{"bytes=2-2", 2, 2},
		{"bytes=0000-0006", 0, 6},
	}
	objectSize := int64(10)

	for _, successCase := range successCases {
		rs, err := parseCopyPartRangeSpec(successCase.rangeString)
		if err != nil {
			t.Fatalf("expected: <nil>, got: %s", err)
		}

		start, length, err1 := rs.GetOffsetLength(objectSize)
		if err1 != nil {
			t.Fatalf("expected: <nil>, got: %s", err1)
		}

		if start != successCase.offsetBegin {

			if missing == 0 {
				break
			}
			fmt.Println("* Setup: Data shards:", k, "- Parity blocks:", m.shards-k)
			rs, err := reedsolomon.New(k, m.shards-k)
			if err != nil {
				return err
			}
			split, err := rs.Split(m.mapped)
			if err != nil {
				return err
			}
			splitFilled, err := rs.Split(m.filled)
			if err != nil {
				return err
			}
			ok := len(splitFilled)

	if err != nil {
		return err
	}

	if rs == nil && opts.PartNumber > 0 {
		rs = partNumberToRangeSpec(objInfo, opts.PartNumber)
	}

	// For providing ranged content
	start, rangeLen, err = rs.GetOffsetLength(totalObjectSize)
	if err != nil {
		return err
	}

	// Set content length.
	w.Header().Set(xhttp.ContentLength, strconv.FormatInt(rangeLen, 10))
	if rs != nil {

		}
	}

	rs.Status = ResyncCanceled
	rs.LastUpdate = UTCNow()
	if err := saveSiteResyncMetadata(ctx, rs, objAPI); err != nil {
		return res, err
	}
	select {
	case globalReplicationPool.Get().resyncer.resyncCancelCh <- struct{}{}:
	case <-ctx.Done():
	}

	globalSiteResyncMetrics.updateState(rs)

	res.Status = rs.Status.String()
	return res, nil
}

	case overwrite:
		return n, ErrWriteTooLong
	default:
		return n, nil
	}
}

func (sw *sparseFileWriter) ReadFrom(r io.Reader) (n int64, err error) {
	rs, ok := r.(io.ReadSeeker)
	if ok {
		if _, err := rs.Seek(0, io.SeekCurrent); err != nil {
			ok = false // Not all io.Seeker can really seek
		}
	}
	if !ok {
		return io.Copy(struct{ io.Writer }{sw}, r)
	}

		return
	}
	if rs := r.Header.Get(xhttp.AmzBucketReplicationStatus); rs != "" {
		srcInfo.UserDefined[ReservedMetadataPrefixLower+ReplicaStatus] = replication.Replica.String()
		srcInfo.UserDefined[ReservedMetadataPrefixLower+ReplicaTimestamp] = UTCNow().Format(time.RFC3339Nano)
		srcInfo.UserDefined[xhttp.AmzBucketReplicationStatus] = rs
	}

	op := replication.ObjectReplicationType

func newresyncer() *replicationResyncer {
	rs := replicationResyncer{
		statusMap:      make(map[string]BucketReplicationResyncStatus),
		workerSize:     resyncWorkerCnt,
		resyncCancelCh: make(chan struct{}, resyncWorkerCnt),
		workerCh:       make(chan struct{}, resyncWorkerCnt),
	}
	for i := 0; i < rs.workerSize; i++ {
		rs.workerCh <- struct{}{}
	}
	return &rs
}

// not all run!).
func NewGetObjectReader(rs *HTTPRangeSpec, oi ObjectInfo, opts ObjectOptions, h http.Header) (
	fn ObjReaderFn, off, length int64, err error,
) {
	if opts.CheckPrecondFn != nil && opts.CheckPrecondFn(oi) {
		return nil, 0, 0, PreConditionFailed{}
	}

	if rs == nil && opts.PartNumber > 0 {
		rs = partNumberToRangeSpec(oi, opts.PartNumber)
	}

	github.com/prometheus/procfs v0.16.1
	github.com/puzpuzpuz/xsync/v3 v3.5.1
	github.com/rabbitmq/amqp091-go v1.10.0
	github.com/rcrowley/go-metrics v0.0.0-20250401214520-65e299d6c5c9
	github.com/rs/cors v1.11.1
	github.com/secure-io/sio-go v0.3.1
	github.com/shirou/gopsutil/v3 v3.24.5
	github.com/tinylib/msgp v1.2.5
	github.com/valyala/bytebufferpool v1.0.0
	github.com/xdg/scram v1.0.5
	github.com/zeebo/xxh3 v1.0.2

}

func (rs *rebalanceStats) update(bucket string, fi FileInfo) {
	if fi.IsLatest {
		rs.NumObjects++
	}

	rs.NumVersions++
	onDiskSz := int64(0)
	if !fi.Deleted {
		onDiskSz = fi.Size * int64(fi.Erasure.DataBlocks+fi.Erasure.ParityBlocks) / int64(fi.Erasure.DataBlocks)
	}
	rs.Bytes += uint64(onDiskSz)
	rs.Bucket = bucket
	rs.Object = fi.Name
}

type rstats []*rebalanceStats