type BsMonthData = {
    days: number;
    startAd: string;
};
type BsYearData = Record<string, BsMonthData>;
type BsDates = Record<string, BsYearData>;
export declare function adToBs(adDateStr: string, bsData: BsDates): {
    bsYear: number;
    bsMonth: number;
    bsDay: number;
} | null;
export declare function bsToAd(bsYear: number, bsMonth: number, bsDay: number, bsData: BsDates): string | null;
export declare const NepaliDateConverter: {
    adToBs: typeof adToBs;
    bsToAd: typeof bsToAd;
};
export {};