t.Fatalf("%s: <ERROR> %s", instanceType, err)
	}
	uploadID := res.UploadID

	// Create a byte array of 5MiB.
	data := bytes.Repeat([]byte("0123456789abcdef"), 5*humanize.MiByte/16)
	completedParts := CompleteMultipartUpload{}
	for i := 1; i <= 10; i++ {
		expectedETaghex := getMD5Hash(data)

		var calcPartInfo PartInfo

)

func TestGetHistogramMetrics_BucketCount(t *testing.T) {
	histBuckets := []float64{0.05, 0.1, 0.25, 0.5, 0.75}
	labels := []string{"GetObject", "PutObject", "CopyObject", "CompleteMultipartUpload"}
	ttfbHist := prometheus.NewHistogramVec(
		prometheus.HistogramOpts{
			Name:    "s3_ttfb_seconds",
			Help:    "Time taken by requests served by current MinIO server instance",
			Buckets: histBuckets,
		},

		return err
	}
	return InvalidUploadID{
		Bucket:   bucket,
		Object:   object,
		UploadID: uploadID,
	}
}

// CompleteMultipartUpload - completes a pending multipart transaction, on hashedSet based on object name.
func (z *erasureServerPools) CompleteMultipartUpload(ctx context.Context, bucket, object, uploadID string, uploadedParts []CompletePart, opts ObjectOptions) (objInfo ObjectInfo, err error) {

	var completeBytes []byte
	// Complete multipart upload parts.
	completeUploads := &CompleteMultipartUpload{
		Parts: parts,
	}
	completeBytes, err = xml.Marshal(completeUploads)
	if err != nil {
		t.Fatalf("Error XML encoding of parts: <ERROR> %s.", err)
	}
	// Indicating that all parts are uploaded and initiating CompleteMultipartUpload.

		// ListObjectParts
		router.Methods(http.MethodGet).Path("/{object:.+}").
			HandlerFunc(s3APIMiddleware(api.ListObjectPartsHandler)).
			Queries("uploadId", "{uploadId:.*}")
		// CompleteMultipartUpload
		router.Methods(http.MethodPost).Path("/{object:.+}").
			HandlerFunc(s3APIMiddleware(api.CompleteMultipartUploadHandler)).
			Queries("uploadId", "{uploadId:.*}")
		// NewMultipartUpload

	s = 1 + 5 + msgp.StringPrefixSize + len(z.Name) + 8 + msgp.TimeSize + 8 + msgp.TimeSize + 11 + msgp.BoolSize + 14 + msgp.BoolSize
	return
}

// MarshalMsg implements msgp.Marshaler
func (z *CompleteMultipartUpload) MarshalMsg(b []byte) (o []byte, err error) {
	o = msgp.Require(b, z.Msgsize())
	// map header, size 1
	// string "Parts"
	o = append(o, 0x81, 0xa5, 0x50, 0x61, 0x72, 0x74, 0x73)

				ChecksumSHA1:   pi.ChecksumSHA1,
			}
		}
		_, err = z.CompleteMultipartUpload(ctx, bucket, objInfo.Name, res.UploadID, parts, ObjectOptions{
			SrcPoolIdx:   idx,
			DataMovement: true,
			MTime:        objInfo.ModTime,
			NoAuditLog:   true,
		})
		if err != nil {
			err = fmt.Errorf("decommissionObject: CompleteMultipartUpload() %w", err)
		}
		return err
	}

				ETag:       pi.ETag,
				PartNumber: pi.PartNumber,
			}
		}
		_, err = z.CompleteMultipartUpload(ctx, bucket, oi.Name, res.UploadID, parts, ObjectOptions{
			DataMovement: true,
			MTime:        oi.ModTime,
			NoAuditLog:   true,
		})
		if err != nil {
			err = fmt.Errorf("rebalanceObject: CompleteMultipartUpload() %w", err)
		}
		return err
	}

		t.Fatalf("%s : %s", instanceType, err.Error())
	}

	// Complete multipart.
	parts := []CompletePart{
		{ETag: etag1, PartNumber: 1},
		{ETag: etag2, PartNumber: 2},
	}
	_, err = obj.CompleteMultipartUpload(context.Background(), bucket, object, uploadID, parts, ObjectOptions{})
	if err != nil {
		// Failed to complete multipart upload, abort.
		t.Fatalf("%s : %s", instanceType, err.Error())
	}

	// The only aim is to generate an HTTP request in a way that the relevant/registered end point is evoked/called.
	// Indicating that all parts are uploaded and initiating completeMultipartUpload.
	nilBucket := "dummy-bucket"
	nilObject := ""

	nilReq, err := newTestSignedRequestV4(http.MethodPost, getDeleteMultipleObjectsURL("", nilBucket), 0, nil, "", "", nil)
	if err != nil {