switch mt {
	case CounterMT:
		return "counter"
	case GaugeMT:
		return "gauge"
	case HistogramMT:
		return "histogram"
	default:
		return "*unknown*"
	}
}

func (mt MetricType) toProm() prometheus.ValueType {
	switch mt {
	case CounterMT:
		return prometheus.CounterValue
	case GaugeMT:
		return prometheus.GaugeValue
	case HistogramMT:
		return prometheus.CounterValue
	default:

	i := 0
	for key := range settableFlags {
		keys[i] = key
		i++
	}
	sort.Strings(keys)
	w := new(tabwriter.Writer).Init(writer, 0, 8, 5, ' ', 0)
	fmt.Fprintf(w, "FLAG\tVALUE\tFROM\n")
	for _, flag := range keys {
		v := settableFlags[flag]
		fmt.Fprintf(w, "%s\t%s\t%v\n", flag, viper.GetString(flag), configSource(flag, v))
	}
	return w.Flush()
}

rb,ca?duolcsd,e&ilpad:.tsohlacol,,pcm,?gro?hctilg,kcatsegde,noitatsksid,o&bmoy,c?t&nigol,poh,??p&i&on,snart.etis,?ohbew,?r&aegelif,idcm,ofsnd,?s&dym,ndd,ti?umhol,?t&en?farc,s&acdnuos,ohon,??ude?v&irp?og??y&golonys,olpedew,srab,??a&g?n!.&reh.togrof,sih.togrof,???em?irp?orhc?w??n!goloc?i&lno!.&egats-oree,oree,ysrab,??w??o!.&derno:.gnigats,,ecivres,knilemoh,?hp?latipac?ts&der?e&gdirb?rif???z!.&66duolc,amil,sh,tikcats,???ruoblem??om?p!.&bog?gro?lim?mo&c?n??t&en?opsgolb,?ude??irg?yks??r!.&mo&c?n??nac...

rb,ca?duolcsd,e&ilpad:.tsohlacol,,pcm,?gro?hctilg,kcatsegde,noitatsksid,o&bmoy,c?t&nigol,poh,??p&i&on,snart.etis,?ohbew,?r&aegelif,idcm,ofsnd,?s&dym,ndd,ti?umhol,?t&en?farc,s&acdnuos,ohon,??ude?v&irp?og??y&golonys,olpedew,srab,??a&g?n!.&reh.togrof,sih.togrof,???em?irp?orhc?w??n!goloc?i&lno!.&egats-oree,oree,ysrab,??w??o!.&derno:.gnigats,,ecivres,knilemoh,?hp?latipac?ts&der?e&gdirb?rif???z!.&66duolc,amil,sh,tikcats,???ruoblem??om?p!.&bog?gro?lim?mo&c?n??t&en?opsgolb,?ude??irg?yks??r!.&mo&c?n??nac...