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function wiggleSort(nums: number[]): void {    const bucket = Array<number>();
    for (const num of nums) {        bucket[num] = (bucket[num] ?? 0) + 1;    }    let j = bucket.length - 1;
    for (let i = 1; i < nums.length; i += 2) {        while ((bucket[j] ?? 0) === 0) {            j--;        }
        nums[i] = j;        bucket[j]--;    }    for (let i = 0; i < nums.length; i += 2) {        while ((bucket[j] ?? 0) === 0) {            j--;        }
        nums[i] = j;        bucket[j]--;    }}export default wiggleSort;