checksumAlgo := erasureInfo.GetChecksumInfo(partNumber).Algorithm
			for i, disk := range latestDisks {
				if disk == OfflineDisk {
					continue
				}
				thisPartErrs := shuffleCheckParts(dataErrsByPart[partIndex], latestMeta.Erasure.Distribution)
				if thisPartErrs[i] != checkPartSuccess {
					continue
				}
				checksumInfo := copyPartsMetadata[i].Erasure.GetChecksumInfo(partNumber)

		}
	}

	var start, rangeLen int64
	totalObjectSize, err := objInfo.GetActualSize()
	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.

}

// ChecksumInfo - carries checksums of individual scattered parts per disk.
type ChecksumInfo struct {
	PartNumber int
	Algorithm  BitrotAlgorithm
	Hash       []byte
}

type checksumInfoJSON struct {
	Name      string `json:"name"`
	Algorithm string `json:"algorithm"`
	Hash      string `json:"hash,omitempty"`
}

		find ${WORK_DIR}/disk${i}/.minio.sys/multipart/ -type f -name "part.1" -delete
	done
	cat <<EOF >parts.json
{
    "Parts": [
        {
            "PartNumber": 1,
            "ETag": "5f363e0e58a95f06cbe9bbc662c5dfb6"
        },
        {
            "PartNumber": 2,
            "ETag": "5f363e0e58a95f06cbe9bbc662c5dfb6"
        }
    ]
}
EOF

}

// Returns the part file name which matches the partNumber and etag.
func getPartFile(entriesTrie *trie.Trie, partNumber int, etag string) (partFile string) {
	for _, match := range entriesTrie.PrefixMatch(fmt.Sprintf("%.5d.%s.", partNumber, etag)) {
		partFile = match
		break
	}
	return partFile
}

func partNumberToRangeSpec(oi ObjectInfo, partNumber int) *HTTPRangeSpec {
	if oi.Size == 0 || len(oi.Parts) == 0 {

			Algorithm:    ReedSolomon.String(),
			DataBlocks:   4,
			ParityBlocks: 2,
			BlockSize:    10000,
			Index:        1,
			Distribution: []int{1, 2, 3, 4, 5, 6, 7, 8},
			Checksums: []ChecksumInfo{{
				PartNumber: 1,
				Algorithm:  HighwayHash256S,
				Hash:       nil,
			}},
		},
		MarkDeleted:      false,
		NumVersions:      1,
		SuccessorModTime: time.Time{},
	}
	// Add a version with local content

	a := 0
	b := globalMinPartSize
	var parts []CompletePart
	for partNumber := 1; partNumber <= 2; partNumber++ {
		// initialize HTTP NewRecorder, this records any mutations to response writer inside the handler.
		rec := httptest.NewRecorder()
		cpPartURL := getCopyObjectPartURL("", bucketName, testObject, uploadID, fmt.Sprintf("%d", partNumber))

		// construct HTTP request for copy object.
		var req *http.Request

		if err1 != nil {
			t.Fatalf("Failed to upload a part - %v", err1)
		}
		uploadedParts = append(uploadedParts, CompletePart{
			PartNumber: pInfo.PartNumber,
			ETag:       pInfo.ETag,
		})
	}

	_, err = objLayer.CompleteMultipartUpload(ctx, bucket, object, res.UploadID, uploadedParts, ObjectOptions{})
	if err != nil {

			HandlerFunc(s3APIMiddleware(api.CopyObjectPartHandler)).
			Queries("partNumber", "{partNumber:.*}", "uploadId", "{uploadId:.*}")
		// PutObjectPart
		router.Methods(http.MethodPut).Path("/{object:.+}").
			HandlerFunc(s3APIMiddleware(api.PutObjectPartHandler, traceHdrsS3HFlag)).
			Queries("partNumber", "{partNumber:.*}", "uploadId", "{uploadId:.*}")
		// ListObjectParts

	Prefixes []string
}

// PartInfo - represents individual part metadata.
type PartInfo struct {
	// Part number that identifies the part. This is a positive integer between
	// 1 and 10,000.
	PartNumber int

	// Date and time at which the part was uploaded.
	LastModified time.Time

	// Entity tag returned when the part was initially uploaded.
	ETag string

	// Size in bytes of the part.
	Size int64