import type { compareFn, mapFn } from './_types';
/**
 * Compares two arrays.
 * @param x an array
 * @param y another array
 * @param fc compare function (a, b)
 * @param fm map function (v, i, x)
 * @returns x<y: -1, x=y: 0, x>y: 1
 */
declare function compare<T, U = T>(x: T[], y: T[], fc?: compareFn<T | U>, fm?: mapFn<T, T | U>): number;
export default compare;
//# sourceMappingURL=compare.d.ts.map