code: func WithCustomResyncConfig(resyncConfig map[v1.Object]time.Duration) SharedInformerOption {
  	return func(factory *sharedInformerFactory) *sharedInformerFactory {
  		for k, v := range resyncConfig {
  			factory.customResync[reflect.TypeOf(k)] = v
  		}
  		return factory
  	}
  }
docs: // WithCustomResyncConfig sets a custom resync period for the specified informer types.