private static void DemonstrateDecorator()
{
// First create a component that should be decorated
var component = new ConcreteComponent();
// Then create a decorator and supply the component to it, this expands the components functionality.
var decoratorA = new ConcreteDecoratorA(component);
// The pattern allows both adding the base component, or another decorator.
var decoratorB1 = new ConcreteDecoratorB(component);
var decoratorB2 = new ConcreteDecoratorB(decoratorA); // Expands the functionality even more.
component.Operation();
decoratorA.Operation();
decoratorB1.Operation();
decoratorB2.Operation();
decoratorB2.AddedBehavior();
}
