func newFileUploaderMethodTimeValueRecorders(appName string, meter metric.Meter) (boundTimeValueRecorders map[string]metric.BoundInt64ValueRecorder) {
    boundTimeValueRecorders = make(map[string]metric.BoundInt64ValueRecorder)
    mt := metric.Must(meter)

    nUploadFileValRecorder := []rune("FileUploader_UploadFile_ProcessingTimeMillis")