Inheritance: AViewModel, IFileUploader
		public IFileUploader Upload(Guid objectGUID, uint formatTypeID, string fileName, Stream fileData)
		{
			var uploader = new FileUploader(_client);
			uploader.Initialize(objectGUID, formatTypeID, fileName.ValidateIsNotNull("fileName"), fileData.ValidateIsNotNull("fileData"));

			_innerFileUploaders.Add(uploader);

			return uploader;
		}