func SyslogCEEWriter(w SyslogWriter) LevelWriter {
	return syslogWriter{w, ceePrefix}
}
SyslogCEEWriter wraps a SyslogWriter with a SyslogLevelWriter that adds a
MITRE CEE prefix for JSON syslog entries, compatible with rsyslog
and syslog-ng JSON logging support.
See https://www.rsyslog.com/json-elasticsearch/
package zerolog
import (
	"io"
)
const ceePrefix = "@cee:"
type SyslogWriter interface {
	io.Writer
	Debug(m string) error
	Info(m string) error
	Warning(m string) error
	Err(m string) error
	Emerg(m string) error
	Crit(m string) error
}
type syslogWriter struct {
	w      SyslogWriter
	prefix string
}
func SyslogLevelWriter(w SyslogWriter) LevelWriter {
	return syslogWriter{w, ""}
}