import { type default as Analytics } from '@farfetch/blackout-analytics';
import type { ProductEntity, ProductEntityDenormalized } from '../../entities/types/index.js';
import type { StoreState } from '../../types/index.js';
/**
 * Returns the different product categories separated with a `/`.
 *
 * @param product - The product object.
 *
 * @returns String with all category names joined with a '/' character.
 */
export declare const getCategory: (product: ProductEntityDenormalized | undefined) => string;
/**
 * Returns the product brand name.
 *
 * @param state   - The current application state.
 * @param product - The product object.
 *
 * @returns The brand name for the product.s
 */
export declare const getBrand: (state: StoreState, product: ProductEntity | undefined) => string | undefined;
/**
 * Returns the product variant (color).
 *
 * @param product - The product object.
 *
 * @returns The product variant.
 */
export declare const getVariant: (product: ProductEntity | ProductEntityDenormalized | undefined) => string | undefined;
/**
 * Returns the product size by the selected size id.
 *
 * @param product - The product object.
 * @param sizeId  - The selected size ID.
 *
 * @returns The size name.
 */
export declare const getSize: (product: ProductEntity | ProductEntityDenormalized | undefined, sizeId: number) => string | undefined;
/**
 * Returns the product size information by the selected size id.
 *
 * @param product - The product object.
 * @param sizeId - The selected size ID.
 *
 * @returns The size information.
 */
export declare const getSizeFullInformation: (product: ProductEntity | ProductEntityDenormalized | undefined, sizeId: number) => import("../../types/index.js").SizeAdapted | undefined;
/**
 * Returns the currency code passed to analytics via `useContext()`.
 *
 * @param analyticsInstance - Analytics instance.
 *
 * @returns The currency from analytics's context.
 */
export declare const getCurrency: (analyticsInstance: Analytics) => Promise<string | undefined>;
/**
 * Calculates the price discount absolute value by subtracting the price with
 * discount value from the price without discount value. Using the
 * price.discount.rate or even the price.discount.includingTaxes was considered but
 * they introduce additional complexity as they might not exist in the store or
 * cause rounding errors in the case of the price.discount.rate as it is a
 * percentage.
 *
 * @param priceWithDiscount    - The price value with discount.
 * @param priceWithoutDiscount - The price value without discount.
 *
 * @returns The absolute discount value or 0 if either priceWithDiscount or priceWithoutDiscount are
 * not numbers.
 */
export declare const calculatePriceDiscount: (priceWithDiscount: number, priceWithoutDiscount: number) => number;