/**
 * Supported RRULE frequency values.
 */
export type RecurrenceFrequency = "YEARLY" | "MONTHLY" | "WEEKLY" | "DAILY" | "HOURLY" | "MINUTELY" | "SECONDLY";
/**
 * Weekday code strings accepted by BYDAY.
 */
export type WeekdayCode = "SU" | "MO" | "TU" | "WE" | "TH" | "FR" | "SA";
/**
 * Parsed subset of iCalendar RRULE fields.
 */
export interface ParsedRRule {
    freq: RecurrenceFrequency;
    interval: number;
    byDay?: number[];
    count?: number;
    until?: Date;
}