Set<Artifact> artifacts, List<ArtifactRepository> remoteRepositories, ArtifactFilter filter)
            throws CyclicDependencyException, OverConstrainedVersionException {
        if (artifacts != null && !artifacts.isEmpty()) {
            children = new ArrayList<>(artifacts.size());

            for (Artifact a : artifacts) {
                if (parents.contains(a.getDependencyConflictId())) {

        }
        return keyStr;
    }

    @Override
    public int size() {
        return parent.size();
    }

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

    @Override
    public boolean containsKey(final Object key) {
        if (parent.containsKey(key)) {
            return true;
        }

  }

  protected void assertGet(K key, Collection<? extends V> values) {
    assertEqualIgnoringOrder(values, multimap().get(key));

    if (!values.isEmpty()) {
      assertEqualIgnoringOrder(values, multimap().asMap().get(key));
      assertFalse(multimap().isEmpty());
    } else {
      assertNull(multimap().asMap().get(key));
    }

    assertEquals(values.size(), multimap().get(key).size());

    GcFinalization.awaitDone(
        new FinalizationPredicate() {
          @Override
          public boolean isDone() {
            return map.isEmpty();
          }
        });
    assertTrue(map.isEmpty());
  }

  // ----------------------------------------------------------------
  // Test that interrupts result in RuntimeException, not InterruptedException.

     * @return the list of expired {@link TimeoutTask}
     */
    protected synchronized List<TimeoutTask> getExpiredTask() {
        final List<TimeoutTask> expiredTask = new ArrayList<>();
        if (timeoutTaskList.isEmpty()) {
            return expiredTask;
        }
        for (SLinkedList<TimeoutTask>.Entry e = timeoutTaskList.getFirstEntry(); e != null; e = e.getNext()) {
            final TimeoutTask task = e.getElement();

                    final Tuple3<String, String, String> task = thumbnailTaskQueue.poll(thumbnailTaskQueueTimeout, TimeUnit.MILLISECONDS);
                    if (task == null) {
                        if (!taskList.isEmpty()) {
                            storeQueue(taskList);
                        }
                    } else if (!taskList.contains(task)) {
                        taskList.add(task);

     */
    public static Traverser[] getTraversers(final String rootPackage) {
        if (StringUtil.isEmpty(rootPackage)) {
            return EMPTY_ARRAY;
        }

        final String baseName = toDirectoryName(rootPackage);
        final List<Traverser> list = newArrayList();

    assertThat(TypeToken.of(Types.supertypeOf(String[].class)).getGenericInterfaces()).isEmpty();
  }

  public void testGetGenericInterfaces_wildcard_boundIsClass() {
    assertThat(TypeToken.of(Types.subtypeOf(Object.class)).getGenericInterfaces()).isEmpty();
    assertThat(TypeToken.of(Types.subtypeOf(Object[].class)).getGenericInterfaces()).isEmpty();
  }

    assertThat(getSubscriber().declaredIn2AnnotatedInClassEvents).contains(EVENT);
  }

  public void testNowhereAnnotated() {
    assertThat(getSubscriber().nowhereAnnotatedEvents).isEmpty();
  }

  @Override
  SubscriberClass createSubscriber() {
    return new SubscriberClass();
  }

  // original character value.
  @VisibleForTesting
  static char[][] createReplacementArray(Map<Character, String> map) {
    checkNotNull(map); // GWT specific check (do not optimize)
    if (map.isEmpty()) {
      return EMPTY_REPLACEMENT_ARRAY;
    }
    char max = max(map.keySet());
    char[][] replacements = new char[max + 1][];
    for (Character c : map.keySet()) {
      replacements[c] = map.get(c).toCharArray();