"istio.io/istio/pkg/kube/kclient"
	"istio.io/istio/pkg/log"
)

// InsertDataToConfigMap inserts a data to a configmap in a namespace.
// client: the k8s client interface.
// lister: the configmap lister.
// meta: the metadata of configmap.
// caBundle: ca cert data bytes.
func InsertDataToConfigMap(client kclient.Client[*v1.ConfigMap], meta metav1.ObjectMeta, caBundle []byte) error {

		ns = o.Name
	}

	meta := metav1.ObjectMeta{
		Name:      CACertNamespaceConfigMap,
		Namespace: ns,
		Labels:    configMapLabel,
	}
	return k8s.InsertDataToConfigMap(nc.configmaps, meta, nc.caBundleWatcher.GetCABundle())
}

// On namespace change, update the config map.
// If terminating, this will be skipped
func (nc *NamespaceController) namespaceChange(ns *v1.Namespace) {

			configmaps := kclient.New[*v1.ConfigMap](kc)
			if tc.clientMod != nil {
				tc.clientMod(fake)
			}
			kc.RunAndWait(test.NewStop(t))
			fake.ClearActions()
			err := InsertDataToConfigMap(configmaps, tc.meta, tc.caBundle)
			if err != nil && err.Error() != tc.expectedErr {
				t.Errorf("actual error (%s) different from expected error (%s).", err.Error(), tc.expectedErr)
			}
			if err == nil {