import type { CurrencyValue } from '../../../libs/util-domain-models'; import type { Cart, CartItem } from '../models'; export declare const isSameCurrencyCode: (a?: CurrencyValue | undefined) => (b?: CurrencyValue | undefined) => boolean; export declare const taxRateFromCart: (cart: Cart) => number; export declare const applyTaxRate: (taxRate: number) => (cart: Cart) => Cart; export declare const affixCartItems: (items: CartItem[]) => (cart: Cart) => Cart; export declare const updateTotalPriceFromQuantity: (quantity: number) => (item: CartItem) => CartItem;