type simpleConfiguration struct {
	evaluators       []quota.Evaluator
	ignoredResources map[schema.GroupResource]struct{}
}

// NewConfiguration creates a quota configuration
func NewConfiguration(evaluators []quota.Evaluator, ignoredResources map[schema.GroupResource]struct{}) quota.Configuration {
	return &simpleConfiguration{
		evaluators:       evaluators,
		ignoredResources: ignoredResources,
	}
}

type simpleRegistry struct {
	lock sync.RWMutex
	// evaluators tracked by the registry
	evaluators map[schema.GroupResource]quota.Evaluator
}

// NewRegistry creates a simple registry with initial list of evaluators
func NewRegistry(evaluators []quota.Evaluator) quota.Registry {
	return &simpleRegistry{
		evaluators: evaluatorsByGroupResource(evaluators),
	}
}

func (r *simpleRegistry) Add(e quota.Evaluator) {

	"k8s.io/kubernetes/pkg/apis/authorization"
	"k8s.io/kubernetes/pkg/quota/v1/evaluator/core"
)

// NewQuotaConfigurationForAdmission returns a quota configuration for admission control.
func NewQuotaConfigurationForAdmission() quota.Configuration {
	evaluators := core.NewEvaluators(nil)
	return generic.NewConfiguration(evaluators, DefaultIgnoredResources())
}

}

// NewEvaluators returns the list of static evaluators that manage more than counts
func NewEvaluators(f quota.ListerForResourceFunc) []quota.Evaluator {
	// these evaluators have special logic
	result := []quota.Evaluator{
		NewPodEvaluator(f, clock.RealClock{}),
		NewServiceEvaluator(f),
		NewPersistentVolumeClaimEvaluator(f),
	}
	// these evaluators require an alias for backwards compatibility

	IgnoredResources() map[schema.GroupResource]struct{}
	// Evaluators for quota evaluation.
	Evaluators() []Evaluator
}

// Registry maintains a list of evaluators
type Registry interface {
	// Add to registry
	Add(e Evaluator)
	// Remove from registry
	Remove(e Evaluator)
	// Get by group resource
	Get(gr schema.GroupResource) Evaluator
	// List from registry
	List() []Evaluator
}

	hardResources := ResourceNames(hardLimits)
	potentialResources := []corev1.ResourceName{}
	evaluators := registry.List()
	for _, evaluator := range evaluators {
		potentialResources = append(potentialResources, evaluator.MatchingResources(hardResources)...)
	}
	// NOTE: the intersection just removes duplicates since the evaluator match intersects with hard
	matchedResources := Intersection(hardResources, potentialResources)

type doNothingQuotaConfiguration struct{}

func (doNothingQuotaConfiguration) IgnoredResources() map[schema.GroupResource]struct{} { return nil }

func (doNothingQuotaConfiguration) Evaluators() []quota.Evaluator { return nil }

type WantsQuotaConfigurationAdmissionPlugin struct {
	doNothingAdmission
	doNothingPluginInitialization
	config quota.Configuration
}

}

// An evaluator represents a compiled CEL expression that can be evaluated a
// given a set of inputs used by the generic PolicyHook for Mutating and
// ValidatingAdmissionPolicy.
// Mutating and Validating may have different forms of evaluators
type Evaluator interface {

func (a *QuotaAdmission) SetQuotaConfiguration(c quota.Configuration) {
	a.quotaConfiguration = c
	if a.stopCh == nil {
		a.initializationErr = stopChUnconfiguredErr
		return
	}
	a.evaluator = NewQuotaEvaluator(a.quotaAccessor, a.quotaConfiguration.IgnoredResources(), generic.NewRegistry(a.quotaConfiguration.Evaluators()), nil, a.config, a.numEvaluators, a.stopCh)
}

			continue
		}

		// check if we need to create an evaluator for this resource (if none previously registered)
		evaluator := qm.registry.Get(resource.GroupResource())
		if evaluator == nil {
			listerFunc := generic.ListerFuncForResourceFunc(qm.informerFactory.ForResource)
			listResourceFunc := generic.ListResourceUsingListerFunc(listerFunc, resource)