public void testRemoveAtIndex_unsupported() {
    assertThrows(UnsupportedOperationException.class, () -> getList().remove(0));
    expectUnchanged();
  }

  @ListFeature.Require(SUPPORTS_REMOVE_WITH_INDEX)
  public void testRemoveAtIndex_negative() {
    assertThrows(IndexOutOfBoundsException.class, () -> getList().remove(-1));
    expectUnchanged();
  }

  @ListFeature.Require(SUPPORTS_REMOVE_WITH_INDEX)

        "addAll(n, allPresent) should return true",
        getList().addAll(0, MinimalCollection.of(e0())));
    expectAdded(0, e0());
  }

  @ListFeature.Require(absent = SUPPORTS_ADD_WITH_INDEX)
  @CollectionSize.Require(absent = ZERO)
  public void testAddAllAtIndex_unsupportedAllPresent() {
    assertThrows(
        UnsupportedOperationException.class, () -> getList().addAll(0, MinimalCollection.of(e0())));
    expectUnchanged();
  }

  public void testRemoveAtIndex_unsupported() {
    assertThrows(UnsupportedOperationException.class, () -> getList().remove(0));
    expectUnchanged();
  }

  @ListFeature.Require(SUPPORTS_REMOVE_WITH_INDEX)
  public void testRemoveAtIndex_negative() {
    assertThrows(IndexOutOfBoundsException.class, () -> getList().remove(-1));
    expectUnchanged();
  }

  @ListFeature.Require(SUPPORTS_REMOVE_WITH_INDEX)

       * are off).
       */
      KeyList<K, V> keyList = requireNonNull(keyToKeyList.remove(node.getKey()));
      keyList.count = 0;
      modCount++;
    } else {
      // requireNonNull is safe (under the conditions listed in the comment in the branch above).
      KeyList<K, V> keyList = requireNonNull(keyToKeyList.get(node.getKey()));
      keyList.count--;

      if (node.previousSibling == null) {

  private ArrayTable(ArrayTable<R, C, V> table) {
    rowList = table.rowList;
    columnList = table.columnList;
    rowKeyToIndex = table.rowKeyToIndex;
    columnKeyToIndex = table.columnKeyToIndex;
    @SuppressWarnings("unchecked")
    @Nullable V[][] copy = (@Nullable V[][]) new Object[rowList.size()][columnList.size()];
    array = copy;
    for (int i = 0; i < rowList.size(); i++) {

     * Registers this extractor with the ExtractorFactory.
     * @param keyList The list of keys to register this extractor under.
     */
    public void register(final List<String> keyList) {
        if (keyList == null || keyList.isEmpty()) {
            throw new IllegalArgumentException("keyList must not be null or empty.");
        }
        getExtractorFactory().addExtractor(keyList, this);
    }

    /**

    E duplicate = arrayAndDuplicate.duplicate;

    int firstIndex = getList().indexOf(duplicate);
    int initialSize = getList().size();
    assertTrue("remove(present) should return true", getList().remove(duplicate));
    assertTrue(
        "After remove(duplicate), a list should still contain the duplicate element",
        getList().contains(duplicate));
    assertFalse(

    }

    /**
     * Adds a client with a list of regular expression patterns.
     * @param regexList The list of regular expressions to match URLs.
     * @param client The CrawlerClient instance.
     */
    public void addClient(final List<String> regexList, final CrawlerClient client) {
        if (regexList == null || regexList.isEmpty()) {
            throw new CrawlerSystemException("A regular expression list is null or empty.");

            final Settings settings) {
        super(indexSettings, name, settings);

        final List<String> tagList = Analysis.parseWordList(environment, settings, "tags", s -> s);
        if (tagList != null) {
            posTags.addAll(tagList);
        }
    }

    @Override
    public TokenStream create(final TokenStream tokenStream) {

        resetCollection();
        return getList().listIterator();
      }

      @Override
      protected void verify(List<E> elements) {
        expectContents(elements);
      }
    }.test();
  }

  public void testListIterator_tooLow() {
    assertThrows(IndexOutOfBoundsException.class, () -> getList().listIterator(-1));
  }

  public void testListIterator_tooHigh() {