* {@code final} keyword. For example, it could be private, or it could be declared by a final
   * class. To tell whether a method is overridable, use {@link Invokable#isOverridable}.
   */
  public final boolean isFinal() {
    return Modifier.isFinal(getModifiers());
  }

  /** Returns true if the method is abstract. */
  public final boolean isAbstract() {

public class MacHashFunctionTest extends TestCase {

  private static final ImmutableSet<String> INPUTS = ImmutableSet.of("", "Z", "foobar");

  private static final SecretKey MD5_KEY =
      new SecretKeySpec("secret key".getBytes(UTF_8), "HmacMD5");
  private static final SecretKey SHA1_KEY =
      new SecretKeySpec("secret key".getBytes(UTF_8), "HmacSHA1");
  private static final SecretKey SHA256_KEY =

        assertTrue("ACCESS_CONTROL_ALLOW_HEADERS should be final", Modifier.isFinal(headersField.getModifiers()));

        Field methodsField = CorsHandler.class.getDeclaredField("ACCESS_CONTROL_ALLOW_METHODS");
        assertTrue("ACCESS_CONTROL_ALLOW_METHODS should be final", Modifier.isFinal(methodsField.getModifiers()));

        Field privateNetworkField = CorsHandler.class.getDeclaredField("ACCESS_CONTROL_ALLOW_PRIVATE_NETWORK");

  /** Class for testing constructor, static method and instance method. */
  @SuppressWarnings("unused") // most are called by reflection
  private static class Prepender {

    private final String prefix;
    private final int times;

    Prepender(@NotBlank @Nullable String prefix, int times) throws NullPointerException {
      this.prefix = prefix;
      this.times = times;
    }

        // Test thread safety of utility methods
        final int threadCount = 10;
        final java.util.concurrent.CountDownLatch latch = new java.util.concurrent.CountDownLatch(threadCount);
        final java.util.concurrent.atomic.AtomicInteger errorCount = new java.util.concurrent.atomic.AtomicInteger(0);

        for (int i = 0; i < threadCount; i++) {
            final int threadId = i;
            new Thread(() -> {

        labels.testAssertPropertyNotNull(" ");
    }

    // Helper class to test protected method
    private static class TestFessLabels extends FessLabels {
        private static final long serialVersionUID = 1L;

        public void testAssertPropertyNotNull(String property) {
            assertPropertyNotNull(property);
        }
    }

    /**

    public void test_allPathsInitialized() throws Exception {
        // Get all public static final fields of HtmlNext type
        Field[] fields = FessHtmlPath.class.getDeclaredFields();
        for (Field field : fields) {
            int modifiers = field.getModifiers();
            if (Modifier.isPublic(modifiers) && Modifier.isStatic(modifiers) && Modifier.isFinal(modifiers)) {
                if (field.getType().equals(HtmlNext.class)) {

        assertFalse("Class should not be abstract", java.lang.reflect.Modifier.isAbstract(HotThreadMonitorTarget.class.getModifiers()));
        assertFalse("Class should not be final", java.lang.reflect.Modifier.isFinal(HotThreadMonitorTarget.class.getModifiers()));
    }

    @Test
    public void test_default_constructor_is_public() throws Exception {
        assertTrue("Default constructor should be public",

        }
    }

    @Test
    public void test_class_isFinal() {
        // Verify that KuromojiCSVUtil is a final class
        assertTrue("KuromojiCSVUtil should be final class", java.lang.reflect.Modifier.isFinal(KuromojiCSVUtil.class.getModifiers()));
    }

    @Test
    public void test_static_method_signatures() {

        assertFalse("Class should not be abstract", java.lang.reflect.Modifier.isAbstract(SystemMonitorTarget.class.getModifiers()));
        assertFalse("Class should not be final", java.lang.reflect.Modifier.isFinal(SystemMonitorTarget.class.getModifiers()));
    }

    @Test
    public void test_default_constructor_is_public() throws Exception {
        assertTrue("Default constructor should be public",