ReplicaSize            uint64
	Objects                uint64
	ObjSizes               sizeHistogram
	Children               dataUsageHashMap
}

//msgp:tuple dataUsageEntryV4
type dataUsageEntryV4 struct {
	Children dataUsageHashMap
	// These fields do no include any children.
	Size             int64
	Objects          uint64
	ObjSizes         sizeHistogram
	ReplicationStats replicationStatsV1
}

				t.Error("got objects", e.Objects, "want", w.objs)
			}
			if e.Versions != uint64(w.objs) {
				t.Error("got versions", e.Versions, "want", w.objs)
			}
			if e.ObjSizes != w.oSizes {
				t.Error("got histogram", e.ObjSizes, "want", w.oSizes)
			}
		})
	}

	files = []usageTestFile{
		{
			name: "newfolder/afile",
			size: 4,
		},
		{
			name: "newfolder/anotherone",