using System;

​

public class Program

{

    public static void Main()

    {

        Foo foo2 = Foo.Create("value1", "value2");

    }

​

    public interface IDualValues<T>

    {

        public T FirstValue

        {

            get;

        }

​

        public T SecondValue

        {

            get;

        }

    }

​

    public class Foo : DualValuesBuilder<string, Foo>

    {

    }

​

    public class DualValuesBuilder<T, CreatedType> : IDualValues<T> where CreatedType : class, IDualValues<T>

    {

        public T FirstValue { get; init; }

        public T SecondValue { get; init; }

​

​

        public static CreatedType Create(T firstValue, T secondValue)

        {

            return (CreatedType)DualValuesBuilderHelper<T>.Create<CreatedType>(firstValue, secondValue);

        }

    }

​

    public class DualValuesBuilderHelper<T> : IDualValues<T>

    {

        public T FirstValue { get; init; }

        public T SecondValue { get; init; }

​

​

        private protected DualValuesBuilderHelper(T firstValue, T secondValue)

        {

            FirstValue = firstValue;

            SecondValue = secondValue;

        }

​

        public static IDualValues<T> Create<ReturnType>(T developerK8SClusterValue, T octopusValue)

            where ReturnType : IDualValues<T>

        {

            return new DualValuesBuilderHelper<T>(developerK8SClusterValue, octopusValue);

        }

    }

}