}

  private final Map<Class<? extends @NonNull B>, B> delegate;

  private MutableClassToInstanceMap(Map<Class<? extends @NonNull B>, B> delegate) {
    this.delegate = checkNotNull(delegate);
  }

  @Override
  protected Map<Class<? extends @NonNull B>, B> delegate() {
    return delegate;
  }

  /**

  }

  @Override
  public final boolean isRunning() {
    return delegate.isRunning();
  }

  @Override
  public final State state() {
    return delegate.state();
  }

  /**
   * @since 13.0
   */
  @Override
  public final void addListener(Listener listener, Executor executor) {
    delegate.addListener(listener, executor);
  }

  /**
   * @since 14.0
   */

        iterator.close();

        verify(delegate).close();
    }

    @Test
    @DisplayName("Close propagates exception")
    void closeException() throws CIFSException {
        when(delegate.hasNext()).thenReturn(false);
        doThrow(new CIFSException("Close failed")).when(delegate).close();

        TestIterator iterator = new TestIterator(null);

        .addEqualityGroup(map2, wrap(map2))
        .testEquals();
  }

  private static <K, V> ListMultimap<K, V> wrap(ListMultimap<K, V> delegate) {
    return new ForwardingListMultimap<K, V>() {
      @Override
      protected ListMultimap<K, V> delegate() {
        return delegate;
      }
    };
  }

    this.inverse = (ImmutableBiMap<V, K>) this;
  }

  RegularImmutableBiMap(ImmutableMap<K, V> delegate) {
    super(delegate);

    ImmutableMap.Builder<V, K> builder = ImmutableMap.builder();
    for (Entry<K, V> entry : delegate.entrySet()) {
      builder.put(entry.getValue(), entry.getKey());
    }
    ImmutableMap<V, K> backwardMap = builder.build();

              @Override
              public Collection apply(Collection delegate) {
                return wrap(delegate);
              }
            });
  }

  private static <T> Collection<T> wrap(Collection<T> delegate) {
    return new ForwardingCollection<T>() {
      @Override
      protected Collection<T> delegate() {
        return delegate;
      }
    };
  }

              @Override
              public Queue apply(Queue delegate) {
                return wrap(delegate);
              }
            });
  }

  private static <T> Queue<T> wrap(Queue<T> delegate) {
    return new ForwardingQueue<T>() {
      @Override
      protected Queue<T> delegate() {
        return delegate;
      }
    };
  }

    private final Callable<T> delegate;

    WrappedCallable(Callable<T> delegate) {
      this.delegate = delegate;
    }

    @Override
    public T call() throws Exception {
      return delegate.call();
    }
  }

  private static final class WrappedRunnable implements Runnable {
    private final Runnable delegate;

    WrappedRunnable(Runnable delegate) {
      this.delegate = delegate;
    }

        this.filter = filter;
        this.next = advance();
    }

    /**
     * @return next element
     */
    private SmbResource advance() {
        while (this.delegate.hasNext()) {
            final FileEntry n = this.delegate.next();
            if (this.filter == null) {
                try {
                    return adapt(n);
                } catch (final MalformedURLException e) {

  public void testListeningDecorator_noWrapExecuteTask() {
    ExecutorService delegate = mock(ExecutorService.class);
    ListeningExecutorService service = listeningDecorator(delegate);
    Runnable task =
        new Runnable() {
          @Override
          public void run() {}
        };
    service.execute(task);
    verify(delegate).execute(task);
  }