return null;
          }

          @Override
          boolean isDone() {
            return false;
          }

          @Override
          String toPendingString() {
            return "";
          }

          @Override
          void afterRanInterruptiblySuccess(@Nullable Void result) {}

          @Override
          void afterRanInterruptiblyFailure(Throwable error) {}

  /** Constructor for use by subclasses. */
  protected ForwardingBlockingQueue() {}

  @Override
  protected abstract BlockingQueue<E> delegate();

  @CanIgnoreReturnValue
  @Override
  public int drainTo(Collection<? super E> c, int maxElements) {
    return delegate().drainTo(c, maxElements);
  }

  @CanIgnoreReturnValue
  @Override
  public int drainTo(Collection<? super E> c) {
    return delegate().drainTo(c);
  }

  abstract Condition delegate();

  @Override
  public void await() throws InterruptedException {
    delegate().await();
  }

  @Override
  public boolean await(long time, TimeUnit unit) throws InterruptedException {
    return delegate().await(time, unit);
  }

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

  @Override

  }

  @Override
  Entry<E> getEntry(int index) {
    return Multisets.immutableEntry(elementSet.asList().get(index), getCount(index));
  }

  @Override
  @CheckForNull
  public Entry<E> firstEntry() {
    return isEmpty() ? null : getEntry(0);
  }

  @Override
  @CheckForNull
  public Entry<E> lastEntry() {

    public ContentOutputStream(final int threshold, final File tmpDir) {
        super(threshold, PREFIX, SUFFIX, tmpDir);
    }

    @Override
    public File getFile() {
        done = true;
        return super.getFile();
    }

    @Override
    public void close() throws IOException {
        try {
            super.close();
        } finally {
            if (!isInMemory() && !done) {

    return result;
  }

  @SuppressWarnings("rawtypes") // class literals
  @Override
  protected List<Class<? extends AbstractTester>> getTesters() {
    List<Class<? extends AbstractTester>> testers = copyToList(super.getTesters());
    testers.addAll(ConcurrentMapTestSuiteBuilder.TESTERS);
    return testers;
  }

  @Override
  NavigableMapTestSuiteBuilder<K, V> subSuiteUsing(TestSortedMapGenerator<K, V> generator) {

    SessionRetargetResponsePacket () {
        this.type = SESSION_RETARGET_RESPONSE;
        this.length = 6;
    }


    @Override
    int writeTrailerWireFormat ( byte[] dst, int dstIndex ) {
        return 0;
    }


    @Override
    int readTrailerWireFormat ( InputStream in, byte[] buffer, int bufferIndex ) throws IOException {

    }

    public boolean include(Artifact artifact) {
        return type.equals(artifact.getType());
    }

    @Override
    public int hashCode() {
        int hash = 17;
        hash = hash * 31 + type.hashCode();
        return hash;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }

        this.plexusContainer = requireNonNull(plexusContainer, "plexusContainer");
        this.lookup = new DefaultLookup(plexusContainer);
    }

    @Override
    public Lookup getLookup() {
        return lookup;
    }

    @Override
    public void close() {
        try {
            plexusContainer.dispose();
        } finally {

        this.effectiveSettings = effectiveSettings;
        this.problems = (problems != null) ? problems : new ArrayList<>();
    }

    @Override
    public Settings getEffectiveSettings() {
        return effectiveSettings;
    }

    @Override
    public List<SettingsProblem> getProblems() {
        return problems;
    }