Imports
- k8s.io/apimachinery/pkg/runtime/schema
- k8s.io/apiserver/pkg/util/webhook
- k8s.io/client-go/kubernetes/scheme
- k8s.io/api/authentication/v1beta1
- k8s.io/apiserver/pkg/authentication/authenticator
- k8s.io/apiserver/pkg/authentication/user
- k8s.io/apimachinery/pkg/apimachinery/registered
- k8s.io/apimachinery/pkg/util/cache
- k8s.io/client-go/kubernetes/typed/authentication/v1beta1