import predicateType from '../helpers/predicateType';
/**
 * Creates an object composed of keys generated from the results of running each element of collection thru iteratee.
 *
 * @since 1.0.0
 *
 * @template T
 * @param {T[]} collection - The collection to iterate over.
 * @param {Function} [predicate = identity] The function invoked per iteration.
 * @returns {Object} - Returns the composed aggregate object.
 *
 * @example
 *
 * const users = [
 *   { 'id': '1', 'name': 'Alice' },
 *   { 'id': '2', 'name': 'Bob' },
 *   { 'id': '3', 'name': 'Alice' }
 * ];
 *
 * keyBy(users, 'id');
 * // => { '1': { 'id': '1', 'name': 'Alice' }, '2': { 'id': '2', 'name': 'Bob' }, '3': { 'id': '3', 'name': 'Alice' } }
 *
 * keyBy(users, (user) => user.name);
 * // => { 'Alice': { 'id': '3', 'name': 'Alice' }, 'Bob': { 'id': '2', 'name': 'Bob' } }
 */
declare const keyBy: <T>(collection: T[], predicate?: predicateType<T>) => Object;
export default keyBy;