type ExcludedPrefix struct {
	Prefix string
}

// Versioning - Configuration for bucket versioning.
type Versioning struct {
	XMLNS   string   `xml:"xmlns,attr,omitempty"`
	XMLName xml.Name `xml:"VersioningConfiguration"`
	// MFADelete State    `xml:"MFADelete,omitempty"` // not supported yet.
	Status State `xml:"Status,omitempty"`
	// MinIO extension - allows selective, prefix-level versioning exclusion.

	enabledBucketVersioningConfig = []byte(`<VersioningConfiguration xmlns="http://s3.amazonaws.com/doc/2006-03-01/"><Status>Enabled</Status></VersioningConfiguration>`)
)

//go:generate msgp -file $GOFILE

// BucketMetadata contains bucket metadata.

	orgDisks := append([]StorageAPI{}, disks...)

	// Enable versioning.
	globalBucketMetadataSys.Update(ctx, bucket, bucketVersioningConfig, []byte(`<VersioningConfiguration><Status>Enabled</Status></VersioningConfiguration>`))

	_, err = objLayer.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader(data), int64(len(data)), "", ""), ObjectOptions{
		Versioned: true,
	})
	if err != nil {

			return false, err
		}
		bucketExists = true
	}

	if globalSiteReplicationSys.isEnabled() {
		configData := []byte(`<VersioningConfiguration><Status>Enabled</Status><ExcludedPrefixes><Prefix>speedtest/*</Prefix></ExcludedPrefixes></VersioningConfiguration>`)
		if _, err = globalBucketMetadataSys.Update(ctx, bucketName, bucketVersioningConfig, configData); err != nil {
			return false, err
		}
	}

	response, err := s.client.Do(request)
	c.Assert(err, nil)
	c.Assert(response.StatusCode, http.StatusOK)

	// enable versioning on the bucket.
	enableVersioningBody := []byte("<VersioningConfiguration><Status>Enabled</Status></VersioningConfiguration>")
	enableVersioningBucketRequest, err := newTestSignedRequest(http.MethodPut, getBucketVersioningConfigURL(s.endPoint, bucketName),