import type { Union } from '@lspriv/wx-calendar/lib';
import { ICalTime, type WeekDay } from './time';
export interface ICalRecurDict {
    freq?: FrequencyValue;
    count?: number;
    interval?: number;
    until?: ICalTime | string;
    wkst?: number | string;
    bysecond?: number;
    byminute?: number;
    byhour?: number;
    byday?: string;
    bymonthday?: number;
    byyearday?: number;
    byweekno?: number;
    bymonth?: number;
    bysetpos?: number;
}
type ICalRecurParts = {
    [K in keyof ICalRecurDict as Uppercase<K>]: ICalRecurDict[K] extends Array<any> ? [ICalRecurDict[K]] : ICalRecurDict[K];
};
/**
 * This class represents the "recur" value type, with various calculation
 * and manipulation methods.
 */
export declare class ICalRecur implements ICalRecurDict {
    /** An object holding the BY-parts of the recurrence rule */
    parts: ICalRecurParts;
    /** The interval value for the recurrence rule. */
    interval: number;
    /** The week start day */
    wkst: WeekDay;
    /** The end of the recurrence */
    until?: ICalTime;
    /** The maximum number of occurrences */
    count?: number;
    /** The frequency value. */
    freq?: FrequencyValue;
    /** The class identifier. */
    icalclass: "icalrecur";
    /** The type name, to be used in the jCal object. */
    icaltype: "recur";
    constructor(data?: ICalRecurDict);
    fromData(data: ICalRecurDict): void;
    /**
     * The jCal representation of this recurrence type.
     */
    toJSON(): ICalRecurDict;
}
/**
 * Convert a numeric day value into its ical representation (SU, MO, etc..)
 */
export declare const numericDayToIcalDay: (num: number, weekstart?: WeekDay) => string;
/**
 * Possible frequency values for the FREQ part
 * (YEARLY, MONTHLY, WEEKLY, DAILY, HOURLY, MINUTELY, SECONDLY)
 */
declare const ALLOWED_FREQ: readonly ["SECONDLY", "MINUTELY", "HOURLY", "DAILY", "WEEKLY", "MONTHLY", "YEARLY"];
type FrequencyValue = Union<typeof ALLOWED_FREQ>;
export declare const stringToData: (str: string, fmtIcal: boolean) => ICalRecurDict;
/**
 * Creates a new instance using members from the passed
 * data object.
 */
export declare const fromData: (data: ICalRecurDict) => ICalRecur;
export {};