using System;

public class Program

{   

    public static void Main()

    {

        var i = new Instance();

        i.DoSomething();

        Console.WriteLine($"** {i.SomeType.SomeInt}");

    }

​

}

​

public class Instance

{

    public SomeType SomeType;

    public Instance()

    {

    }

    public void DoSomething()

    {

        RefActions.RefMiddleware(ref SomeType);

    }

}

​

public static class RefActions

{

    public static void RefMiddleware(ref SomeType someValue)

    {

        if (someValue == null)

            OutActions.SetRefToOutValue(out someValue);

    }

}

​

public static class OutActions

{

    public static void SetRefToOutValue(out SomeType someValue)

        => someValue = new SomeType { SomeInt = 42 };

}

​

public class SomeType

{

    public int SomeInt = 0;

}