#nullable enable

using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

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

        {

            {

                "some key", "some value"

            }

        };

        _ = dictionary.TryGetValue("some key", out string value);

​

        string value2;

        _ = dictionary.TryGetValue("some key", out value2!);

​

        Console.WriteLine(value);

        Console.WriteLine(value2);

    }

}