return Math.abs((int) hash);
return Math.abs(hash);
        public int getBucketIndex(byte[] data, int index) {            long hash = 0;            for(int i = 0; i < VD_KEY_SIZE; i++) {                hash = hash * 127 + data[index + i];            }            hash = hash % myBuckets.length;            return Math.abs((int) hash);        }