/**
 * Constructs an array containing the difference between the given arrays
 *
 * @param array1 The source array
 * @param array2 The comparison array
 * @returns An array containg the items that exist in either array1 but not array2 and vise versa
 */
declare function arrayDifference<T>(array1: T[], array2: T[], by?: (first: T, second: T) => boolean): T[];
export default arrayDifference;