thread1.start();
        thread2.start();

        try {
            thread1.join();
            thread2.join();
        } catch (InterruptedException e) {
            fail("Thread interrupted");
        }
    }

    @Test
    public void test_genericTypeSafety_withSubclass() {
        // Test that the exception accepts RootAction subclasses

     *
     * @param crawlerThread the thread to wait for; null threads are ignored
     */
    private void joinCrawlerThread(final Thread crawlerThread) {
        if (crawlerThread != null) {
            try {
                crawlerThread.join();
            } catch (final Exception e) {
                logger.info("Interrupted crawling process: name={}", crawlerThread.getName());

            }).start();
        }

        try {
            latch.await();
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            fail("Thread safety test interrupted");
        }

        // In test environment, some operations might not work due to missing request context
        // but the methods should not throw unexpected exceptions
    }

        // Wait for all threads to complete
        for (Thread thread : threads) {
            try {
                thread.join();
            } catch (InterruptedException e) {
                fail("Thread interrupted");
            }
        }

        // Verify all stores were counted
        assertEquals(1000L, callback.getDocumentSize());

        // Test commit after concurrent operations

                try {
                    thread.join();
                } catch (InterruptedException e) {
                    Thread.currentThread().interrupt();
                    fail("Thread interrupted");
                }
            }

            // Verify all results are consistent
            for (String result : results) {
                assertEquals("thread-test", result);
            }

            executor.awaitTermination(executorTerminationTimeout, TimeUnit.SECONDS);
        } catch (final InterruptedException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Executor shutdown interrupted", e);
            }
        } finally {
            executor.shutdownNow();
        }

        synchronized (indexUpdateCallback) {
            if (!deleteUrlList.isEmpty()) {

     *
     * @param consumer Consumer function to configure the bulk request builder
     * @return true if all bulk operations were successful, false otherwise
     * @throws InterruptedRuntimeException if the operation is interrupted
     * @throws SearchEngineClientException if the bulk update fails
     */
    public boolean bulkUpdate(final Consumer<BulkRequestBuilder> consumer) {

                        }
                    }
                } catch (final InterruptedException e) {
                    if (generating && logger.isDebugEnabled()) {
                        logger.debug("Interrupted task.", e);
                    }
                } catch (final Exception e) {
                    if (generating) {
                        logger.warn("Failed to generate thumbnail.", e);
                    }

        }

        indexUpdater.setFinishCrawling(true);
        try {
            indexUpdater.join();
        } catch (final InterruptedException e) {
            logger.warn("Interrupted index update.", e);
        }

        crawlingInfoHelper.putToInfoMap(Constants.WEB_FS_INDEX_EXEC_TIME, Long.toString(indexUpdater.getExecuteTime()));