public static class QDMTestFactory
    {
        private static Func<TaborArb2074, QDMTest> FactoryMethod { get; set; }
        public static void Initalize(Func<TaborArb2074, QDMTest> factoryMethod)
        {
            FactoryMethod = factoryMethod;
        }
        public static QDMTest Create(TaborArb2074 taborArb)
        {
            if (FactoryMethod != null)
                return FactoryMethod(taborArb);
            return new QDMTest(taborArb);
        }
    }
public static class TaborArb2074Factory
    {
        private static Func<string, TaborArb2074> FactoryMethod { get; set; }
        public static void Initialize(Func<string, TaborArb2074> factoryMethod)
        {
            FactoryMethod = factoryMethod;
        }
        public static TaborArb2074 Create(string address)
        {
            if (FactoryMethod != null)
                return FactoryMethod(address);
            return new TaborArb2074(address);
        }
    }