}

	// If a user is switching to a type that doesn't need LoadBalancerClass AND they did not change
	// this field, it is safe to drop it.
	if canSetLoadBalancerClass(oldSvc) && !canSetLoadBalancerClass(newSvc) && sameLoadBalancerClass(oldSvc, newSvc) {
		newSvc.Spec.LoadBalancerClass = nil
	}

	// If a user is switching to a type that doesn't need ExternalTrafficPolicy
	// AND they did not change this field, it is safe to drop it.

func isTypeLoadBalancer(service *core.Service) bool {
	return service.Spec.Type == core.ServiceTypeLoadBalancer
}

// sameLoadBalancerClass check two services have the same loadBalancerClass or not
func sameLoadBalancerClass(oldService, service *core.Service) bool {
	if oldService.Spec.LoadBalancerClass == nil && service.Spec.LoadBalancerClass == nil {
		return true
	}