import { Currency, CurrencyCode } from './Currency';
import { Big } from 'big.js';
export type CurrencySource = string | CurrencyCode | Currency;
export declare class Money {
    private readonly _amount;
    private readonly _currency;
    private constructor();
    get amount(): Big;
    get currency(): Currency;
    static of(amount: number | string | Big, currency: CurrencySource): Money;
    static USD(amount: number | string | Big): Money;
    toNumber(): number;
    /**
     * Rounds the amount down to match the currency's defined scale.
     * This method could be used when converting an amount to its final monetary value.
     *
     * @returns {Money} A new Money instance with the amount rounded down to the currency's scale.
     */
    roundToCurrencyScale(): Money;
    multiply(multiplier: number | string | Big): Money;
    add(money: Money): Money;
    subtract(money: Money): Money;
    equals(money: Money): boolean;
    greaterThan(money: Money): boolean;
    greaterThanOrEqual(money: Money): boolean;
    lessThan(money: Money): boolean;
    lessThanOrEqual(money: Money): boolean;
    isZero(): boolean;
    isPositive(): boolean;
    isNegative(): boolean;
    private withAmount;
    private requireSameCurrency;
}