static async Task Run()
{
    var listenPort = 11000;
    var listener = new TcpSocketListener();
    listener.ConnectionReceived += async (sender, args) =>
    {
        var client = args.SocketClient;
        var reader = new StreamReader(client.ReadStream);
        var data = await reader.ReadLineAsync() + "n";
        var bytes = Encoding.UTF8.GetBytes(data);
        await client.WriteStream.WriteAsync(bytes, 0, bytes.Length);
        await client.WriteStream.FlushAsync();
    };

    await listener.StartListeningAsync(listenPort);
}

static async Task Run()
{
    var address = "127.0.0.1";
    var port = 11000;

    var client = new TcpSocketClient();
    var connectionTask = client.ConnectAsync(address, port);
    connectionTask.Wait(5000);

    if (connectionTask.IsCompleted)
    {
        //
    }

    var bytes = Encoding.UTF8.GetBytes("Olá mundon");
    await client.WriteStream.WriteAsync(bytes, 0, bytes.Length);
    await client.WriteStream.FlushAsync();

    var reader = new StreamReader(client.ReadStream);
    var data = await reader.ReadLineAsync();
    Console.WriteLine(data);
}