System.IO.Compression.DeflateStream.WriteDeflaterOutputAsync C# (CSharp) Method

        private async Task WriteDeflaterOutputAsync(CancellationToken cancellationToken)
        {
            while (!_deflater.NeedsInput())
            {
                int compressedBytes = _deflater.GetDeflateOutput(_buffer);
                if (compressedBytes > 0)
                {
                    await _stream.WriteAsync(_buffer, 0, compressedBytes, cancellationToken).ConfigureAwait(false);
                }
            }
        }