util

type Logger interface {
	Debug(args ...interface{})
	Debugf(fmt string, args ...interface{})
	Info(args ...interface{})
	Infof(fmt string, args ...interface{})
	Warn(args ...interface{})
	Warnf(fmt string, args ...interface{})
	Error(args ...interface{})
	Errorf(fmt string, args ...interface{})
	Panic(args ...interface{})
	Panicf(fmt string, args ...interface{})
}