}

    /**
     * Test: Thread-safe listener management using CopyOnWriteArrayList
     * Verifies that multiple threads can safely add listeners concurrently
     */
    @Test
    public void testThreadSafeListenerManagement() throws Exception {
        final int numThreads = 10;
        final ExecutorService executor = Executors.newFixedThreadPool(numThreads);
        final CountDownLatch latch = new CountDownLatch(numThreads);