/**
 * Calculates the mode(s) of a list of numbers.
 * @param {...number[]} numbers - The numbers to calculate the mode of.
 * @returns {number[]} An array of the most frequent numbers (modes).
 * @example
 * mode(1, 2, 2, 3, 4); // [2]
*/
export declare function mode(...numbers: number[]): number[];