klog.WarningDepth(klogWrapperDepth, fmt.Sprintf(format, args...))
}

func (klogWrapper) Error(args ...interface{}) {
	klog.ErrorDepth(klogWrapperDepth, args...)
}

func (klogWrapper) Errorln(args ...interface{}) {
	klog.ErrorDepth(klogWrapperDepth, fmt.Sprintln(args...))
}

func (klogWrapper) Errorf(format string, args ...interface{}) {
	klog.ErrorDepth(klogWrapperDepth, fmt.Sprintf(format, args...))
}

	for i := 2; ; i++ {
		_, file, line, ok := rt.Caller(i)
		if !ok {
			break
		}
		buffer.WriteString(fmt.Sprintf("    %s:%d\r\n", file, line))
	}
	klog.Errorln(buffer.String())

	headers := http.Header{}
	if ct := w.Header().Get("Content-Type"); len(ct) > 0 {
		headers.Set("Accept", ct)
	}