rules/alerting.go
func (r *AlertingRule) Health() RuleHealth {
	r.mtx.Lock()
	defer r.mtx.Unlock()
	return r.health
}
func (r *AlertingRule) Health() RuleHealth {
	r.mtx.Lock()
	defer r.mtx.Unlock()
	return r.health
}
// Health returns the current health of the alerting rule.