import { CartItem } from "../stores/cart-item";
import { CheckoutMachineBase } from "../ecommerce/checkout-machine-base";
import { ShopifyClient } from "./shopify-interfaces";
export declare class ShopifyCheckoutMachine extends CheckoutMachineBase {
    private readonly shopifyClient;
    constructor({ shopifyClient }: {
        shopifyClient: ShopifyClient;
    });
    checkout(items: CartItem[]): Promise<string>;
}