/**
 * Adds zeroes to the left of a number until its final length is `targetLength`.
 *
 * If `targetLength` is 0, returns an empty string. If `targetLength` is smaller
 * than `num`'s existing length, returns `num` unchanged.
 *
 * @param num The number to pad
 * @param targetLength The final desired number of digits
 */
declare const padWithLeadingZeroes: (num: string | number, targetLength: number) => string;
export default padWithLeadingZeroes;