inverseRules:
  # Allow Internal packages only in apiextensions-apiserver itself, discourage use elsewhere.
  - selectorRegexp: k8s[.]io/apiextensions-apiserver
    allowedPrefixes:
      - ''
  # Allow use from within e2e tests.
  - selectorRegexp: k8s[.]io/kubernetes/test
    allowedPrefixes:
      - k8s.io/kubernetes/test/e2e/apimachinery
  # Forbid use of this package in other k8s.io packages.
  - selectorRegexp: k8s[.]io
    forbiddenPrefixes:
      - ''