public class Decorator implements DrinkItem {
    private DrinkItem drink;
    
    public Decorator(DrinkItem drink) {
        this.drink = drink;
    }
    public DrinkItem getDrinkItem() {
        return drink;
    }
    public double getCost() {
        return drink.getCost();
    }
    public String getDescription() {
        return drink.getDescription();
    }
}