{"BETWEEN_128_MB_AND_512_MB", humanize.MiByte * 128, humanize.MiByte*512 - 1},
	{"GREATER_THAN_512_MB", humanize.MiByte * 512, math.MaxInt64},
}

// ObjectsVersionCountIntervals is the list of all intervals
// of object version count to be included in objects histogram.
var ObjectsVersionCountIntervals = [dataUsageVersionLen]objectHistogramInterval{
	{"UNVERSIONED", 0, 0},
	{"SINGLE_VERSION", 1, 1},
	{"BETWEEN_2_AND_10", 2, 9},

}

// add a version count to the histogram.
func (h *versionsHistogram) add(versions uint64) {
	// Fetch the histogram interval corresponding
	// to the passed object size.
	for i, interval := range ObjectsVersionCountIntervals[:] {
		if versions >= uint64(interval.start) && versions <= uint64(interval.end) {
			h[i]++
			break
		}
	}
}

// toMap returns the map to a map[string]uint64.