final ChatSource source = new ChatSource();
        source.setIndex(1);
        source.setTitle("Test Document");

        message.addSource(source);

        assertEquals(1, message.getSources().size());
        assertEquals("Test Document", message.getSources().get(0).getTitle());
    }

    @Test
    public void test_addSourceWithNullSources() {
        final ChatMessage message = new ChatMessage();

    for (V element : elements) {
      assertFalse("Should not contain value " + element, getMap().containsValue(element));
    }
  }

  /**
   * @return an array of the proper size with {@code null} as the key of the middle element.
   */
  protected Entry<K, V>[] createArrayWithNullKey() {
    Entry<K, V>[] array = createSamplesArray();
    int nullKeyLocation = getNullLocation();

        throw new AssertionError("failed with stimuli " + subListCopy(stimuli, i + 1), cause);
      }
    }
  }

  private static List<Object> subListCopy(Object[] source, int size) {
    Object[] copy = new Object[size];
    arraycopy(source, 0, copy, 0, size);
    return asList(copy);
  }

  private interface IteratorOperation {
    @Nullable Object execute(Iterator<?> iterator);
  }

  /**

    assertEquals(5, runnable.count);
    assertEquals(0, delegate.getQueue().size());

    runnable = new ThrowingRunnable(5, ex);
    future = service.scheduleWithFixedDelay(runnable, 1, 1, MILLISECONDS);
    assertExecutionException(future, ex);
    assertEquals(5, runnable.count);
    assertEquals(0, delegate.getQueue().size());
  }

  public void testListeningDecorator_cancelled() throws Exception {

   */
  public static <E extends Comparable<? super E>> ImmutableSortedMultiset<E> of(
      E e1, E e2, E e3, E e4, E e5, E e6, E... remaining) {
    int size = remaining.length + 6;
    List<E> all = Lists.newArrayListWithCapacity(size);
    Collections.addAll(all, e1, e2, e3, e4, e5, e6);
    Collections.addAll(all, remaining);
    return copyOf(Ordering.natural(), all);
  }

  /**

    public Iterator<T> iterator() {
      return standardIterator();
    }

    @Override
    public boolean isEmpty() {
      return standardIsEmpty();
    }

    @Override
    public int size() {
      return standardSize();
    }
  }

  @AndroidIncompatible // test-suite builders
  public static Test suite() {
    TestSuite suite = new TestSuite();

        List<KerberosAuthData> authorizations = relevantAuthData.getAuthorizations();
        assertNotNull(authorizations, "The authorizations list should not be null.");
        assertEquals(1, authorizations.size(), "The authorizations list should contain one element.");
        assertEquals(mockAuthData, authorizations.get(0), "The authorization element should be the mocked object.");
    }

    /**

            assertEquals(1000000L, basicInfo.getCreateTime());
            assertEquals(2000000L, basicInfo.getLastWriteTime());
            assertEquals(0L, basicInfo.getSize()); // Basic info always returns 0 for size
        }

        @Test
        @DisplayName("Should generate correct toString for basic info")
        void testBasicInfoToString() {

        location.setLocation(0, location);

        List<LifecycleMojo> mojos = goals.getMojos();
        if (mojos != null) {

            for (int i = 0; i < mojos.size(); i++) {
                LifecycleMojo mojo = mojos.get(i);

                GoalSpec gs = parseGoalSpec(mojo.getGoal());

                if (gs == null) {
                    logger.warn(

        return queryBuilderList != null && !queryBuilderList.isEmpty();
    }

    public QueryBuilder getQuery() {
        if (queryBuilderList == null) {
            return null;
        } else if (queryBuilderList.size() == 1) {
            return queryBuilderList.get(0);
        }
        BoolQueryBuilder boolQuery = QueryBuilders.boolQuery();
        queryBuilderList.forEach(query -> {
            boolQuery.must(query);