logger

type CallLogOption struct {
	// contains filtered or unexported fields
}

type Logger interface {
	Infof(template string, args ...interface{})
	Infow(msg string, keysAndValues ...interface{})
	Info(args ...interface{})

	Debugf(template string, args ...interface{})
	Debugw(msg string, keysAndValues ...interface{})
	Debug(args ...interface{})

	Warnf(template string, args ...interface{})
	Warnw(msg string, keysAndValues ...interface{})
	Warn(args ...interface{})

	Errorf(template string, args ...interface{})
	Errorw(msg string, keysAndValues ...interface{})
	Error(args ...interface{})

	Panicf(template string, args ...interface{})
	Panicw(msg string, keysAndValues ...interface{})
	Panic(args ...interface{})

	Fatalf(template string, args ...interface{})
	Fatalw(msg string, keysAndValues ...interface{})
	Fatal(args ...interface{})

	Sync() error
}