AsyncFunction<? super I, ? extends O> function,
      Executor executor) {
    checkNotNull(executor);
    AsyncTransformFuture<I, O> output = new AsyncTransformFuture<>(input, function);
    input.addListener(output, rejectionPropagatingExecutor(executor, output));
    return output;
  }

  static <I extends @Nullable Object, O extends @Nullable Object> ListenableFuture<O> create(

	cmd.SetErr(&out)

	fErr := cmd.Execute()
	output := out.String()

	if c.expectedOutput != "" && c.expectedOutput != output {
		t.Fatalf("Unexpected output for 'istioctl %s'\n got: %q\nwant: %q", strings.Join(c.args, " "), output, c.expectedOutput)
	}

	if c.expectedString != "" && !strings.Contains(output, c.expectedString) {

			inPath := filepath.Join(testDataDir, "input", tt.desc+".yaml")
			outPath := filepath.Join(testDataDir, "output", tt.desc+".yaml")

			got, err := runProfileDump(inPath, tt.configPath, snapshotCharts, "")
			if err != nil {
				t.Fatal(err)
			}
			// installPackagePath may change, we will remove it for consistent output
			got = installPackagePathRegex.ReplaceAllString(got, "")

			if refreshGoldenFiles() {

   * (key) bits 'affects' a strictly smaller set of output bits. Funneling is bad because it can
   * result in more-than-ideal collisions for a non-uniformly distributed key space. In practice,
   * most key spaces are ANYTHING BUT uniformly distributed. A bit(i) in the input is said to
   * 'affect' a bit(j) in the output if two inputs, identical but for bit(i), will differ at output
   * bit(j) about half the time
   *

	cmd.SetErr(&out)

	fErr := cmd.Execute()
	output := out.String()

	if c.expectedOutput != "" && !strings.Contains(output, c.expectedOutput) {
		t.Fatalf("Unexpected output for 'istioctl %s'\n got: %q\nwant: %q", strings.Join(c.args, " "), output, c.expectedOutput)
	}

	if c.wantException {
		if fErr == nil {
			t.Fatalf("Wanted an exception for 'istioctl %s', didn't get one, output was %q",
				strings.Join(c.args, " "), output)

	out, err := cmd.Output()
	if err != nil {
		if ee, ok := err.(*exec.ExitError); ok && len(ee.Stderr) > 0 {
			return errorf("%v: %s", cmd, ee.Stderr)
		}
		return errorf("%v: %w", cmd, err)
	}

	parts := strings.SplitN(string(bytes.TrimSpace(out)), ":", 4)
	if len(parts) < 2 {
		return errorf("%v: missing ':' in output: %q", cmd, out)
	}
	importPath = parts[0]

        int loCount = loChars != null ? loChars.length : 1;
        char[] output = new char[hiCount + loCount];
        if (hiChars != null) {
          // TODO: Is this faster than System.arraycopy() for small arrays?
          for (int n = 0; n < hiChars.length; ++n) {
            output[n] = hiChars[n];
          }
        } else {
          output[0] = surrogateChars[0];
        }
        if (loChars != null) {

        requestBody.put(KEY_PROPERTY, keyProp);
        requestBody.put("output", "output");
        return requestBody;
    }

    @Override
    protected Map<String, Object> getUpdateMap() {
        final Map<String, Object> updateMap = new HashMap<>();
        updateMap.put("output", "new_output");
        return updateMap;
    }

    @Test
    void crudTest() {
        testCreate();

//     -       SealedKey := DAREv2_Enc(KeyEncKey, ObjectKey)
//     - enc_object_data := DAREv2_Enc(ObjectKey, object_data)
//     -        metadata <- IV
//     -        metadata <- SealedKey
//     Output: enc_object_data, metadata
//
//  2. Decrypt:
//     Input: ClientKey, bucket, object, metadata, enc_object_data
//     -          IV <- metadata
//     -   SealedKey <- metadata

	var opts clioptions.ControlPlaneOptions
	outputLogLevel := ""
	stackTraceLevel := ""

	// output format (yaml or short)
	outputFormat := "short"

	logCmd := &cobra.Command{
		Use:   "log [<pod-name>]|[-r|--revision] [--level <scope>:<level>][--stack-trace-level <scope>:<level>]|[--reset]|[--output|-o short|json|yaml]",
		Short: "Manage istiod logging.",
		Long:  "Retrieve or update logging levels of istiod components.",