func (b *Base) Warnf(msg string, a ...interface{}) error {
	return b.Warningf(msg, a...)
}
func (b *Base) Warnf(msg string, a ...interface{}) error {
	return b.Warningf(msg, a...)
}
func ( b * Base ) Warnf ( msg string , a ... interface { } ) error { return b . Warningf ( msg , a ... ) }
// Warnf is a short-hand version of Warningf
Warnf is a short - hand version of Warningf