report/log/logger.go
func (l *reportLogger) Printf(format string, v ...interface{}) {
	if l.logger != nil {
		l.logger.Debug(fmt.Sprintf(format, v...))
	}
}
func (l *reportLogger) Printf(format string, v ...interface{}) {
	if l.logger != nil {
		l.logger.Debug(fmt.Sprintf(format, v...))
	}
}
func ( l * reportLogger ) Printf ( format string , v ... interface { } ) { if l . logger != nil { l . logger . Debug ( fmt . Sprintf ( format , v ... ) ) } }
// Printf logs internal messages from a reporter.
Printf logs internal messages from a reporter .