if calls.Add(1) == 1 {
			// First invocation.
			wg1.Done()
		}
		v := <-c
		c <- v // pump; make available for any future calls

		time.Sleep(10 * time.Millisecond) // let more goroutines enter Do

		return v, nil
	}

	const n = 10
	wg1.Add(1)
	for i := 0; i < n; i++ {
		wg1.Add(1)
		wg2.Add(1)
		go func() {
			defer wg2.Done()
			wg1.Done()
			v, err, _ := g.Do("key", fn)

	// lock protects the terminal and the state in this object from
	// concurrent processing of a key press and a Write() call.
	lock sync.Mutex

	c      io.ReadWriter
	prompt []rune

	// line is the current line being entered.
	line []rune
	// pos is the logical position of the cursor in line
	pos int
	// echo is true if local echo is enabled
	echo bool
	// pasteActive is true iff there is a bracketed paste operation in
	// progress.

# Params:
#   $1: The URL of the Envoy tar.gz to be downloaded.
#   $2: The full path of the output binary.
#   $3: Non-versioned name to use
function download_envoy_if_necessary () {
  if [[ ! -f "$2" ]] ; then
    # Enter the output directory.
    mkdir -p "$(dirname "$2")"
    pushd "$(dirname "$2")"

    # Download and extract the binary to the output directory.
    echo "Downloading ${SIDECAR}: $1 to $2"

		}

		// Prompt for decryption key if no --key or --private-key are provided
		if len(privateKey) == 0 && !*stdin {
			reader := bufio.NewReader(os.Stdin)
			fmt.Print("Enter Decryption Key: ")

			text, _ := reader.ReadString('\n')
			// convert CRLF to LF
			*keyHex = strings.ReplaceAll(text, "\n", "")
			*keyHex = strings.TrimSpace(*keyHex)
		}
	}

	var inputs []string

            }
        }
        handle.stdinPipe.write((javaOption + TextUtil.platformLineSeparator).bytes)

        // Enter a Java version
        ConcurrentTestUtil.poll(60) {
            assert handle.standardOutput.contains("Enter target Java version (min: 7, default: 21)")
        }
        handle.stdinPipe.write(("17" + TextUtil.platformLineSeparator).bytes)

// for the Go execution tracer.
//
// # Tracing runtime activities
//
// The execution trace captures a wide range of execution events such as
// goroutine creation/blocking/unblocking, syscall enter/exit/block,
// GC-related events, changes of heap size, processor start/stop, etc.
// When CPU profiling is active, the execution tracer makes an effort to
// include those samples as well.

        }
    }

    @Override
    public SnapshotVisitResult accept(RelativePathTracker pathTracker, RelativePathTrackingFileSystemSnapshotHierarchyVisitor visitor) {
        pathTracker.enter(getName());
        try {
            SnapshotVisitResult result = visitor.visitEntry(this, pathTracker);
            switch (result) {
                case CONTINUE:

        public Collection<CachingProvider<?>> providers() {
            return provided.values();
        }
    }

    private final List<ScopeState> values = new CopyOnWriteArrayList<>();

    public void enter() {
        values.add(0, new ScopeState());
    }

    protected ScopeState getScopeState() {
        if (values.isEmpty()) {

	universeRune = Universe.Lookup("rune").Type()
	universeError = Universe.Lookup("error").Type()
	universeComparable = Universe.Lookup("comparable")
}

// Objects with names containing blanks are internal and not entered into
// a scope. Objects with exported names are inserted in the unsafe package
// scope; other objects are inserted in the universe scope.
func def(obj Object) {
	assert(obj.color() == black)
	name := obj.Name()

	universeRune = Universe.Lookup("rune").Type()
	universeError = Universe.Lookup("error").Type()
	universeComparable = Universe.Lookup("comparable")
}

// Objects with names containing blanks are internal and not entered into
// a scope. Objects with exported names are inserted in the unsafe package
// scope; other objects are inserted in the universe scope.
func def(obj Object) {
	assert(obj.color() == black)
	name := obj.Name()