code: func (s *PresenceService) GetReverseTunnel(name string, opts ...services.MarshalOption) (services.ReverseTunnel, error) {
  	item, err := s.Get(context.TODO(), backend.Key(reverseTunnelsPrefix, name))
  	if err != nil {
  		return nil, trace.Wrap(err)
  	}
  	return services.GetReverseTunnelMarshaler().UnmarshalReverseTunnel(item.Value,
  		services.AddOptions(opts, services.WithResourceID(item.ID), services.WithExpires(item.Expires))...)
  }
docs: // GetReverseTunnel returns reverse tunnel by name