volatile @Nullable Waiter waitersField;

  /** Non-volatile write of the thread to the {@link Waiter#thread} field. */
  private static void putThread(Waiter waiter, Thread newValue) {
    ATOMIC_HELPER.putThread(waiter, newValue);
  }

  /** Non-volatile write of the waiter to the {@link Waiter#next} field. */
  private static void putNext(Waiter waiter, @Nullable Waiter newValue) {

  volatile @Nullable Waiter waitersField;

  /** Non-volatile write of the thread to the {@link Waiter#thread} field. */
  private static void putThread(Waiter waiter, Thread newValue) {
    ATOMIC_HELPER.putThread(waiter, newValue);
  }

  /** Non-volatile write of the waiter to the {@link Waiter#next} field. */
  private static void putNext(Waiter waiter, @Nullable Waiter newValue) {

    // Check that we wait long enough anyway (presumably as long as MAX_VALUE nanos):
    TimedWaiterThread waiter = new TimedWaiterThread(future, Long.MAX_VALUE, SECONDS);
    waiter.start();
    waiter.awaitWaiting();

    future.set(1);
    waiter.join();
  }

  @J2ktIncompatible // TODO(b/324550390): Enable
  public void testSetNull() throws Exception {
    future.set(null);

        // Execute
        corsHandlerFactory.add(originWithSlash, handlerWithSlash);
        corsHandlerFactory.add(originWithoutSlash, handlerWithoutSlash);

        // Verify - trailing slash matters
        assertEquals(handlerWithSlash, corsHandlerFactory.get(originWithSlash));
        assertEquals(handlerWithoutSlash, corsHandlerFactory.get(originWithoutSlash));
    }

    public void test_constructor() {

    private void writeTestFile(String content) throws IOException {
        Writer writer = null;
        try {
            writer = new OutputStreamWriter(new FileOutputStream(testFile), Constants.UTF_8);
            writer.write(content);
            writer.flush();
        } finally {
            CloseableUtil.closeQuietly(writer);
        }
    }

    // Helper method to assert arrays are equal (handles sorting)

                writeFessConfig(zos, diagnosticId);
                writeFesenCat(zos, diagnosticId);
                writeFesenJson(zos, diagnosticId);
            }
        });
    }

    /**
     * Writes OpenSearch JSON API responses to the ZIP output stream.
     *
     * @param zos the ZIP output stream to write to
     * @param id the diagnostic ID for organizing files in the ZIP
     */

        }
    }

    /**
     * Exports elevate words to a CSV file.
     * CSV format: SuggestWord, Reading, Permissions, Labels, Boost
     *
     * @param writer the Writer to output CSV data to
     */
    public void exportCsv(final Writer writer) {
        final PermissionHelper permissionHelper = ComponentUtil.getPermissionHelper();
        final CsvConfig cfg = new CsvConfig(',', '"', '"');

   *
   * @param q the blocking queue to be drained
   * @param buffer where to add the transferred elements
   * @param numElements the number of elements to be waited for
   * @param timeout how long to wait before giving up
   * @return the number of elements transferred
   * @throws InterruptedException if interrupted while waiting

            try {
                try (Writer writer = new BufferedWriter(new OutputStreamWriter(Files.newOutputStream(tempFile), getCsvEncoding()))) {
                    elevateWordService.exportCsv(writer);
                } catch (final Exception e) {
                    logger.warn("Failed to process a request.", e);

        Exception exception = new Exception() {
            @Override
            public void printStackTrace(java.io.PrintWriter writer) {
                // Simulate a normal stack trace output
                writer.println("Special test exception");
                writer.flush();
            }
        };

        monitorTarget.appendException(buf, exception);