public abstract TypeVariable<?>[] getTypeParameters();

  /** See {@link java.lang.reflect.AccessibleObject#setAccessible(boolean)}. */
  public final void setAccessible(boolean flag) {
    accessibleObject.setAccessible(flag);
  }

  /** See {@link java.lang.reflect.AccessibleObject#trySetAccessible()}. */
  @SuppressWarnings("CatchingUnchecked") // sneaky checked exception

        currentFormField.setAccessible(true);
        currentFormField.set(action, form);

        // Set fessConfig via reflection
        final java.lang.reflect.Field fessConfigField = findField(action.getClass(), "fessConfig");
        fessConfigField.setAccessible(true);
        fessConfigField.set(action, ComponentUtil.getFessConfig());

        Field runningField = Crawler.class.getDeclaredField("running");
        runningField.setAccessible(true);
        ((AtomicBoolean) runningField.get(null)).set(false);

        Field errorsField = Crawler.class.getDeclaredField("errors");
        errorsField.setAccessible(true);
        ((Queue<?>) errorsField.get(null)).clear();
    }

    // Test addError method
    @Test

        // Setup mock components
        setupMockComponents();

        Method processMethod = ThumbnailGenerator.class.getDeclaredMethod("process", ThumbnailGenerator.Options.class);
        processMethod.setAccessible(true);

        try {
            Integer result = (Integer) processMethod.invoke(null, options);
            assertNotNull(result);
            assertEquals(1, result.intValue());
        } catch (Exception e) {

        assertTrue(Modifier.isFinal(serialVersionField.getModifiers()));
        assertTrue(Modifier.isPrivate(serialVersionField.getModifiers()));
        serialVersionField.setAccessible(true);
        assertEquals(1L, serialVersionField.getLong(null));
    }

    /**
     * Test that all label constants follow the naming convention
     */
    @Test

        Field defaultSettingsField = SamlAuthenticator.class.getDeclaredField("defaultSettings");
        defaultSettingsField.setAccessible(true);
        defaultSettingsField.set(authenticator, settings);
    }

    @Test
    public void test_authenticatorInstantiation() {
        // Verify authenticator can be instantiated without errors

    val staticFields =
      findAnnotatedFields(
        context.requiredTestClass,
        StartStop::class.java,
      ) { Modifier.isStatic(it.modifiers) }

    for (field in staticFields) {
      field.setAccessible(true)
      val server = field.get(null) as? MockWebServer ?: continue

      // Put the instance in the store, so JUnit closes it for us in afterAll.
      store.put(field, server)

      server.start()
    }

                // Use reflection to call private method
                try {
                    Method method = FessCurtainFinallyHook.class.getDeclaredMethod("shutdownCommonsHttpClient");
                    method.setAccessible(true);
                    method.invoke(this);
                } catch (Exception e) {
                    // Expected to catch exception silently
                }
            }
        };

            systemHelperField.setAccessible(true);
            systemHelperField.set(null, null);

            java.lang.reflect.Field indexingHelperField = ComponentUtil.class.getDeclaredField("indexingHelper");
            indexingHelperField.setAccessible(true);
            indexingHelperField.set(null, null);

    }

    private NodeManager getNodeManager(CurlHelper curlHelper) {
        try {
            Field field = CurlHelper.class.getDeclaredField("nodeManager");
            field.setAccessible(true);
            return (NodeManager) field.get(curlHelper);
        } catch (Exception e) {
            return null;
        }
    }