// It is ok to not have them, but they must be at least v1beta1 if they do.
func checkGatewayAPIs(cli kube.CLIClient) (diag.Messages, error) {
	msgs := diag.Messages{}
	res, err := cli.Ext().ApiextensionsV1().CustomResourceDefinitions().List(context.Background(), metav1.ListOptions{})
	if err != nil {
		return nil, err
	}

	betaKinds := sets.New(gvk.KubernetesGateway.Kind, gvk.GatewayClass.Kind, gvk.HTTPRoute.Kind, gvk.ReferenceGrant.Kind)