code: func NewDashAlertExtractor(dash *m.Dashboard, orgID int64, user *m.SignedInUser) *DashAlertExtractor {
  	return &DashAlertExtractor{
  		User:  user,
  		Dash:  dash,
  		OrgID: orgID,
  		log:   log.New("alerting.extractor"),
  	}
  }
docs: // NewDashAlertExtractor returns a new DashAlertExtractor