getOrElse(super.send(event))
 }
}