private static void BuilderPatternDemo()
{
AbstractWidget abstractWidget = new SmallWidget(FinishColor.PlatedPlatinum);
WagBuilder wagBuilder = new WidgetBuilder(abstractWidget);
WagDirector wagDirector = new WidgetDirector();
IWag widget = wagDirector.Build(wagBuilder);
Console.WriteLine(widget);
AbstractGadget abstractGadget = new SmallGadget(FinishColor.PlainBlack);
WagBuilder builder = new GadgetBuilder(abstractGadget);
WagDirector director = new GadgetDirector();
IWag gadget = director.Build(builder);
Console.WriteLine(gadget);
}