declare function fromDate(date: Date | string): {
    year: number;
    quarter: number | undefined;
    period: number;
    week: number;
} | undefined;
export interface ToDateOptions {
    year?: number;
    quarter?: number;
    period?: number;
    week?: number;
    day?: number;
}
declare function toDate(options: ToDateOptions): Date;
declare const _default: {
    QUARTERS_IN_YEAR: number;
    PERIODS_IN_YEAR: number;
    DAYS_IN_PERIOD: number;
    DAYS_IN_YEAR: number;
    fromDate: typeof fromDate;
    toDate: typeof toDate;
    convert: typeof fromDate;
};
export default _default;