using System;

using System.Collections.Generic;

using YamlDotNet.Serialization;

​

public class Program

{

    public static void Main()

    {

        var dictionary = new Dictionary<string, string>();

        dictionary.Add("key", "value");

        dictionary.Add("key2", "value2");

        var serializer = new SerializerBuilder().Build();

        var yaml = serializer.Serialize(dictionary);

        Console.WriteLine(yaml);

    }

}