code: func virtualMachineFromSearchIndex(ctx context.Context, client *govmomi.Client, uuid string) (object.Reference, error) {
  	log.Printf("[DEBUG] Using SearchIndex to look up UUID %q", uuid)
  	search := object.NewSearchIndex(client.Client)
  	result, err := search.FindByUuid(ctx, nil, uuid, true, structure.BoolPtr(false))
  	if err != nil {
  		return nil, err
  	}
  
  	if result == nil {
  		return nil, newUUIDNotFoundError(fmt.Sprintf("virtual machine with UUID %q not found", uuid))
  	}
  
  	return result, nil
  }
docs: // virtualMachineFromSearchIndex gets the virtual machine reference via the
  // SearchIndex MO and is the method used to fetch UUIDs on newer versions of
  // vSphere.