}
                }
            });
        }

        // Start all threads
        for (Thread thread : threads) {
            thread.start();
        }

        // Wait for all threads to complete
        for (Thread thread : threads) {
            thread.join();
        }

        // Verify results
        assertTrue(exceptions.isEmpty());

                    }
                }
            });
        }

        // Start all threads
        for (Thread thread : threads) {
            thread.start();
        }

        // Wait for all threads to complete
        for (Thread thread : threads) {
            thread.join();
        }

        // Verify no exceptions
        assertTrue(exceptions.isEmpty());
    }

                        }
                    }
                }
            });
        }

        // Start all threads
        for (Thread thread : threads) {
            thread.start();
        }

        // Wait for all threads
        for (Thread thread : threads) {
            thread.join();
        }

        // Verify results
        assertTrue(exceptions.isEmpty());

            final int threadId = i;
            executor.submit(new Runnable() {
                @Override
                public void run() {
                    try {
                        startLatch.await();
                        for (int j = 0; j < 100; j++) {
                            testTransformer.setName("thread" + threadId + "_iteration" + j);

        urlFilter.init(sessionId);

        // Create multiple threads adding patterns
        Thread thread1 = new Thread(() -> {
            for (int i = 0; i < 100; i++) {
                urlFilter.addInclude("https://site" + i + ".com/.*");
            }
        });

        Thread thread2 = new Thread(() -> {
            for (int i = 0; i < 100; i++) {

                                errorCount.incrementAndGet();
                            }

                            // Occasionally update (half the threads)
                            if (threadId % 2 == 0 && j % 10 == 0) {
                                testRule.setRuleId("concurrentRule");
                                testRule.setResponseProcessor(processor);
                            }

                        successCount.incrementAndGet();
                    }
                } catch (InterruptedException e) {
                    Thread.currentThread().interrupt();
                } finally {
                    endLatch.countDown();
                }
            }
        });

        Thread thread2 = new Thread(new Runnable() {

            final int threadId = i;
            new Thread(new Runnable() {
                @Override
                public void run() {
                    try {
                        startLatch.await();
                        for (int j = 0; j < rulesPerThread; j++) {
                            TestRule rule = new TestRule("rule_" + threadId + "_" + j, true);

        SmbClient client = new SmbClient() {
            @Override
            protected ResponseData getResponseData(final String uri, final boolean includeContent) {
                try {
                    Thread.sleep(2000);
                } catch (InterruptedException e) {
                    throw new CrawlingAccessException(e);
                }
                return null;
            }
        };

                            // Transform operation
                            ResponseData responseData = new ResponseData();
                            responseData.setUrl("http://thread" + threadId + ".com/page" + j);
                            ResultData resultData = transformer.transform(responseData);