StartTime time.Time   `msg:"startTs"` // Time at which rebalance-start was issued
	EndTime   time.Time   `msg:"stopTs"`  // Time at which rebalance operation completed or rebalance-stop was called
	Status    rebalStatus `msg:"status"`  // Current state of rebalance operation. One of Started|Stopped|Completed|Failed.
}

// rebalanceMeta contains information pertaining to an ongoing rebalance operation.
type rebalanceMeta struct {

			s3LogIf(ctx, fmt.Errorf("Unable to restore transitioned bucket/object %s/%s: %w", bucket, object, err))
			return
		}

		// Notify object restore completed via a POST request.
		sendEvent(eventArgs{
			EventName:  event.ObjectRestoreCompleted,
			BucketName: bucket,
			Object:     objInfo,
			ReqParams:  extractReqParams(r),
			UserAgent:  r.UserAgent(),