private static final class Itr<E> extends AbstractIndexedListIterator<E> {
    private final ImmutableList<E> list;

    Itr(ImmutableList<E> list, int index) {
      super(list.size(), index);
      this.list = list;
    }

    @Override
    protected E get(int index) {
      return list.get(index);
    }
  }

  @Override
  public int indexOf(@Nullable Object object) {

      public void perform(List<Integer> list) {
        list.remove(0);
      }
    };
  }

  static ListFrobber nop() {
    return new ListFrobber() {
      @Override
      public void perform(List<Integer> list) {}
    };
  }

  /** A list that mutates itself after every call to each of its {@link List} methods. */
  interface ConcurrentlyMutatedList<E> extends List<E> {
    /**

     * @deprecated use {@link #MultipleArtifactsNotFoundException(Artifact, List, List, List)}
     */
    @Deprecated
    public MultipleArtifactsNotFoundException(
            Artifact originatingArtifact,
            List<Artifact> missingArtifacts,
            List<ArtifactRepository> remoteRepositories) {
        this(originatingArtifact, new ArrayList<>(), missingArtifacts, remoteRepositories);

                assertEquals(pageSize, list.size());
                assertEquals(allRecordCount, list.getAllRecordCount());
                assertEquals(100, list.getAllPageCount());
                assertEquals(20, list.getCurrentEndRecordNumber());
                assertEquals(2, list.getCurrentPageNumber());
                assertEquals(11, list.getCurrentStartRecordNumber());
                assertEquals(0, list.getOffset());

        return doBatchInsert(new BulkList<>(list, call, entityCall), null);
    }

    public int[] batchUpdate(List<User> list) {
        return batchUpdate(list, null, null);
    }

    public int[] batchUpdate(List<User> list, RequestOptionCall<BulkRequestBuilder> call) {
        return batchUpdate(list, call, null);
    }

    public int[] batchUpdate(List<User> list, RequestOptionCall<BulkRequestBuilder> call,

        List<String> list = fieldLogMap.get("field");
        assertEquals(2, list.size());
        assertEquals("existing", list.get(0));
        assertEquals("new", list.get(1));
    }

    // Test addFieldLog with new field
    public void test_addFieldLog_newField() {
        getMockRequest().setAttribute(Constants.FIELD_LOGS, new HashMap<String, List<String>>());

        if (list.contains(key)) {
          assertEquals(list.lastIndexOf(key), answer);
          return;
        }
        break;
      case ANY_PRESENT:
        if (list.contains(key)) {
          assertEquals(key, list.get(answer));
          return;
        }
        break;
      case FIRST_AFTER:
        if (list.contains(key)) {
          assertEquals(list.lastIndexOf(key) + 1, answer);
          return;
        }

  }

  public void testCartesianProduct_unrelatedTypes() {
    List<Integer> x = list(1, 2);
    List<String> y = list("3", "4");

    List<Object> exp1 = list((Object) 1, "3");
    List<Object> exp2 = list((Object) 1, "4");
    List<Object> exp3 = list((Object) 2, "3");
    List<Object> exp4 = list((Object) 2, "4");

    assertThat(Lists.<Object>cartesianProduct(x, y))

    }

    @Override
    protected void verify(List<T> elements) {
      // verify same objects were removed from reference and target
      assertEquals(elements, targetList);
    }
  }

  private <T extends @Nullable Object> void actsLikeIteratorHelper(List<T> list) {
    // Check with modifiable copies of the list
    new PeekingIteratorTester<T>(list).test();

    // Check with unmodifiable lists

     *
     * @return a list of all available WebConfig objects
     */
    public List<WebConfig> getAllWebConfigList() {
        return getAllWebConfigList(true, true, true, null);
    }

    /**
     * Retrieves web crawling configurations filtered by a list of IDs.
     * If the ID list is null, returns all available configurations.
     *