public async Task SendAsync(OutgoingMessage message, CancellationToken cancellationToken)
{
var encoder = _encoderFactory.Create(message);
var bytes = encoder.Encode(message);
await _byteStream.WriteAsync(new byte[] { message.ToNodeId }, 0, 1, cancellationToken);
await _byteStream.WriteAsync(bytes, 0, bytes.Length, cancellationToken);
await _byteStream.WriteAsync(new byte[] { 0x0D, 0x0A }, 0, 2, cancellationToken);
}