* SMB server addressed by the URL parameter. See {@link jcifs.smb1.smb1.SmbFile}
     * for a detailed description and examples of the smb URL syntax. If the
     * second argument is <code>true</code>, then bytes will be written to the
     * end of the file rather than the beginning.
     *
     * @param url An smb URL string representing the file to write to

       * columns in the first row, the columns in the second row, etc. If a column Comparator is
       * provided but a row Comparator isn't, cellSet() iterates across the rows in the first
       * column, the rows in the second column, etc.
       */
      Comparator<Cell<R, C, V>> comparator =
          (Cell<R, C, V> cell1, Cell<R, C, V> cell2) -> {

func (s *Singleton[T]) IsSet() bool {
	select {
	case <-s.set:
		return true
	default:
		return false
	}
}

// Set the value and unblock all Get requests.
// This may only be called once, a second call will panic.
func (s *Singleton[T]) Set(v *T) {
	s.v = v
	close(s.set)

    $ mvn package     # Build the package

#### 2. Start Fess Server

    $ unzip target/releases/fess-*.zip
    $ ./fess-*/bin/fess &

Wait for Fess to be ready (this may take up to 60 seconds):

    $ curl -s "http://localhost:8080/api/v1/health"

You should see a JSON response when Fess is ready.

#### 3. Clone Test Data

Required for SearchApiTests:

        InputStreamThread thread = new InputStreamThread(is, StandardCharsets.UTF_8, 100, callback);
        thread.start();

        assertTrue("Should process all lines within timeout", latch.await(3, TimeUnit.SECONDS));

        thread.join(1000);

        assertEquals("All lines should be processed", 5000, receivedLines.size());
        assertEquals("First line", "Line number 0", receivedLines.get(0));

    val executor =
      ThreadPoolExecutor(
        // corePoolSize:
        0,
        // maximumPoolSize:
        Int.MAX_VALUE,
        // keepAliveTime:
        60L,
        TimeUnit.SECONDS,
        SynchronousQueue(),
        threadFactory,
      )

    override fun nanoTime() = System.nanoTime()

    override fun coordinatorNotify(taskRunner: TaskRunner) {
      taskRunner.notify()

	for {
		h.mutex.Lock()
		itemsLen = len(h.currentStatus.Items)
		if itemsLen == maxUnconsumedHealResultItems {
			// wait for a second, or quit if an external
			// stop signal is received or the
			// unconsumedTimer fires.
			select {
			// Check after a second
			case <-time.After(time.Second):
				h.mutex.Unlock()
				continue

			case <-h.ctx.Done():
				h.mutex.Unlock()
				// discard result and return.

        FwAssistantDirector assistantDirector = createMockAssistantDirector();

        // First invocation
        curtainFinallyHook.hook(assistantDirector);

        // Second invocation - should also work without issues
        curtainFinallyHook.hook(assistantDirector);

        // Third invocation
        curtainFinallyHook.hook(assistantDirector);

        assertEquals(2, callbackResults.size());
        assertEquals("integration test", callbackResults.get(0));
        assertEquals("second line", callbackResults.get(1));

        String output = thread.getOutput();
        assertTrue(output.contains("integration test"));
        assertTrue(output.contains("second line"));
    }

    @Test
    public void test_defaultBufferSizeConstant() throws IOException {

       * columns in the first row, the columns in the second row, etc. If a column Comparator is
       * provided but a row Comparator isn't, cellSet() iterates across the rows in the first
       * column, the rows in the second column, etc.
       */
      Comparator<Cell<R, C, V>> comparator =
          (Cell<R, C, V> cell1, Cell<R, C, V> cell2) -> {