// Execute
        final SsoMessageException exception = new SsoMessageException(messageCode, message);

        // Verify that it's an instance of FessSystemException
        assertTrue(exception instanceof FessSystemException);
        assertTrue(exception instanceof RuntimeException);
    }

    public void test_stackTracePresence() {
        // Setup
        final String message = "Test stack trace";

                    } else if (value instanceof TestUser) {
                        // Handle TestUser object
                        TestUser user = (TestUser) value;
                        result = result.replace("${" + key + ".name}", user.name);
                        result = result.replace("${" + key + ".age}", String.valueOf(user.age));
                    } else if (value instanceof Map) {
                        // Handle nested maps

    }

    public void test_inheritance() {
        DocList docList = new DocList();

        assertTrue(docList instanceof java.util.ArrayList);
        assertTrue(docList instanceof java.util.List);
        assertTrue(docList instanceof java.util.Collection);
    }

  public void testGetRandomAccess() {
    Multimap<String, Integer> multimap = create();
    multimap.put("foo", 1);
    multimap.put("foo", 3);
    assertTrue(multimap.get("foo") instanceof RandomAccess);
    assertTrue(multimap.get("bar") instanceof RandomAccess);
  }

  /** Confirm that removeAll() returns a List implementing RandomAccess. */
  public void testRemoveAllRandomAccess() {
    Multimap<String, Integer> multimap = create();

   * example, {@code instanceOf(ArrayList.class)} will yield different results for the two equal
   * instances {@code Lists.newArrayList(1)} and {@code Arrays.asList(1)}.
   *
   * <p><b>Discouraged:</b> Prefer using {@code clazz::isInstance} or {@code x -> x instanceof
   * Clazz}, but note that lambdas do not have human-readable {@link #toString()} representations

        // Test that ScheduledJobException is instance of FessSystemException
        ScheduledJobException exception = new ScheduledJobException("Test");

        assertTrue(exception instanceof FessSystemException);
        assertTrue(exception instanceof RuntimeException);
        assertTrue(exception instanceof Exception);
        assertTrue(exception instanceof Throwable);
    }

    public void test_stackTracePresent() {

        if (o == null) {
            return null;
        } else if (o instanceof Double) {
            return (Double) o;
        } else if (o instanceof Number) {
            return Double.valueOf(((Number) o).doubleValue());
        } else if (o instanceof String) {
            return toDouble((String) o);
        } else if (o instanceof java.util.Date) {
            if (pattern != null) {

     *
     * 1) An interface I extending Comparable<I> so that the created array is of
     * an interface type. 2) An instance of a class implementing that interface
     * so that we can pass non-null instances of the interface.
     *
     * (Currently it's safe to pass instances for which compareTo() always
     * returns 0, but if we had a SingletonImmutableSortedSet, this might no
     * longer be the case.)
     *

        }
        if (obj instanceof String) {
            return ((String) obj).length() + 56L;
        }
        if (obj instanceof Number) {
            return 24L;
        }
        if (obj instanceof Date) {
            return 32L;
        }
        if (obj instanceof LocalDateTime) {
            return 80L;
        }
        if (obj instanceof ZonedDateTime) {
            return 2128L;

        // Test that ThumbnailGenerationException is an instance of FessSystemException
        ThumbnailGenerationException exception = new ThumbnailGenerationException("Test");

        assertTrue(exception instanceof FessSystemException);
        assertTrue(exception instanceof RuntimeException);
        assertTrue(exception instanceof Exception);
        assertTrue(exception instanceof Throwable);
    }