using System;
using Confluent.Kafka;
class Program
{
    static void Main(string[] args)
    {
        var config = new ProducerConfig
        {
            BootstrapServers = "localhost:9092"
        };
        using var producer = new ProducerBuilder<Null, string>(config).Build();
        
        var topic = "test-topic";
        var message = new Message<Null, string> { Value = "Hello, Kafka!" };
        producer.Produce(topic, message, deliveryReport => {
            Console.WriteLine(deliveryReport.Message.Value);
        });
	producer.Flush(new TimeSpan(0,0,30));

    }
}