// activity initiated from this cluster
	ReplicationStatus = "replication-status"
	// ReplicationTimestamp - the last time replication was initiated on this cluster for this object version
	ReplicationTimestamp = "replication-timestamp"
	// ReplicaStatus - this header is present if a replica was received by this cluster for this object version
	ReplicaStatus = "replica-status"

		srcInfo.UserDefined[ReservedMetadataPrefixLower+ReplicationStatus] = dsc.PendingStatus()
		srcInfo.UserDefined[ReservedMetadataPrefixLower+ReplicationTimestamp] = UTCNow().Format(time.RFC3339Nano)
	}
	// Store the preserved compression metadata.
	for k, v := range compressMetadata {
		srcInfo.UserDefined[k] = v
	}