public void testIdentity_same() {
    Function<@Nullable String, @Nullable String> identity = Functions.identity();
    assertNull(identity.apply(null));
    assertSame("foo", identity.apply("foo"));
  }

  public void testIdentity_notSame() {
    Function<Long, Long> identity = Functions.identity();
    assertNotSame(new Long(135135L), identity.apply(new Long(135135L)));
  }

  @J2ktIncompatible

    public void insert(DataConfig entity) {
        doInsert(entity, null);
    }

    public void insert(DataConfig entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsert(entity, null);
    }

    public void update(DataConfig entity) {
        doUpdate(entity, null);
    }

    public void insert(LabelType entity) {
        doInsert(entity, null);
    }

    public void insert(LabelType entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsert(entity, null);
    }

    public void update(LabelType entity) {
        doUpdate(entity, null);
    }

    public void insert(WebConfig entity) {
        doInsert(entity, null);
    }

    public void insert(WebConfig entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsert(entity, null);
    }

    public void update(WebConfig entity) {
        doUpdate(entity, null);
    }

    @Override
    public void acceptPrimaryKeyMap(Entity entity, Map<String, ? extends Object> primaryKeyMap) {
    }

    @Override
    public void acceptAllColumnMap(Entity entity, Map<String, ? extends Object> allColumnMap) {
    }

    @Override
    public Map<String, Object> extractPrimaryKeyMap(Entity entity) {
        return null;
    }

    @Override

    // Helper methods

    private RelatedQuery createRelatedQuery(String term, String[] queries, String virtualHost) {
        RelatedQuery entity = new RelatedQuery();
        entity.setTerm(term);
        entity.setQueries(queries);
        entity.setVirtualHost(virtualHost);
        return entity;
    }

    // Mock classes

    static class MockRelatedQueryBhv extends RelatedQueryBhv {

    @Override
    public void acceptPrimaryKeyMap(Entity entity, Map<String, ? extends Object> primaryKeyMap) {
    }

    @Override
    public void acceptAllColumnMap(Entity entity, Map<String, ? extends Object> allColumnMap) {
    }

    @Override
    public Map<String, Object> extractPrimaryKeyMap(Entity entity) {
        return null;
    }

    @Override

     * @param form the edit form to populate
     * @param entity the scheduled job entity to load from
     */
    protected void loadScheduledJob(final EditForm form, final ScheduledJob entity) {
        copyBeanToBean(entity, form, op -> op.exclude("crudMode").excludeNull());
        form.jobLogging = entity.isLoggingEnabled() ? Constants.ON : null;
        form.crawler = entity.isCrawlerJob() ? Constants.ON : null;

                    final CrawlingInfoParam entity = new CrawlingInfoParam();
                    entity.setCrawlingInfoId(crawlingInfo.getId());
                    entity.setKey(list.get(2));
                    entity.setValue(list.get(3));
                    entity.setCreatedTime(formatter.parse(list.get(4)).getTime());
                    crawlingInfoParamBhv.insert(entity, op -> op.setRefreshPolicy(Constants.TRUE));

        taskList.stream().filter(entity -> entity != null).forEach(task -> {
            for (final String target : targets) {
                final ThumbnailQueue entity = new ThumbnailQueue();
                entity.setGenerator(task.getValue1());
                entity.setThumbnailId(task.getValue2());
                entity.setPath(task.getValue3());
                entity.setTarget(target);