RelatedContentCQ cq = new RelatedContentCQ();
        queryLambda.callback(cq);
        final Collection<FilterFunctionBuilder> list = new ArrayList<>();
        if (functionsLambda != null) {
            functionsLambda.callback((cqLambda, scoreFunctionBuilder) -> {
                RelatedContentCQ cf = new RelatedContentCQ();
                cqLambda.callback(cf);

        ThumbnailQueueCQ cq = new ThumbnailQueueCQ();
        queryLambda.callback(cq);
        final Collection<FilterFunctionBuilder> list = new ArrayList<>();
        if (functionsLambda != null) {
            functionsLambda.callback((cqLambda, scoreFunctionBuilder) -> {
                ThumbnailQueueCQ cf = new ThumbnailQueueCQ();
                cqLambda.callback(cf);

        FavoriteLogCQ cq = new FavoriteLogCQ();
        queryLambda.callback(cq);
        final Collection<FilterFunctionBuilder> list = new ArrayList<>();
        if (functionsLambda != null) {
            functionsLambda.callback((cqLambda, scoreFunctionBuilder) -> {
                FavoriteLogCQ cf = new FavoriteLogCQ();
                cqLambda.callback(cf);

        DataStoreParams params = new DataStoreParams();

        // Execute store
        dataStore.store(config, callback, params);

        // Verify callback was used correctly
        assertEquals(2, callback.getDocumentSize());
        assertTrue(callback.isCommitted());
    }

    public void test_multiple_datastore_instances() {
        // Test multiple DataStore instances working independently

        ElevateWordToLabelCQ cq = new ElevateWordToLabelCQ();
        queryLambda.callback(cq);
        final Collection<FilterFunctionBuilder> list = new ArrayList<>();
        if (functionsLambda != null) {
            functionsLambda.callback((cqLambda, scoreFunctionBuilder) -> {
                ElevateWordToLabelCQ cf = new ElevateWordToLabelCQ();
                cqLambda.callback(cf);

      |
      """.trimMargin(),
    )
    assertThat(callbacks).isEmpty()
  }

  private fun consumeEvents(source: String) {
    val callback: ServerSentEventReader.Callback =
      object : ServerSentEventReader.Callback {
        override fun onEvent(
          id: String?,
          type: String?,
          data: String,
        ) {
          callbacks.add(Event(id, type, data))
        }

        if (queryLambda != null) {
            queryLambda.callback(cq);
        }
        FilterAggregationBuilder builder = regFilterA(name, cq.getQuery());
        if (opLambda != null) {
            opLambda.callback(builder);
        }
        if (aggsLambda != null) {
            UserInfoCA ca = new UserInfoCA();
            aggsLambda.callback(ca);
            ca.getAggregationBuilderList().forEach(builder::subAggregation);

        Process mockProcess = createMockProcess("callback test\nanother line");
        List<String> callbackResults = new ArrayList<>();
        Consumer<String> callback = line -> callbackResults.add(line);

        JobProcess jobProcess = new JobProcess(mockProcess, 50, callback);

        assertNotNull(jobProcess);
        assertSame(mockProcess, jobProcess.getProcess());

    MockCallback callback = new MockCallback("foo");
    addCallback(f, callback, directExecutor());
    f.set("foo");
  }

  public void testExecutorSuccess() {
    CountingSameThreadExecutor ex = new CountingSameThreadExecutor();
    SettableFuture<String> f = SettableFuture.create();
    MockCallback callback = new MockCallback("foo");
    Futures.addCallback(f, callback, ex);
    f.set("foo");

   *
   * @param future The future attach the callback to.
   * @param callback The callback to invoke when {@code future} is completed.
   * @param executor The executor to run {@code callback} when the future completes.
   * @since 10.0
   */
  public static <V extends @Nullable Object> void addCallback(
      ListenableFuture<V> future, FutureCallback<? super V> callback, Executor executor) {