export declare const monthByNumber: {
    0: string;
    1: string;
    2: string;
    3: string;
    4: string;
    5: string;
    6: string;
    7: string;
    8: string;
    9: string;
    10: string;
    11: string;
};
export declare const numberByMonth: {
    January: number;
    February: number;
    March: number;
    April: number;
    May: number;
    June: number;
    July: number;
    August: number;
    September: number;
    October: number;
    November: number;
    December: number;
};
export declare const unit: {
    day: string;
    month: string;
    year: string;
};
export declare const getDaysInMonth: (year: number, month: number) => number;