/**
 * @name mode
 * @summary Returns the mode.
 *
 * @description Returns the highest occuring number/s in a given numbers.
 *
 * @example
 * // Normal usage
 * let result = mode(2, 1, 8, 3, 2, 7, 4, 2, 6, 8);
 * // => [2]
 *
 * // Using an array
 * let result = mode(...[2, 1, 8, 3, 2, 7, 4, 2, 6, 8]);
 * // => [2]
 *
 * @param {Array<number>} args given numbers.
 * @returns {Array<number>} the resulting mode.
 *
 * @function pure
 */
export default function mode(...args: number[]): number[];