getBucketRange
range = getBucketRange(i, len, base, constant);
long[] range = getBucketRange(i, bucketCount, base, constant);
long[] range = getBucketRange(i, bucketCount);
return getBucketRange(i, len, base, step);
return getBucketRange(i, len, 0, 2);
return getBucketRange(i, len, 0, encValue);