import type { IsoPrice } from '../../domain.objects/IsoPrice';
import { IsoPriceRoundMode } from '../../domain.objects/IsoPriceRoundMode';
import type { IsoPriceShape } from '../../domain.objects/IsoPriceShape';
import type { IsoPriceWords } from '../../domain.objects/IsoPriceWords';
/**
 * .what = multiplies a price by a scalar
 * .why = enables quantity calculations and percentage markups
 *
 * maintains input precision by default. uses higher internal precision
 * to avoid intermediate loss, then rounds back to input precision.
 *
 * @example
 * multiplyPrice({ of: 'USD 10.00', by: 3 })
 * // => 'USD 30.00'
 *
 * @example
 * multiplyPrice({ of: 'USD 100.00', by: 1.08 })
 * // => 'USD 108.00' (tax markup)
 */
export declare function multiplyPrice<TCurrency extends string = string>(input: {
    of: IsoPrice<TCurrency> | string;
    by: number;
}, options?: {
    format?: 'words';
    round?: IsoPriceRoundMode;
}): IsoPriceWords<TCurrency>;
export declare function multiplyPrice<TCurrency extends string = string>(input: {
    of: IsoPrice<TCurrency> | string;
    by: number;
}, options: {
    format: 'shape';
    round?: IsoPriceRoundMode;
}): IsoPriceShape<TCurrency>;
/**
 * .what = alias for multiplyPrice
 * .why = provides price-prefixed variant
 */
export declare const priceMultiply: typeof multiplyPrice;