*
     * @return an {@link Optional} containing the error stream, or empty if not applicable
     */
    @Nonnull
    default Optional<OutputStream> stdErr() {
        return Optional.ofNullable(parserRequest().stdErr());
    }

    /**
     * Returns a list of core extensions from all sources, that were discovered and loaded. Each instance of

	if commitUnix, err = exec.Command(cmdName, cmdArgs...).Output(); err != nil {
		fmt.Fprintln(os.Stderr, "Error generating git commit-time: ", err)
		os.Exit(1)
	}

	t, err := time.Parse(time.RFC3339, strings.TrimSpace(string(commitUnix)))
	if err != nil {
		fmt.Fprintln(os.Stderr, "Error generating git commit-time: ", err)
		os.Exit(1)
	}

	return t.UTC()
}

func main() {

            ClassWorld world,
            @Nullable InputStream stdIn,
            @Nullable OutputStream stdOut,
            @Nullable OutputStream stdErr)
            throws IOException {
        return new MavenEncCling(world).run(args, stdIn, stdOut, stdErr, true);
    }

    public MavenEncCling() {
        super();
    }

    public MavenEncCling(ClassWorld classWorld) {
        super(classWorld);
    }

            ClassWorld world,
            @Nullable InputStream stdIn,
            @Nullable OutputStream stdOut,
            @Nullable OutputStream stdErr)
            throws IOException {
        return new MavenShellCling(world).run(args, stdIn, stdOut, stdErr, true);
    }

    public MavenShellCling() {
        super();
    }

    public MavenShellCling(ClassWorld classWorld) {
        super(classWorld);

		"booted",
		appdir + "/gotest",
	}
	xcrunArgs = append(xcrunArgs, args...)
	cmd := exec.Command("xcrun", xcrunArgs...)
	cmd.Stdout, cmd.Stderr = os.Stdout, os.Stderr
	err := cmd.Run()
	if err != nil {
		return fmt.Errorf("xcrun simctl launch booted %q: %v", bundleID, err)
	}

	return nil
}

func copyLocalDir(dst, src string) error {
	if err := os.Mkdir(dst, 0755); err != nil {
		return err
	}

			logf = tbb.Logf
		}
	} else {
		switch t.action.Load() {
		case errorMessage:
			logf = func(format string, args ...any) {
				fmt.Fprintf(os.Stderr, format+"\n", args...)
			}
		case fatalMessage:
			logf = func(format string, args ...any) {
				fmt.Fprintf(os.Stderr, format+"\n", args...)
			}
			defer os.Exit(1)
		default:
			logf = func(format string, args ...any) {

        MavenSimpleLogger stdout = (MavenSimpleLogger) context.loggerFactory.getLogger("stdout");
        MavenSimpleLogger stderr = (MavenSimpleLogger) context.loggerFactory.getLogger("stderr");
        stdout.setLogLevel(LocationAwareLogger.INFO_INT);
        stderr.setLogLevel(LocationAwareLogger.INFO_INT);
        PrintStream psOut = new LoggingOutputStream(s -> stdout.info("[stdout] " + s)).printStream();

		log.Fatalln(err)
	}

	tclnt, err := buildS3Client(targetEndpoint, targetAccessKey, targetSecretKey, insecure)
	if err != nil {
		log.Fatalln(err)
	}

	if debug {
		sclnt.TraceOn(os.Stderr)
		tclnt.TraceOn(os.Stderr)
	}

	sopts := minio.ListObjectsOptions{
		Recursive: true,
		Prefix:    sourcePrefix,
	}

	topts := minio.ListObjectsOptions{
		Recursive: true,
		Prefix:    targetPrefix,

func (w *Writer) Close() error {
	w.pw.CloseWithError(nil)

	if w.f != nil {
		if err := w.closeCurrentFile(); err != nil {
			return err
		}
	}

	return nil
}

var stdErrEnc = json.NewEncoder(os.Stderr)

func (w *Writer) listen() {
	for {
		var r io.Reader = w.pr
		if w.opts.MaximumFileSize > 0 {
			r = io.LimitReader(w.pr, w.opts.MaximumFileSize)
		}
		if _, err := io.Copy(w.f, r); err != nil {

				fmt.Fprintf(os.Stderr, "%v: error on self-test [d:%d,p:%d]: want %#v, got %#v\n", algo, conf[0], conf[1], a, b)
				ok = false
				continue
			}
			// Delete first shard and reconstruct...
			first := encoded[0]
			encoded[0] = nil
			failOnErr(e.DecodeDataBlocks(encoded))
			if a, b := first, encoded[0]; !bytes.Equal(a, b) {