import { ethers } from "ethers";
import { ProductCart } from "./cartProductTypes";
export declare function updateAllowedItems({ cart, checkAllowedItems, buyer, provider }: {
    cart: ProductCart[];
    checkAllowedItems: ProductCart[];
    buyer: string;
    provider: ethers.providers.JsonRpcProvider | ethers.providers.FallbackProvider;
}): Promise<ProductCart[]>;