private final MetadataStaxReader delegate;

    /**
     * Default constructor
     */
    public MetadataXpp3Reader() {
        delegate = new MetadataStaxReader();
    }

    /**
     * Constructor with ContentTransformer
     *
     * @param contentTransformer a transformer
     */
    public MetadataXpp3Reader(ContentTransformer contentTransformer) {

 * <li>{@link #deleteBadWord(String)} - Delete a bad word.</li>
 * <li>{@link #addElevateWord(ElevateWord, boolean)} - Add an elevate word and optionally apply it.</li>
 * <li>{@link #deleteElevateWord(String, boolean)} - Delete an elevate word and optionally apply it.</li>
 * <li>{@link #restoreElevateWord()} - Restore elevate words.</li>
 * <li>{@link #deleteOldWords(ZonedDateTime)} - Delete old words based on a threshold date.</li>

    private final MavenToolchainsStaxWriter delegate;

    public MavenToolchainsXpp3Writer() {
        delegate = new MavenToolchainsStaxWriter();
        delegate.setAddLocationInformation(false);
    }

    /**
     * Method setFileComment.
     *
     * @param fileComment a fileComment object.
     */
    public void setFileComment(String fileComment) {
        delegate.setFileComment(fileComment);
    }

    /**

  }

  private SafeTreeMap(NavigableMap<K, V> delegate) {
    this.delegate = checkNotNull(delegate);
    for (K k : keySet()) {
      checkValid(k);
    }
  }

  @Override
  public @Nullable Entry<K, V> ceilingEntry(K key) {
    return delegate.ceilingEntry(checkValid(key));
  }

  @Override
  public @Nullable K ceilingKey(K key) {
    return delegate.ceilingKey(checkValid(key));
  }

  @Override

                    + " the delegate) instead of forwarding to delegate.close()");
          }
        };
    ExecutorService wrapper =
        new ForwardingExecutorService() {
          @Override
          protected ExecutorService delegate() {
            return delegate;
          }
        };
    Method closeMethod;
    try {

  }

  @Override
  public @Nullable E higher(E e) {
    return delegate.higher(checkValid(e));
  }

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

  @Override
  public Iterator<E> iterator() {
    return delegate.iterator();
  }

  @Override
  public E last() {
    return delegate.last();
  }

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

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

  @Override
  public @Nullable E lower(@ParametricNullness E e) {
    return delegate().lower(e);
  }

  /**
   * A sensible definition of {@link #lower} in terms of the {@code descendingIterator} method of

      super(ForwardingSortedMultiset.this);
    }
  }

  @Override
  public Comparator<? super E> comparator() {
    return delegate().comparator();
  }

  @Override
  public SortedMultiset<E> descendingMultiset() {
    return delegate().descendingMultiset();
  }

  /**
   * A skeleton implementation of a descending multiset view. Normally, {@link

  }

  private SafeTreeMap(NavigableMap<K, V> delegate) {
    this.delegate = checkNotNull(delegate);
    for (K k : keySet()) {
      checkValid(k);
    }
  }

  @Override
  public @Nullable Entry<K, V> ceilingEntry(K key) {
    return delegate.ceilingEntry(checkValid(key));
  }

  @Override
  public @Nullable K ceilingKey(K key) {
    return delegate.ceilingKey(checkValid(key));
  }

  @Override

        processor.completed("rootId", rootCompleteEvent)

        then:
        1 * delegate.started(rootDescriptor, rootTestStartEvent)
        1 * delegate.started(testDescriptor1, testStartEvent1)
        1 * delegate.started(testDescriptor2, testStartEvent2)
        1 * delegate.failure("testId2", testError2)
        0 * delegate.completed("rootId", rootCompleteEvent)

        when: