/**
 * @rajeev02/app-shell — Cart & Checkout
 * Cart management, address, coupons, order tracking
 */
export interface CartItem {
    id: string;
    productId: string;
    name: string;
    imageUrl?: string;
    price: number;
    quantity: number;
    maxQuantity?: number;
    variant?: string;
    metadata?: Record<string, unknown>;
}
export interface CartSummary {
    items: CartItem[];
    subtotal: number;
    discount: number;
    tax: number;
    deliveryFee: number;
    total: number;
    couponCode?: string;
    itemCount: number;
}
export interface Address {
    id: string;
    label?: string;
    fullName: string;
    phone: string;
    line1: string;
    line2?: string;
    city: string;
    state: string;
    pincode: string;
    isDefault: boolean;
    latitude?: number;
    longitude?: number;
}
export type OrderStatus = "created" | "confirmed" | "processing" | "shipped" | "out_for_delivery" | "delivered" | "cancelled" | "returned" | "refunded";
export interface Order {
    id: string;
    items: CartItem[];
    address: Address;
    status: OrderStatus;
    paymentMethod: string;
    paymentStatus: "pending" | "paid" | "failed" | "refunded";
    subtotal: number;
    discount: number;
    tax: number;
    deliveryFee: number;
    total: number;
    couponCode?: string;
    trackingId?: string;
    createdAt: number;
    updatedAt: number;
    estimatedDelivery?: string;
}
/**
 * Cart Manager
 */
export declare class CartManager {
    private items;
    private couponCode;
    private couponDiscount;
    private taxRate;
    private deliveryFee;
    private listeners;
    /** Add item to cart */
    add(item: Omit<CartItem, "quantity">, quantity?: number): void;
    /** Update quantity */
    updateQuantity(itemId: string, quantity: number): void;
    /** Remove item */
    remove(itemId: string): void;
    /** Clear cart */
    clear(): void;
    /** Apply coupon */
    applyCoupon(code: string, discountAmount: number): void;
    /** Remove coupon */
    removeCoupon(): void;
    /** Set delivery fee */
    setDeliveryFee(fee: number): void;
    /** Get cart summary */
    getSummary(): CartSummary;
    /** Check if cart is empty */
    isEmpty(): boolean;
    /** Get item count */
    getItemCount(): number;
    /** Subscribe to cart changes */
    onChange(listener: () => void): () => void;
    /** Export cart for persistence */
    export(): Record<string, unknown>;
    /** Import cart from persistence */
    import(data: Record<string, unknown>): void;
    private notify;
}
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