export declare enum CountryCodes {
    IND = "IND",
    USA = "USA",
    GBR = "GBR"
}
export declare class AmountToWords {
    private first;
    private tens;
    private numSys;
    private curCodes;
    toWords: (amount: string | number, countryCode?: string) => string;
    private getCurrencyWhole;
    private getCurrencyChange;
    private getCurrencySymbol;
    private getNumSys;
    private convert;
    private convertInUS;
    private getUnits;
}