declare type DateTimeFormat = Intl.DateTimeFormatOptions;
/**
 * Date formatter
 * @param date The date object or date string
 * @param format The output format
 * @param locale The locale. Default is `sv-SE`
 * @returns The formattted date or the input if it fails to parse it
 */
export declare function formatDate(date: string | Date, format?: DateTimeFormat, locale?: string): string;
export {};