declare const isAd: (value: string) => boolean;
declare const getAdHeaderMonth: (bsMonth: string, adMonth: number, bsYear: string, adYear: string) => {
    oMonth: string;
    month: string;
    oYear: string;
    year: string;
};
/** AD To BS */
declare const ad2Bs: (adDate: string) => string;
export { isAd, getAdHeaderMonth, ad2Bs };