a.hookSource = a.sourceFactory(f)
	a.SetReadyFunc(func() bool {
		return namespaceInformer.Informer().HasSynced() && a.hookSource.HasSynced()
	})
}

func (a *Webhook) SetAuthorizer(authorizer authorizer.Authorizer) {
	a.authorizer = authorizer
}

// ValidateInitialization implements the InitializationValidator interface.
func (a *Webhook) ValidateInitialization() error {
	if a.hookSource == nil {

		},
		attributesFunc: func(u user.Info, req *http.Request) authorizer.Attributes {
			return &authorizer.AttributesRecord{User: u}
		},
		authorizeFunc: func(a authorizer.Attributes) (decision authorizer.Decision, reason string, err error) {
			return authorizer.DecisionAllow, "", nil
		},
	}
	server := NewServer(
		fw.fakeKubelet,

	ctx context.Context,
	matchResource schema.GroupVersionResource,
	versionedAttr *admission.VersionedAttributes,
	versionedParams runtime.Object,
	namespace *v1.Namespace,
	runtimeCELCostBudget int64,
	authz authorizer.Authorizer) validating.ValidateResult

type fakeCompiler struct {
	ValidateFuncs map[types.NamespacedName]validating.Validator

	lock        sync.Mutex
	NumCompiles map[types.NamespacedName]int
}

	}

	return
}

// BuildAuthorizer constructs the authorizer. If authorization is not set in s, it returns nil, nil, false, nil
func BuildAuthorizer(ctx context.Context, s options.CompletedOptions, egressSelector *egressselector.EgressSelector, apiserverID string, versionedInformers clientgoinformers.SharedInformerFactory) (authorizer.Authorizer, authorizer.RuleResolver, bool, error) {

	"k8s.io/apiserver/pkg/authorization/authorizer"
	"k8s.io/apiserver/pkg/endpoints/handlers/responsewriters"
	"k8s.io/apiserver/pkg/endpoints/request"
	"k8s.io/apiserver/pkg/server/httplog"
)

// WithImpersonation is a filter that will inspect and check requests that attempt to change the user.Info for their requests
func WithImpersonation(handler http.Handler, a authorizer.Authorizer, s runtime.NegotiatedSerializer) http.Handler {

	compbasemetrics "k8s.io/component-base/metrics"
	"k8s.io/component-base/metrics/legacyregistry"
)

// AuthorizerMetrics specifies a set of methods that are used to register various metrics for the webhook authorizer
type AuthorizerMetrics interface {
	// Request total and latency metrics
	RequestMetrics
	// Webhook count, latency, and fail open metrics
	WebhookMetrics
	// match condition metrics
	cel.MatcherMetrics
}

		authorizationrest.RESTStorageProvider{Authorizer: c.Generic.Authorization.Authorizer, RuleResolver: c.Generic.RuleResolver},
		certificatesrest.RESTStorageProvider{},
		coordinationrest.RESTStorageProvider{},
		rbacrest.RESTStorageProvider{Authorizer: c.Generic.Authorization.Authorizer},
		svmrest.RESTStorageProvider{},

  // encountered when an authorizer, such as an external authorizer, doesn't support rules evaluation.
  optional bool incomplete = 3;

  // EvaluationError can appear in combination with Rules. It indicates an error occurred during
  // rule evaluation, such as an authorizer that doesn't support rule evaluation, and that
  // ResourceRules and/or NonResourceRules may be incomplete.

  // encountered when an authorizer, such as an external authorizer, doesn't support rules evaluation.
  optional bool incomplete = 3;

  // EvaluationError can appear in combination with Rules. It indicates an error occurred during
  // rule evaluation, such as an authorizer that doesn't support rule evaluation, and that
  // ResourceRules and/or NonResourceRules may be incomplete.

	SetExternalKubeInformerFactory(informers.SharedInformerFactory)
	admission.InitializationValidator
}

// WantsAuthorizer defines a function which sets Authorizer for admission plugins that need it.
type WantsAuthorizer interface {
	SetAuthorizer(authorizer.Authorizer)
	admission.InitializationValidator
}

// WantsQuotaConfiguration defines a function which sets quota configuration for admission plugins that need it.