/**
 * Returns the sum of all the numbers in the array.
 *
 * @since 1.0.0
 *
 * @param {number[]} numbers - The array of numbers to sum.
 *
 * @returns {number} - The sum of all the numbers in the array.
 *
 * @example
 *
 * sum([1, 2, 3, 4, 5]);
 * // => 15
 *
 * sum([-1, -2, 0, 1]);
 * // => -2
 */
declare const sum: (numbers: number[]) => number;
export default sum;