}
					keys = keys[1:]
				}
				batch[i].ETag = ETag.Format().String()
			}
		}
		objects = objects[N:]
	}
	return nil
}

// isMultipart returns true if the current object is
// uploaded by the user using multipart mechanism:
// initiate new multipart, upload part, complete upload
func (o *ObjectInfo) isMultipart() bool {
	_, encrypted := crypto.IsEncrypted(o.UserDefined)
	if encrypted {

	if rec.Code != http.StatusSeeOther {
		t.Errorf("%s: Expected the response status to be `%d`, but instead found `%d`", instanceType, http.StatusSeeOther, rec.Code)
	}

	// Get the uploaded object info
	info, err := obj.GetObjectInfo(context.Background(), bucketName, targetObj, opts)
	if err != nil {
		t.Error("Unexpected error: ", err)
	}

	v := redirectURL.Query()
	v.Add("bucket", info.Bucket)

		t.Fatalf("%s: <ERROR> %s", instanceType, err)
	}
	res, err := obj.NewMultipartUpload(context.Background(), "bucket", "key", opts)
	if err != nil {
		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++ {

		Bucket:   bucket,
		Object:   object,
		UploadID: uploadID,
	}
}

// ListObjectParts - lists all uploaded parts to an object in hashedSet.
func (z *erasureServerPools) ListObjectParts(ctx context.Context, bucket, object, uploadID string, partNumberMarker int, maxParts int, opts ObjectOptions) (ListPartsInfo, error) {
	if err := checkListPartsArgs(ctx, bucket, object, uploadID); err != nil {
		return ListPartsInfo{}, err
	}

	// 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)

=== ":material-language-kotlin: Kotlin"
    ```kotlin
      class UploadProgress {

        companion object {

	_, err = objLayer.PutObjectPart(ctx, "bucket1", "mpartObj1", res.UploadID, 1, mustGetPutObjReader(t, bytes.NewReader(fiveMBBytes), 5*humanize.MiByte, md5Hex, ""), opts)
	if err != nil {
		t.Fatal(err)
	}
	// PutObjectPart should succeed even if part already exists. ref: https://github.com/minio/minio/issues/1930

		return
	}

	if keyName, ok := formValues["Key"]; !ok {
		apiErr := errorCodes.ToAPIErr(ErrMalformedPOSTRequest)
		apiErr.Description = fmt.Sprintf("%s (%v)", apiErr.Description, errors.New("The name of the uploaded key is missing"))
		writeErrorResponse(ctx, w, apiErr, r.URL)
		return
	} else if fileName == "" && len(keyName) >= 1 {
		// if we can't get fileName. We use keyName[0] to fileName
		fileName = keyName[0]
	}

		{"path/to/my/testobject", nil},
		// TestXLStorage to use object is a directory now.
		{"object-as-dir", errIsNotRegular},
		// path segment uses previously uploaded object.
		{"myobject/testobject", errFileAccessDenied},
		// One path segment length is > 255 chars long.

}

// return URL for completing multipart upload.
// complete multipart upload request is sent after all parts are uploaded.
func getCompleteMultipartUploadURL(endPoint, bucketName, objectName, uploadID string) string {
	queryValue := url.Values{}
	queryValue.Set("uploadId", uploadID)
	return makeTestTargetURL(endPoint, bucketName, objectName, queryValue)
}

// return URL for listen bucket notification.