package Ġcom . github . buy al sky . shopping cart service . repository Ċ Ċ import Ġcom . github . buy al sky . shopping cart service . entity . Shopping Cart Ċ import Ġorg . springframework . data . repository . kotlin . Coroutine Crud Repository Ċ Ċ interface ĠShop ping Cart Repository : ĠCor outine Crud Repository < Shopping Cart , ĠString > Ċ