import type { IsoPrice } from '../../domain.objects/IsoPrice';
/**
 * .what = checks if first price is numerically lesser than second
 * .why = enables safe price comparison without string comparison footgun
 *
 * @throws BadRequestError if currencies do not match
 *
 * @example
 * isIsoPriceLesser('USD 9.00', 'USD 100.00')   // => true (9 < 100)
 * isIsoPriceLesser('USD 100.00', 'USD 9.00')   // => false
 * isIsoPriceLesser('USD 100.00', 'USD 100.00') // => false
 */
export declare const isIsoPriceLesser: <TCurrency extends string = string>(a: IsoPrice<TCurrency> | string, b: IsoPrice<TCurrency> | string) => boolean;