public async Task DeleteDocument(InboxDocument document)
 {
     await _requestHelper.Delete(document.Delete).ConfigureAwait(false);
 }
        public async Task <Stream> FetchDocument(InboxDocument document)
        {
            var documentDataUri = new Uri($"{_inboxRoot}/{document.Id}/content", UriKind.Relative);

            return(await _requestHelper.GetStream(documentDataUri).ConfigureAwait(false));
        }