Imports
- k8s.io/kubernetes/pkg/apis/authorization
- k8s.io/apiserver/pkg/authorization/authorizer
- k8s.io/kubernetes/pkg/registry/authorization/util
- k8s.io/kubernetes/pkg/apis/authorization/validation
- k8s.io/apimachinery/pkg/api/errors
- k8s.io/apimachinery/pkg/runtime
- k8s.io/apiserver/pkg/endpoints/request