/**
 * Calculates the mean of an array of numbers.
 *
 * @since 1.0.0
 *
 * @param {number[]} collection - The array of numbers to calculate the mean for.
 * @returns {number} - The mean value of the array.
 *
 * @example
 *
 * mean([1, 2, 3]);
 * // => 2
 *
 * mean([5, 5, 5, 5]);
 * // => 5
 */
declare const mean: (collection: number[]) => number;
export default mean;