code: func (o *HPAControllerOptions) ApplyTo(cfg *poautosclerconfig.HPAControllerConfiguration) error {
  	if o == nil {
  		return nil
  	}
  
  	cfg.HorizontalPodAutoscalerSyncPeriod = o.HorizontalPodAutoscalerSyncPeriod
  	cfg.HorizontalPodAutoscalerDownscaleStabilizationWindow = o.HorizontalPodAutoscalerDownscaleStabilizationWindow
  	cfg.HorizontalPodAutoscalerTolerance = o.HorizontalPodAutoscalerTolerance
  	cfg.HorizontalPodAutoscalerUseRESTClients = o.HorizontalPodAutoscalerUseRESTClients
  	cfg.HorizontalPodAutoscalerCPUInitializationPeriod = o.HorizontalPodAutoscalerCPUInitializationPeriod
  	cfg.HorizontalPodAutoscalerInitialReadinessDelay = o.HorizontalPodAutoscalerInitialReadinessDelay
  
  	return nil
  }
docs: // ApplyTo fills up HPAController config with options.