@Override
  protected abstract Iterator<T> delegate();

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

  @CanIgnoreReturnValue
  @Override
  @ParametricNullness
  public T next() {
    return delegate().next();
  }

  @Override
  public void remove() {
    delegate().remove();
  }

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

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

    public final Object mutex;
    private final Map<K, V> delegate;

    public TestMap(Map<K, V> delegate, Object mutex) {
      checkNotNull(mutex);
      this.delegate = delegate;
      this.mutex = mutex;
    }

    @Override
    protected Map<K, V> delegate() {
      return delegate;
    }

    @Override
    public int size() {
      assertTrue(Thread.holdsLock(mutex));

        super(original);
        this.in = new Reader() {
            Reader delegate = null;

            @Override
            public int read(char[] cbuf, int off, int len) throws IOException {
                if (delegate == null) {
                    delegate = transform(original);
                }
                return delegate.read(cbuf, off, len);
            }

            @Override

  @Override
  protected abstract ListeningExecutorService delegate();

  @Override
  public <T extends @Nullable Object> ListenableFuture<T> submit(Callable<T> task) {
    return delegate().submit(task);
  }

  @Override
  public ListenableFuture<?> submit(Runnable task) {
    return delegate().submit(task);
  }

  @Override

      extends ForwardingList<E> {
    final List<E> delegate;
    final int delta;

    MisleadingSizeList(List<E> delegate, int delta) {
      this.delegate = delegate;
      this.delta = delta;
    }

    @Override
    protected List<E> delegate() {
      return delegate;
    }

    @Override
    public int size() {
      return delegate.size() + delta;
    }
  }

 */
@GwtCompatible
public final class EvictingQueue<E> extends ForwardingQueue<E> implements Serializable {

  private final Queue<E> delegate;

  @VisibleForTesting final int maxSize;

  private EvictingQueue(int maxSize) {
    checkArgument(maxSize >= 0, "maxSize (%s) must >= 0", maxSize);
    this.delegate = new ArrayDeque<>(maxSize);
    this.maxSize = maxSize;
  }

  /**

      DELEGATE_METHOD.setAccessible(true);
    } catch (SecurityException e) {
      throw new RuntimeException(e);
    } catch (NoSuchMethodException e) {
      throw new AssertionError(e);
    }
  }

  /**
   * Ensures that all interface methods of {@code forwarderClass} are forwarded to the {@link

      DELEGATE_METHOD.setAccessible(true);
    } catch (SecurityException e) {
      throw new RuntimeException(e);
    } catch (NoSuchMethodException e) {
      throw new AssertionError(e);
    }
  }

  /**
   * Ensures that all interface methods of {@code forwarderClass} are forwarded to the {@link

  protected ForwardingListMultimap() {}

  @Override
  protected abstract ListMultimap<K, V> delegate();

  @Override
  public List<V> get(@ParametricNullness K key) {
    return delegate().get(key);
  }

  @CanIgnoreReturnValue
  @Override
  public List<V> removeAll(@Nullable Object key) {
    return delegate().removeAll(key);
  }

  @CanIgnoreReturnValue
  @Override