pizzas.ts

type MargheritaToppings = {
    mushrooms?: boolean;
    olives?: boolean;
    onion?: boolean;
    basil?: boolean;
};

type HawaiianToppings = {
    pineapple?: boolean;
};

class Pizza<T> {
    addToppings(toppings: T) {}
}

class PizzaMargherita extends Pizza<MargheritaToppings> {}