code: func (o *DeploymentControllerOptions) ApplyTo(cfg *deploymentconfig.DeploymentControllerConfiguration) error {
  	if o == nil {
  		return nil
  	}
  
  	cfg.ConcurrentDeploymentSyncs = o.ConcurrentDeploymentSyncs
  	cfg.DeploymentControllerSyncPeriod = o.DeploymentControllerSyncPeriod
  
  	return nil
  }
docs: // ApplyTo fills up DeploymentController config with options.