using System;

public class Program

{

    public static void Main()

    {

        BaseObject cat = new Cat();

        Console.WriteLine(cat.DatabaseTableName);

    }

}

​

public abstract class BaseObject

{

    internal abstract string DatabaseTableName { get; }

    internal abstract string ObjectType { get; }

​

}

​

public abstract class BaseObject32 : BaseObject

{

    public int Id { get; private set; }

}

​

public abstract class BaseObject64 : BaseObject

{

    public long Id { get; private set; }

}

​

public class Cat : BaseObject32

{

    internal override string DatabaseTableName => "animals.cat";

    internal override string ObjectType => "Cat";

}