 -0; }  /**  * @param {!Array} arr  * @param {*} elem  */ function after_indexOfGreaterThanMinusOne(arr, elem) {   arr.includes(elem); }  /**  * @param {!Array} arr  * @param {*} elem  * @suppress {uselessCode}  */ function before_indexOfGreaterThanOrEqualsZero(arr, elem) {   arr.in