public override async Task <IDuplexPipe> ConnectAsync(CancellationToken cancellationToken)
{
var stream = new NamedPipeClientStream(".", _pipeName, PipeDirection.InOut, System.IO.Pipes.PipeOptions.Asynchronous);
// We connect with a timeout of 0 because if the server isn't available we want to immediately cancel.
stream.Connect(timeout: 0);
return(stream.CreatePipe());
}