import type { Cart, CartItem, PreorderAttributes, QuantityUpdate } from "./cart";
export interface ShopifyAJAXCartItem extends CartItem {
    variantId: string | null;
    quantity: number;
    properties?: Record<string, string>;
}
export declare class ShopifyAJAXCart implements Cart<ShopifyAJAXCartItem> {
    hasPreorderAttributes(item: ShopifyAJAXCartItem): boolean;
    addPreorderAttributes(item: ShopifyAJAXCartItem, attrs: PreorderAttributes): {
        id: string;
        variantId: string | null;
        quantity: number;
        properties: {
            __releaseId: string;
            "Purple Dot Pre-order": string;
        };
    } & {
        attributes: {
            key: string;
            value: string;
        }[];
    };
    removePreorderAttributes(item: ShopifyAJAXCartItem): {
        id: string;
        variantId: string | null;
        quantity: number;
        properties: {
            [k: string]: string;
        };
    } & {
        attributes: {
            key: string;
            value: string;
        }[];
    };
    fetchItems(): Promise<any>;
    decrementQuantity(id: string): Promise<void>;
    updateQuantities(updates: QuantityUpdate[], _cartId?: string | null): Promise<void>;
    clear(): Promise<void>;
    navigateToCheckout(): Promise<void>;
    getCartId(): Promise<string | null>;
    getCartType(): string;
}
export declare function updatePreorderAttributes(item: ShopifyAJAXCartItem): Promise<ShopifyAJAXCartItem | null>;
export declare function addAttributes<T extends {
    properties?: Record<string, string>;
}>(x: T): T & {
    attributes: {
        key: string;
        value: string;
    }[];
};