public StandardFileUploader(
     ShareFileClient client,
     UploadSpecification uploadSpecification,
     UploadSpecificationRequest uploadSpecificationRequest,
     Stream stream,
     FileUploaderConfig config = null)
     : this(client, uploadSpecificationRequest, stream, config, expirationDays : null)
 {
     UploadSpecification = uploadSpecification;
 }
 public ActiveUploadState(UploadSpecification uploadSpecification, long bytesUploaded)
 {
     UploadSpecification = uploadSpecification;
     BytesUploaded       = bytesUploaded;
 }