void testThreadSafety() throws InterruptedException {
        SimpleCircuitBreaker breaker = new SimpleCircuitBreaker("concurrent", 5, 3, 100);
        AtomicInteger successCount = new AtomicInteger(0);
        AtomicInteger failureCount = new AtomicInteger(0);

        // Create multiple threads
        Thread[] threads = new Thread[10];
        for (int i = 0; i < threads.length; i++) {
            final int index = i;

        HALF_OPEN
    }

    private final String name;
    private final AtomicReference<State> state = new AtomicReference<>(State.CLOSED);
    private final AtomicInteger failureCount = new AtomicInteger(0);
    private final AtomicInteger successCount = new AtomicInteger(0);
    private final AtomicLong lastFailureTime = new AtomicLong(0);
    private final AtomicLong lastStateChangeTime = new AtomicLong(System.currentTimeMillis());

    /** Local endpoint address */
    protected final InetSocketAddress localAddress;
    /** Available send credits for flow control */
    protected final AtomicInteger sendCredits;
    /** Available receive credits for flow control */
    protected final AtomicInteger receiveCredits;
    /** Queue of pending RDMA work requests */
    protected final BlockingQueue<RdmaWorkRequest> pendingRequests;

    // Connection state

        CountDownLatch startLatch = new CountDownLatch(1);
        CountDownLatch endLatch = new CountDownLatch(threadCount);
        AtomicInteger releaseCount = new AtomicInteger(0);
        AtomicInteger acquireCount = new AtomicInteger(0);

        // Acquire session multiple times
        for (int i = 0; i < threadCount - 1; i++) {
            session.acquire();
        }

        // Test multiple JobExecutor instances
        JobExecutor executor1 = new TestJobExecutor();
        JobExecutor executor2 = new TestJobExecutor();

        AtomicInteger counter1 = new AtomicInteger(0);
        AtomicInteger counter2 = new AtomicInteger(0);

        executor1.addShutdownListener(() -> counter1.incrementAndGet());
        executor2.addShutdownListener(() -> counter2.incrementAndGet());

    }

    public void test_multiple_datastore_instances() {
        // Test multiple DataStore instances working independently
        final AtomicInteger store1CallCount = new AtomicInteger(0);
        final AtomicInteger store2CallCount = new AtomicInteger(0);

        DataStore dataStore1 = new DataStore() {
            @Override

   */
  public void testBuilder_bruteForce() {
    for (int i = 0; i < reduceIterationsIfGwt(100); i++) {
      ImmutableDoubleArray.Builder builder = ImmutableDoubleArray.builder(random.nextInt(20));
      AtomicInteger counter = new AtomicInteger(0);
      while (counter.get() < 1000) {
        BuilderOp op = BuilderOp.randomOp();
        op.doIt(builder, counter);
      }
      ImmutableDoubleArray iia = builder.build();

        CountDownLatch latch = new CountDownLatch(threadCount);
        ExecutorService executor = Executors.newFixedThreadPool(threadCount);
        AtomicInteger successCount = new AtomicInteger(0);
        AtomicInteger failureCount = new AtomicInteger(0);

        for (int t = 0; t < threadCount; t++) {
            final int threadId = t;
            executor.submit(() -> {
                try {

    private final Map<String, AccountAttempts> accountAttempts = new ConcurrentHashMap<>();
    private final Map<String, IpAttempts> ipAttempts = new ConcurrentHashMap<>();
    private final AtomicInteger globalAttemptsInCurrentWindow = new AtomicInteger(0);
    private final AtomicLong currentWindowStart = new AtomicLong(System.currentTimeMillis());

    // Cleanup scheduler
    private final ScheduledExecutorService cleanupScheduler;

        assertEquals(-1L, callback.getDocumentSize());
    }

    public void test_store_with_empty_map() {
        // Test with empty data map
        final AtomicInteger storeCount = new AtomicInteger(0);
        IndexUpdateCallback callback = new IndexUpdateCallback() {
            @Override
            public void store(DataStoreParams paramMap, Map<String, Object> dataMap) {