declare const 
/**
 * Validate a Date object or date string.
 * @param {date/string} date Date to check.
 * @return {date} Validated date or undefined on failure.
 */
ensureDate: <T>(date: T) => Date | undefined, 
/**
 * Format a date as an ISO-date - YYYY-MM-DD.
 * @param {date/string} date Date to be ISO formatted.
 * @return {string} ISO formatted date.
 */
isoDate: <T>(date: T) => string, 
/**
 * Format a date with time as an ISO date with time - YYYY-MM-DD HH:mm:ss.
 * @param	 {date/string} date Date to be ISO formatted.
 * @return {string} ISO formatted date.
 */
isoDT: <T>(date: T) => string, 
/**
 * Check if date is in the past.
 * @param	 {date/string} date Date to check.
 * @return {boolean} Whether the date is in the past or not.
 */
pastDate: <T>(date: T) => boolean | undefined, 
/**
 * Get human readable string describing date's difference from now in the current locale language.
 * @param {date/string} date Date to check.
 * @param {string} locale Localized lang to return string in (undefined = browser)
 * @return {string}		Date representation string in the current locale language.
 */
timeago: <T>(date: T, locale?: string) => string, 
/**
 * Alias for isoDate(date), format a date as an ISO-date - YYYY-MM-DD.
 * @param	 {date/string} date Date to be formatted.
 * @return {string} ISO formatted date.
 */
renderDate: <T>(date: T) => string, pad: (number: number) => string | number, toLocalISOString: <T>(date: T) => string | null, parseDate: (str: string) => Date | undefined, inputDate: <T>(date: T) => string | undefined;
export { ensureDate, isoDate, isoDT, pad, pastDate, renderDate, toLocalISOString, timeago, parseDate, inputDate, };