* exceptions thrown from the test do not cause this check to fail.
   */
  @RegisterExtension
  val noDataLeftBehind =
    AfterEachCallback { context: ExtensionContext ->
      if (context.executionException.isPresent) return@AfterEachCallback
      assertThat(data.readByteString().hex(), "Data not empty")
        .isEqualTo("")
    }

  // Mutually exclusive. Use the one corresponding to the peer whose behavior you wish to test.

        return ((Collection<?>) value).isEmpty();
      } else if (value instanceof Map) {
        return ((Map<?, ?>) value).isEmpty();
      } else if (value instanceof Optional) {
        return !((Optional) value).isPresent();
      } else if (value.getClass().isArray()) {
        return Array.getLength(value) == 0;
      }
      return false;
    }

    /**

    @Execute
    public JsonResponse<ApiResult> delete$setting(final String dictId, final long id) {
        stemmerOverrideService.getStemmerOverrideItem(dictId, id).ifPresent(entity -> {
            stemmerOverrideService.delete(dictId, entity);
            saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
        }).orElse(() -> {

    public void loginFailure(final OptionalThing<LoginCredential> credential) {
        final Map<String, String> valueMap = new LinkedHashMap<>();
        valueMap.put("action", Action.LOGIN_FAILURE.name());
        credential.ifPresent(c -> {
            valueMap.put("class", c.getClass().getSimpleName());
            if (c instanceof final FessCredential fessCredential) {
                valueMap.put("user", fessCredential.getUserId());
            }

        boolean validArtifactId = Objects.equals(a1, a2);
        for (SourceRoot sr : getSourceRoots(project)) {
            Optional<String> moduleName = sr.module();
            if (moduleName.isPresent()) {
                isMultiModule = true;
                if (moduleName.get().equals(a2)) {
                    validArtifactId = true;
                    break;
                }
            }
        }

    // DELETE /api/admin/dict/mapping/setting/{dictId}/{id}
    @Execute
    public JsonResponse<ApiResult> delete$setting(final String dictId, final long id) {
        charMappingService.getCharMappingItem(dictId, id).ifPresent(entity -> {
            charMappingService.delete(dictId, entity);
            saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
        }).orElse(() -> {

        }
        if (StringUtil.isBlank(this.queryString)) {
            this.queryString = "*";
        }
        if (isQuery) {
            LaRequestUtil.getOptionalRequest().ifPresent(request -> {
                highlightedQuerySet = new HashSet<>();
                request.setAttribute(Constants.HIGHLIGHT_QUERIES, highlightedQuerySet);

            } else {
                session.getAllProjects().stream()
                        .filter(MavenProject::isExecutionRoot)
                        .findFirst()
                        .ifPresent(buildResumptionDataRepository::removeResumptionData);
            }
        } finally {
            try {
                afterSessionEnd(session);
            } catch (MavenExecutionException e) {

            final JobManager jobManager = ComponentUtil.getJobManager();
            for (final ScheduledJob scheduledJob : scheduledJobList) {
                jobManager.findJobByUniqueOf(LaJobUnique.of(scheduledJob.getId())).ifPresent(job -> {
                    job.launchNow();
                });
            }
            saveInfo(messages -> messages.addSuccessStartCrawlProcess(GLOBAL));
        } else {

     * @return the action response, or null to continue with normal processing
     */
    @Override
    public ActionResponse godHandPrologue(final ActionRuntime runtime) {
        fessLoginAssist.getSavedUserBean().ifPresent(u -> {
            final boolean result = u.getFessUser().refresh();
            if (logger.isDebugEnabled()) {
                logger.debug("Refreshed user info: result={}", result);
            }
        });