static async Task Main(string[] args)
        {
            var channel = GrpcChannel.ForAddress("https://localhost:5001");
            var client  = new Greeter.GreeterClient(channel);

            var resp = await client.SayHelloAsync(new HelloRequest()
            {
                Name = "Alex"
            });

            Console.WriteLine(resp.Message);

            using (var stream = client.GetNumbers(new GetNumbersRequest()
            {
                Count = 10
            }))
            {
                while (await stream.ResponseStream.MoveNext())
                {
                    var num = stream.ResponseStream.Current;
                    Console.WriteLine($"{num.Index} = {num.Number}");
                }
            }

            Console.ReadLine();
        }