public DoubleShortDecorator(BeverageComponent beverageComponent)
 {
     if (beverageComponent == null)
     {
         this._beverageComponent = new ConcreteEspress();
     }
 }
 public CaramelDecorator(BeverageComponent beverageComponent)
 {
     if (beverageComponent == null)
     {
         this._beverageComponent = new ConcreteEspress();
     }
 }