super.setUp();
        labelTypeHelper = new LabelTypeHelper();
        ComponentUtil.register(new SystemHelper(), "systemHelper");
        ComponentUtil.register(new MockLabelTypeService(), LabelTypeService.class.getCanonicalName());
        ComponentUtil.register(new MockVirtualHostHelper(), "virtualHostHelper");
        ComponentUtil.register(new MockRoleQueryHelper(), "roleQueryHelper");
    }

    public void test_init() {

    /**
     * Constructs a new AbstractExtractor.
     */
    public AbstractExtractor() {
        // NOP
    }

    /**
     * Registers this extractor with the ExtractorFactory.
     * @param keyList The list of keys to register this extractor under.
     */
    public void register(final List<String> keyList) {
        if (keyList == null || keyList.isEmpty()) {

}

func (p *processor) Match(fc func(*DB) bool) *callback {
	return &callback{match: fc, processor: p}
}

func (p *processor) Register(name string, fn func(*DB)) error {
	return (&callback{processor: p}).Register(name, fn)
}

func (p *processor) Remove(name string) error {
	return (&callback{processor: p}).Remove(name)
}

    @Override
    protected void setUpChild() throws Exception {
        // Register other query commands that might be needed
        new TermQueryCommand().register();
        new MatchAllQueryCommand().register();

        // Initialize and register BooleanQueryCommand
        booleanQueryCommand = new BooleanQueryCommand();
        booleanQueryCommand.register();
    }

    // Test getQueryClassName method

        ComponentUtil.register(new MockSearchEngineClient(), "searchEngineClient");
        ComponentUtil.register(new MockSearchLogBhv(), "searchLogBhv");
        ComponentUtil.register(new MockElevateWordBhv(), "elevateWordBhv");
        ComponentUtil.register(new MockBadWordBhv(), "badWordBhv");
        ComponentUtil.register(new MockSystemHelper(), "systemHelper");

        // Register mock components before creating SuggestJob
        ComponentUtil.register(mockServletContext, "servletContext");
        ComponentUtil.register(mockServletContext, ServletContext.class.getCanonicalName());
        ComponentUtil.register(mockProcessHelper, "processHelper");
        ComponentUtil.setFessConfig(mockFessConfig);
        ComponentUtil.register(mockSystemHelper, "systemHelper");

		collectors[mg.CollectorPath] = mg
	}

	// Helper function to register a collector and return a gatherer for it.
	mustRegister := func(c ...prometheus.Collector) prometheus.Gatherer {
		subRegistry := prometheus.NewRegistry()
		for _, col := range c {
			subRegistry.MustRegister(col)
		}
		r.MustRegister(subRegistry)
		return subRegistry
	}

	// Register all collectors and create gatherers for them.

                        form.crudMode = crudMode;
                    });
                }).renderWith(data -> {
                    RenderDataUtil.register(data, "crawlingInfoParamItems", crawlingInfoService.getCrawlingInfoParamList(id));
                    RenderDataUtil.register(data, "running", processHelper.isProcessRunning(entity.getSessionId()));
                }))
                .orElseGet(() -> {

     *
     * @param data the render data
     * @param form the search form
     */
    protected void searchPaging(final RenderData data, final SearchForm form) {
        RenderDataUtil.register(data, "keyMatchItems", keyMatchService.getKeyMatchList(keyMatchPager)); // page navi

        // restore from pager
        copyBeanToBean(keyMatchPager, form, op -> op.include("term", "query"));
    }

     */
    public CharMappingCreator() {
        super("mapping.*\\.txt");
    }

    /**
     * Registers this creator with the dictionary manager after construction.
     */
    @PostConstruct
    public void register() {
        if (logger.isInfoEnabled()) {
            logger.info("Load {}", this.getClass().getSimpleName());
        }
        dictionaryManager.addCreator(this);