/**
 * Frequency values according to RFC 5545.
 */
export declare const Frequencies: {
    readonly YEARLY: "YEARLY";
    readonly MONTHLY: "MONTHLY";
    readonly WEEKLY: "WEEKLY";
    readonly DAILY: "DAILY";
    readonly HOURLY: "HOURLY";
    readonly MINUTELY: "MINUTELY";
    readonly SECONDLY: "SECONDLY";
};
/**
 * Weekday codes aligned with `Date#getUTCDay()` (0 = Sunday).
 */
export declare const Weekdays: {
    readonly SU: 0;
    readonly MO: 1;
    readonly TU: 2;
    readonly WE: 3;
    readonly TH: 4;
    readonly FR: 5;
    readonly SA: 6;
};