import { Product } from "./product";
import { CartItem } from "./cart-item";
import { CartOptions } from "./stores-interfaces";
/**
 * Default cart options
 */
export declare const defaultCartOptions: Partial<CartOptions>;
/**
 * Shopping cart which tracks products and maintains a subtotal
 * - maintain a cart containing products and keeping track of quantities etc
 * - you must provide a catalog of all available items
 * - items with quantity 0 are considered "not in the cart"
 */
export declare class Cart {
    itemCatalog: CartItem[];
    panelOpen: boolean;
    private readonly storageKey;
    private readonly omniStorage;
    private readonly currencyControl;
    constructor(opts: CartOptions);
    /**
     * Rehydrate the item catalog details from storage
     */
    private loadFromStorage;
    /**
     * Save item catalog details to storage
     */
    private saveToStorage;
    /**
     * Getter for items which are "in the cart"
     * - active items are cart items with quantity greater than zero
     */
    readonly activeItems: CartItem[];
    /**
     * Sum of cart item value
     */
    readonly value: number;
    /**
     * Formatter price tag for the whole cart's value
     */
    readonly price: string;
    /**
     * Toggle the cart panel open or closed
     */
    togglePanelOpen(open?: boolean): boolean;
    /**
     * Remove all products from the cart
     */
    clear(): void;
    /**
     * Get a cart item by providing the product inside
     */
    getProductItem(product: Product): CartItem;
}