{ObjectOpts{Name: "c1test", VersionID: "vid", DeleteMarker: true, OpType: DeleteReplicationType}, cfgs[0], true},             // 6. permanent delete of version, matches DeleteReplication status
		{ObjectOpts{Name: "c1test", VersionID: "vid", DeleteMarker: true, SSEC: true, OpType: DeleteReplicationType}, cfgs[0], true}, // 7. permanent delete of version

const contextLogKey = contextKeyType("miniolog")

// KeyVal - appended to ReqInfo.Tags
type KeyVal struct {
	Key string
	Val string
}

// ObjectVersion object version key/versionId
type ObjectVersion struct {
	ObjectName string
	VersionID  string `json:"VersionId,omitempty"`
}

// ReqInfo stores the request info.
// Reading/writing directly to struct requires appropriate R/W lock.
type ReqInfo struct {

	}

	if cpSrcDstSame && srcInfo.metadataOnly {
		// Version ID is set for the destination and source == destination version ID.
		if dstOpts.VersionID != "" && srcOpts.VersionID == dstOpts.VersionID {
			return z.serverPools[poolIdx].CopyObject(ctx, srcBucket, srcObject, dstBucket, dstObject, srcInfo, srcOpts, dstOpts)
		}
		// Destination is not versioned and source version ID is empty
		// perform an in-place update.

		return
	}
	bts, err = msgp.ReadExactBytes(bts, (x.VersionID)[:])
	if err != nil {
		err = msgp.WrapError(err, "VersionID")
		return
	}
	x.ModTime, bts, err = msgp.ReadInt64Bytes(bts)
	if err != nil {
		err = msgp.WrapError(err, "ModTime")
		return
	}
	{
		var zb0002 uint8
		zb0002, bts, err = msgp.ReadUint8Bytes(bts)
		if err != nil {
			err = msgp.WrapError(err, "Type")
			return
		}

| versions        | msgp int                    | Number of versions following
| header_1        | msgp bin array              | Header of version 1
| metadata_1      | msgp bin array              | Metadata of version 1
| ...header_n     | msgp bin array              | Header of last version
| ...metadata_n   | msgp bin array              | Metadata of last version

Each header contains a mspg array (tuple) encoded object:

// format version and erasure coding information.
func (m *xlMetaV1Object) valid() bool {
	return isXLMetaFormatValid(m.Version, m.Format) &&
		isXLMetaErasureInfoValid(m.Erasure.DataBlocks, m.Erasure.ParityBlocks)
}

// Verifies if the backend format metadata is sane by validating
// the version string and format style.
func isXLMetaFormatValid(version, format string) bool {

			continue
		}
		if obj.ExistingObject && rule.ExistingObjectReplication.Status == Disabled {
			return false
		}
		if obj.OpType == DeleteReplicationType {
			switch {
			case obj.VersionID != "":
				// check MinIO extension for versioned deletes
				return rule.DeleteReplication.Status == Enabled
			default:
				return rule.DeleteMarkerReplication.Status == Enabled
			}
		} // regular object/metadata replication

	ETag         string            `json:"eTag,omitempty"`
	ContentType  string            `json:"contentType,omitempty"`
	UserMetadata map[string]string `json:"userMetadata,omitempty"`
	VersionID    string            `json:"versionId,omitempty"`
	Sequencer    string            `json:"sequencer"`
}

// Metadata represents event metadata.
type Metadata struct {
	SchemaVersion   string `json:"s3SchemaVersion"`

}

// VersionPurgeStatusType represents status of a versioned delete or permanent delete w.r.t bucket replication
type VersionPurgeStatusType string

const (
	// Pending - versioned delete replication is pending.
	Pending VersionPurgeStatusType = "PENDING"

	// Complete - versioned delete replication is now complete, erase version on disk.
	Complete VersionPurgeStatusType = "COMPLETE"

				OwnerIdentity: event.Identity{PrincipalID: args.ReqParams["principalId"]},
				ARN:           policy.ResourceARNPrefix + args.BucketName,
			},
			Object: event.Object{
				Key:       keyName,
				VersionID: args.Object.VersionID,
				Sequencer: uniqueID,
			},
		},
		Source: event.Source{
			Host:      args.Host,
			UserAgent: args.UserAgent,
		},
	}