import type { DateObject } from '../utils';
interface ExtractedDateObject extends Partial<DateObject> {
    weekYear?: number;
    weekNumber?: number;
    weekday?: number;
}
export declare function parseISODate(s: string): [dateObj: ExtractedDateObject, timezoneOrOffset: string | number | null] | null[];
export declare function parseRFC2822Date(s: string): [dateObj: ExtractedDateObject, timezoneOrOffset: string | number | null] | null[];
export declare function parseHTTPDate(s: string): [dateObj: ExtractedDateObject, timezoneOrOffset: string | number | null] | null[];
export declare function parseISOTimeOnly(s: string): [dateObj: ExtractedDateObject, timezoneOrOffset: string | number | null] | null[];
export declare function parseDateString(input: string): readonly [ExtractedDateObject, string | number | null];
export {};