/**
 * ## 两个数组的交集
 *
 * @param a 数组 1️⃣
 * @param b 数组 2️⃣
 * @returns 返回两个数组的交集
 * @example
 * ```ts
 * import { intersection } from 'a-js-tools';
 *
 * const log = console.log;
 *
 * log(intersection([1, 2, 3, 4], [2, 3])); // [2, 3]
 * log(intersection([1, 3, 5, 7], [2, 3, 4])); // [3]
 * ```
 */
export declare function intersection<T>(a: T[], b: T[]): T[];