Decorator design pattern play classes

interface BeverageInterface getDescription() setDescription() getSize() setSize() getPrice() setPrice() cost()

class Beverage implements BeverageInterface use BeverageAttributeTrait, SizeAbleTrait; __construct(‘stringForDescription’){//setDescription/Price/SizeSheets)

class AddOn implements BeverageInterface use BeverageAbleTrait $beverage; __construct(’stringForDescription’, BeverageInterface $beverage){//setDescription/PriceSheets)

class DescriptionSheet implements DescriptionSheetContract

class SizeSheet implements SizeSheetContract

class PriceSheet implements PriceSheetContract

interface SizeSheetContract findSize()

interface PriceSheetContract findPrice()

interface DescriptionSheetContract findDescription()

BeverageAbleTrait $descriptionSheet = new DescriptionSheetContract; $priceSheet = new PriceSheetContract; $price; $size; $description;

SizeAbleTrait $sizeSheet = new SizeSheetContract

class Bindings //register domain bindings