package log type Logger interface { Alert(a ...interface{}) Alertf(format string, a ...interface{}) Error(a ...interface{}) Errorf(format string, a ...interface{}) Highlight(a ...interface{}) Highlightf(format string, a ...interface{}) Inform(a ...interface{}) Informf(format string, a ...interface{}) Log(a ...interface{}) Logf(format string, a ...interface{}) Trace(a ...interface{}) Tracef(format string, a ...interface{}) Warn(a ...interface{}) Warnf(format string, a ...interface{}) Prefix(...string) Logger Begin(a ...interface{}) Logger End(a ...interface{}) Level(uint8) Logger }