/**
 * Convert a timestring to a human readable string (e.g. 'two minutes ago').
 *
 * @param value - The date timestring.
 *
 * @returns A formatted date.
 */
export declare function humanTime(value: string): string;
/**
 * Convert a timestring to a date format.
 *
 * @param value - The date timestring.
 *
 * @param format - The format string.
 *
 * @returns A formatted date.
 */
export declare function dateTime(value: string, format?: string): string;