Microsoft.R.Host.Client.DataTransferSession.FetchAndDecompressBytesAsync C# (CSharp) Method

        public async Task<byte[]> FetchAndDecompressBytesAsync(IRBlobInfo blob, bool doCleanUp, IProgress<long> progress, CancellationToken cancellationToken) {
            byte[] data = null;
            using (MemoryStream compressed = new MemoryStream(await FetchBytesAsync(blob, false, progress, cancellationToken)))
            using (ZipArchive archive = new ZipArchive(compressed, ZipArchiveMode.Read)) {
                var entry = archive.GetEntry("data");
                using (Stream decompressedStream = entry.Open())
                using (MemoryStream ms = new MemoryStream()) {
                    await decompressedStream.CopyToAsync(ms, progress, cancellationToken);
                    data = ms.ToArray();
                }
            }

            if (doCleanUp) {
                _cleanup.Add(blob);
            }

            return data;
        }