import type { Cart, CartItem, PreorderAttributes, QuantityUpdate } from "./cart";
export interface ShopifyStorefrontCartItem extends CartItem {
    merchandise?: {
        id: string;
    };
}
export declare class ShopifyStorefrontCart implements Cart<ShopifyStorefrontCartItem> {
    private origin;
    private accessToken;
    constructor(origin: string, accessToken: string);
    hasPreorderAttributes(item: ShopifyStorefrontCartItem): boolean;
    addPreorderAttributes(item: ShopifyStorefrontCartItem, attrs: PreorderAttributes): {
        attributes: {
            key: string;
            value: string;
        }[];
        merchandise?: {
            id: string;
        };
        id: string;
        variantId: string | null;
        quantity: number;
    };
    removePreorderAttributes(item: ShopifyStorefrontCartItem): {
        attributes: {
            key: string;
            value: string;
        }[];
        merchandise?: {
            id: string;
        };
        id: string;
        variantId: string | null;
        quantity: number;
    };
    fetchItems(cartId?: string | null): Promise<Required<ShopifyStorefrontCartItem>[]>;
    decrementQuantity(variantIdOrCartLineItemId: string, cartId?: string | null): Promise<void>;
    updateQuantities(updates: QuantityUpdate[], cartId?: string | null): Promise<void>;
    clear(cartId?: string | null): Promise<void>;
    navigateToCheckout(cartId?: string | null): Promise<void>;
    getCartId(): Promise<string>;
    getCartType(): string;
    private graphql;
}