protected String reportActiveExternalHost;

    protected boolean useEPSVwithIPv4;

    protected Boolean isImplicit;

    protected String trustManager;

    @Override
    public synchronized void init() {
        if (ftpAuthenticationHolder != null) {
            return;
        }

        super.init();

   * Simply returns its argument.
   *
   * @deprecated no need to use this
   */
  @Deprecated
  public static <N> ImmutableGraph<N> copyOf(ImmutableGraph<N> graph) {
    return checkNotNull(graph);
  }

  @Override
  public ElementOrder<N> incidentEdgeOrder() {
    return ElementOrder.stable();
  }

  private static <N> ImmutableMap<N, GraphConnections<N, Presence>> getNodeConnections(
      Graph<N> graph) {

        return getConfigs("smb1", "smb2", "smb30", "smb31");
    }


    @Override
    @Before
    public void setUp () throws Exception {
        super.setUp();
        this.executor = Executors.newSingleThreadExecutor();
        this.base = createTestDirectory();
    }


    @Override
    @After
    public void tearDown () throws Exception {
        if ( this.executor != null ) {

//                  absl::Span<AbstractTensorHandle*> grad_outputs) override {
//     grad_outputs[0] = grad_inputs[0];
//     grad_outputs[1] = grad_inputs[0];
//     grad_outputs[0]->Ref();
//     grad_outputs[1]->Ref();
//     return OkStatus();
//   }
//   ~AddGradientFunction() override {}
// };
//
// GradientFunction* AddRegisterer(const ForwardOperation& op) {

  }

  public void testAnonymousClassDefaultConstructor() {
    final int i = 1;
    final String s = "hello world";
    Class<?> anonymous =
        new Runnable() {
          @Override
          public void run() {
            System.out.println(s + i);
          }
        }.getClass();
    Constructor<?> constructor = anonymous.getDeclaredConstructors()[0];

  }

  public void testAnonymousClassDefaultConstructor() {
    final int i = 1;
    final String s = "hello world";
    Class<?> anonymous =
        new Runnable() {
          @Override
          public void run() {
            System.out.println(s + i);
          }
        }.getClass();
    Constructor<?> constructor = anonymous.getDeclaredConstructors()[0];

    }
  }

  @ParameterizedTest
  @ArgumentsSource(SampleTestProvider::class)
  fun testParams(mode: String) {
  }
}

class SampleTestProvider : SimpleProvider() {
  override fun arguments() = listOf("A", "B")

  private final Set<Feature<? super List>> implied;

  ListFeature(Feature<? super List>... implied) {
    this.implied = copyToSet(implied);
  }

  @Override
  public Set<Feature<? super List>> getImpliedFeatures() {
    return implied;
  }

  @Retention(RetentionPolicy.RUNTIME)
  @Inherited
  @TesterAnnotation
  public @interface Require {

  VALUE_COLLECTIONS_SUPPORT_ITERATOR_REMOVE;

  private final Set<Feature<? super Multimap>> implied;

  MultimapFeature(Feature<? super Multimap>... implied) {
    this.implied = copyToSet(implied);
  }

  @Override
  public Set<Feature<? super Multimap>> getImpliedFeatures() {
    return implied;
  }

  @Retention(RetentionPolicy.RUNTIME)
  @Inherited
  @TesterAnnotation
  public @interface Require {

        this.options = options;
    }


    /**
     * {@inheritDoc}
     *
     * @see javax.security.auth.login.Configuration#getAppConfigurationEntry(java.lang.String)
     */
    @Override
    public AppConfigurationEntry[] getAppConfigurationEntry ( String name ) {
        return new AppConfigurationEntry[] {