export declare enum Week {
    First = 0,
    Second = 1,
    Third = 2,
    Fourth = 3,
    Fifth = 4
}
export declare enum DayOfWeek {
    Sunday = 0,
    Monday = 1,
    Tuesday = 2,
    Wednesday = 3,
    Thursday = 4,
    Friday = 5,
    Saturday = 6
}
export declare function isDayOfWeek(day: unknown): day is DayOfWeek;
export declare enum Month {
    January = 0,
    February = 1,
    March = 2,
    April = 3,
    May = 4,
    June = 5,
    July = 6,
    August = 7,
    September = 8,
    October = 9,
    November = 10,
    December = 11
}
export type DayOfMonth = 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31;
export declare function isDayOfMonth(day: unknown): day is DayOfMonth;
export declare enum Frequency {
    Weekly = "weekly",
    Biweekly = "biweekly",
    SemiMonthly = "semi-monthly",
    Monthly = "monthly",
    Bimonthly = "bimonthly",
    Quarterly = "quarterly",
    Triannually = "triannually",
    Yearly = "yearly"
}
export declare enum RelativeTime {
    Earlier = "earlier",
    Later = "later"
}