ReplicationPendingCount uint64 `json:"objectsPendingReplicationCount"`
	ReplicationFailedCount  uint64 `json:"objectsFailedReplicationCount"`
	ReplicatedCount         uint64 `json:"objectsReplicatedCount"`
}

// BucketUsageInfo - bucket usage info provides
// - total size of the bucket
// - total objects in a bucket
// - object size histogram per bucket
type BucketUsageInfo struct {