import predicateType from '../helpers/predicateType';
/**
 * Returns the sum of all the values obtained by applying the iteratee function to each element in the array.
 *
 * @since 1.0.0
 *
 * @param {T[]} numbers - The array of numbers to sum.
 * @param {Function} iteratee - The function to apply to each element to get its value for summing.
 *
 * @returns {number} - The sum of all the values obtained by applying the iteratee function to each element in the array.
 *
 * @example
 *
 * sumBy([1, 2, 3, 4, 5], (num) => num);
 * // => 15
 *
 * sumBy([{ val: 1 }, { val: 2 }, { val: 0 }], (obj) => obj.val);
 * // => 3
 */
declare const sumBy: <T>(numbers: T[], iteratee: predicateType<T>) => number;
export default sumBy;