/**
 * Return the number of ways to choose `k` items from `n` items, without order.
 *
 * The loop alternates multiplication and division to keep intermediate values exact as long
 * as possible.
 *
 * @throws TypeError if `n` or `k` is not a non-negative integer, or if `k > n`.
 */
export declare function combinationsNumber(n: number, k: number): number;
export declare namespace combinationsNumber {
    var signature: string;
}
//# sourceMappingURL=combinations.d.ts.map