String originalValue = System.getProperty(Constants.FESS_SEARCH_ENGINE_HTTP_ADDRESS);

        try {
            // Set initial value
            System.setProperty(Constants.FESS_SEARCH_ENGINE_HTTP_ADDRESS, "initial");
            assertEquals("initial", SystemUtil.getSearchEngineHttpAddress());

            // Change value and verify it's read fresh

   * Creates a {@code MonitorBasedPriorityBlockingQueue} with the default initial capacity (11) that
   * orders its elements according to their {@linkplain Comparable natural ordering}.
   */
  public MonitorBasedPriorityBlockingQueue() {
    q = new PriorityQueue<E>();
  }

  /**
   * Creates a {@code MonitorBasedPriorityBlockingQueue} with the specified initial capacity that

   *
   * @throws IllegalArgumentException if {@code initialCapacity} is negative
   * @throws IllegalStateException if an initial capacity was already set
   */
  @CanIgnoreReturnValue
  public MapMaker initialCapacity(int initialCapacity) {
    checkState(
        this.initialCapacity == UNSET_INT,
        "initial capacity was already set to %s",
        this.initialCapacity);
    checkArgument(initialCapacity >= 0);

        this.homePostalAddress = value;
    }

    public String getInitials() {
        checkSpecifiedProperty("initials");
        return convertEmptyToNull(initials);
    }

    public void setInitials(String value) {
        registerModifiedProperty("initials");
        this.initials = value;
    }

    public String getInternationaliSDNNumber() {
        checkSpecifiedProperty("internationaliSDNNumber");

                return execTime.get();
            }

            @Override
            public void commit() {
                // No-op for test
            }
        };

        // Test initial state
        assertEquals(0L, callback.getDocumentSize());
        assertEquals(0L, callback.getExecuteTime());

        // Test store method
        DataStoreParams params = new DataStoreParams();

    public void test_get_cacheAfterSystemPropertyChange() {
        String testKey = "cache.test";
        String initialValue = "initial";
        System.setProperty(Constants.FESS_CONFIG_PREFIX + testKey, initialValue);

        try {
            // Get initial value
            String value1 = fessConfig.get(testKey);
            assertEquals(initialValue, value1);

            // Change system property

        List<RelatedContent> testData = new ArrayList<>();
        testData.add(createRelatedContent("test", "Initial Content", ""));
        mockBhv.setTestData(testData);

        relatedContentHelper.load();
        String[] results = relatedContentHelper.getRelatedContents("test");
        assertEquals("Initial Content", results[0]);

        // Update test data
        testData.clear();

        List<RelatedQuery> testData = new ArrayList<>();
        testData.add(createRelatedQuery("test", new String[] { "initial" }, ""));
        mockBhv.setTestData(testData);

        relatedQueryHelper.load();
        String[] results = relatedQueryHelper.getRelatedQueries("test");
        assertEquals("initial", results[0]);

        // Update test data
        testData.clear();

    RateLimiter r = RateLimiter.create(1);
    assertTrue("Unable to acquire initial permit", r.tryAcquire());
    assertFalse("Capable of acquiring secondary permit", r.tryAcquire());
  }

  public void testDoubleMinValueCanAcquireExactlyOnce() {
    RateLimiter r = RateLimiter.create(Double.MIN_VALUE, stopwatch);
    assertTrue("Unable to acquire initial permit", r.tryAcquire());

    RateLimiter r = RateLimiter.create(1);
    assertTrue("Unable to acquire initial permit", r.tryAcquire());
    assertFalse("Capable of acquiring secondary permit", r.tryAcquire());
  }

  public void testDoubleMinValueCanAcquireExactlyOnce() {
    RateLimiter r = RateLimiter.create(Double.MIN_VALUE, stopwatch);
    assertTrue("Unable to acquire initial permit", r.tryAcquire());