AbolishSnippet5.cs

public class Type0Entity : Entity
{
    public override int GetNewValue(int newValue)
    {
        return newValue;
    }
}

public class Type1Entity : Entity
{
    public override int GetNewValue(int newValue)
    {
        return 2*newValue;
    }
}

public class Type2Entity : Entity
{
    public override int GetNewValue(int newValue)
    {
        return 3*newValue;
    }
}