Transition          TransitionOptions
	Expiration          ExpirationOptions
	LifecycleAuditEvent lcAuditEvent

	WantChecksum *hash.Checksum // x-amz-checksum-XXX checksum sent to PutObject/ CompleteMultipartUpload.

	WantServerSideChecksumType hash.ChecksumType // if set, we compute a server-side checksum of this type

	NoDecryption                        bool      // indicates if the stream must be decrypted.

)

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
		}, index)
	}

	return metadataArray, g.Wait()
}

// shuffleDisksAndPartsMetadataByIndex this function should be always used by GetObjectNInfo()
// and CompleteMultipartUpload code path, it is not meant to be used with PutObject,
// NewMultipartUpload metadata shuffling.

		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

		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.

				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
	}

		// 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
	}