if os.IsNotExist(err) {
				return nil
			}
			return err
		}
		err = target.send(event)
	case key.ItemCount > 1:
		var events []event.Event
		events, err = target.store.GetMultiple(key)
		if err != nil {
			if os.IsNotExist(err) {
				return nil
			}
			return err
		}
		err = target.sendMultiple(events)
	}
	if err != nil {
		if isKafkaConnErr(err) {