import { Category, OrderItem, Product, ProductChoice, ProductChoiceGroup, ProductIngredient, ShoppingCart, ShoppingCartItem, ShoppingCartOption } from '../restaurant-manager.models';
import { ApiService } from './api.service';
import { Observable } from 'rxjs';
import { RestaurantService } from './restaurant.service';
export declare class ShoppingCartService {
    protected apiService: ApiService;
    protected restaurantService: RestaurantService;
    shoppingCart: ShoppingCart;
    constructor(apiService: ApiService, restaurantService: RestaurantService);
    createNewShoppingCart(): void;
    getOptions(): Observable<ShoppingCartOption[]>;
    getOptionsByRestaurant(restaurantId: string): Observable<ShoppingCartOption[]>;
    count(): number;
    save(): void;
    set(shoppingCartItems: ShoppingCartItem[]): void;
    add(shoppingCartItem: ShoppingCartItem): void;
    reorderItemsByCategories(categories: Category[]): void;
    update(shoppingCartItem: ShoppingCartItem): void;
    remove(shoppingCartItem: ShoppingCartItem): void;
    getCountByProductId(productId: string): number;
    getItems(): ShoppingCartItem[];
    total(): number;
    vat(): number;
    emptyCart(): void;
    convertToOrderItem(item: ShoppingCartItem, type?: 'product' | 'menu_item'): OrderItem;
    isEnabled(c: ProductChoice | ProductIngredient): boolean;
    enabledChoices(choices: ProductChoice[]): ProductChoice[];
    availableChoices(cg: ProductChoiceGroup): ProductChoice[];
    hasStocks(c: ProductChoice | ProductIngredient): boolean;
    createShoppingCartItem(product: Product, category: Category, quantity?: number): ShoppingCartItem;
}