assertNotSame(provider1.providePrimaryOneWayCryptographer(), provider2.providePrimaryOneWayCryptographer());
    }

    // Test thread safety
    @Test
    public void test_threadSafety() {
        // Test that the provider returns the same instances in multi-threaded environment
        final int threadCount = 10;
        final Thread[] threads = new Thread[threadCount];

                        java.lang.reflect.Modifier.isStatic(method.getModifiers()));
            }
        }
    }

    @Test
    public void test_thread_safety() throws InterruptedException {
        // Test concurrent access to thread dump methods
        final AtomicInteger successCount = new AtomicInteger(0);
        final AtomicInteger errorCount = new AtomicInteger(0);

            } else {
                System.clearProperty(Constants.FESS_SEARCH_ENGINE_HTTP_ADDRESS);
            }
        }
    }

    @Test
    public void test_thread_safety() {
        // Test concurrent access to the method
        String originalValue = System.getProperty(Constants.FESS_SEARCH_ENGINE_HTTP_ADDRESS);

        try {

        } catch (NullPointerException e) {
            // Expected - WebApiException constructor cannot handle null exception
        }
    }

    @Test
    public void test_thread_safety() {
        // Test thread safety of utility methods
        final int threadCount = 10;
        final java.util.concurrent.CountDownLatch latch = new java.util.concurrent.CountDownLatch(threadCount);