func (c *ConfigWriter) PrintVersionSummary() error {
	// TODO
	return nil
}

// PrintPodRootCAFromDynamicSecretDump prints just pod's root ca from dynamic secret config dump to the ConfigWriter stdout
func (c *ConfigWriter) PrintPodRootCAFromDynamicSecretDump() (string, error) {
	// TODO
	return "", nil
}

func (c *ConfigWriter) tabwriter() *tabwriter.Writer {

		}
	}
}

func TestTargetDToARN(t *testing.T) {
	tid := TargetID{"1", "webhook"}
	testCases := []struct {
		tid         TargetID
		region      string
		expectedARN ARN
	}{
		{tid, "", ARN{TargetID: tid, region: ""}},
		{tid, "us-east-1", ARN{TargetID: tid, region: "us-east-1"}},
	}

	for i, testCase := range testCases {
		arn := testCase.tid.ToARN(testCase.region)

		if arn != testCase.expectedARN {

				if err != nil {
					return err
				}
				pod, err := kubeClient.Kube().CoreV1().Pods(podNs).Get(context.TODO(), podName, metav1.GetOptions{})
				if err != nil {
					return err
				}
				ns, err := kubeClient.Kube().CoreV1().Namespaces().Get(context.TODO(), podNs, metav1.GetOptions{})
				if err != nil {
					return err
				}
				podLabels = pod.GetLabels()
				nsLabels = ns.GetLabels()

	labelSelector := centralOpts.XdsPodLabel
	if labelSelector == "" {
		labelSelector = "app=istiod"
	}
	pods, err := kubeClient.GetIstioPods(context.TODO(), istioNamespace, metav1.ListOptions{
		LabelSelector: labelSelector,
		FieldSelector: kube.RunningStatus,
	})
	if err != nil {
		return nil, err
	}
	if len(pods) == 0 {

	MD5, err := hex.DecodeString(md5Hex)
	if err != nil {
		return nil, BadDigest{ // TODO(aead): Return an error that indicates that an invalid ETag has been specified
			ExpectedMD5:   md5Hex,
			CalculatedMD5: "",
		}
	}
	SHA256, err := hex.DecodeString(sha256Hex)
	if err != nil {
		return nil, SHA256Mismatch{ // TODO(aead): Return an error that indicates that an invalid Content-SHA256 has been specified

// deploymentExists returns true if the given deployment in the namespace exists.
func deploymentExists(cs kubernetes.Interface, namespace, name string) (bool, error) {
	d, err := cs.AppsV1().Deployments(namespace).Get(context.TODO(), name, metav1.GetOptions{})
	if err != nil {
		return false, err
	}
	return d != nil, nil

			idx--
			if idx >= len(r.csvRecord) || idx < 0 {
				// If field index > number of columns, return null
				return sql.FromNull(), nil
			}
			return sql.FromBytes([]byte(r.csvRecord[idx])), nil
		}
		// TODO: Return Missing?
		return nil, fmt.Errorf("column %v not found", name)
	}

	if index >= int64(len(r.csvRecord)) {
		// No value found for column 'name', hence return null
		// value
		return sql.FromNull(), nil
	}

			}

			got := tt.finished()
			if got != want {
				t.Errorf("#%d: want %v, got %v", i, want, got)
			}
		})
	}
}

func Test_metacache_worthKeeping(t *testing.T) {
	// TODO: Update...
	wantResults := []bool{0: true, 1: true, 2: true, 3: false, 4: false, 5: true, 6: true, 7: false, 8: false}

	for i, tt := range metaCacheTestset {
		t.Run(tt.id, func(t *testing.T) {
			var want bool

		return []string{}, "", err
	}
	if podName != "" {
		return []string{podName}, namespace, err
	}

	options := metav1.ListOptions{LabelSelector: selector}
	podList, err := client.Pods(namespace).List(context.TODO(), options)
	if err != nil {
		return []string{}, "", err
	}
	pods := []string{}
	for i := range podList.Items {
		pods = append(pods, podList.Items[i].Name)
	}

	return pods, namespace, nil
}

				}
				var envoyDump []byte
				if configDumpFile != "" {
					envoyDump, err = readConfigFile(configDumpFile)
				} else {
					path := "config_dump"
					envoyDump, err = kubeClient.EnvoyDo(context.TODO(), podName, ns, "GET", path)
				}
				if err != nil {
					return fmt.Errorf("could not contact sidecar: %w", err)
				}

				xdsRequest := discovery.DiscoveryRequest{