/**
 * Create an object consisting of keys created by applying predicate to the given array.
 *
 * @example
 * groupBy([1, 2, 3, 4, 5], (x) => x % 2) // => { 0: [2, 4], 1: [1, 3, 5] }
 */
export declare function groupBy<T, K extends string | number | symbol>(array: readonly T[], predicate: (arg: T) => K): Record<K, T[]>;
//# sourceMappingURL=groupBy.d.ts.map