func AllowInfoAndAbove() []string {
	return []string{errorLevelValue, warnLevelValue, infoLevelValue}
}
AllowInfoAndAbove allows the default info, warn, and error log levels.
Its return value may be provided with the Allowed Option.
package level
import (
	"github.com/go-kit/kit/log"
)
var (
	levelKey        = "level"
	errorLevelValue = "error"
	warnLevelValue  = "warn"
	infoLevelValue  = "info"
	debugLevelValue = "debug"
)
func AllowAll() []string {
	return AllowDebugAndAbove()
}
func AllowDebugAndAbove() []string {
	return []string{errorLevelValue, warnLevelValue, infoLevelValue, debugLevelValue}
}