// NOP
    }

    /**
     * Registers this rule with the {@link RuleManager}.
     *
     * @param index the index at which the rule should be registered
     */
    public void register(final int index) {
        final RuleManager ruleManager = crawlerContainer.getComponent("ruleManager");
        ruleManager.addRule(index, this);
    }

    @Override
    public String getRuleId() {

        TestRule rule3 = new TestRule("rule3", true);

        ruleManager.addRule(rule1);
        ruleManager.addRule(rule2);
        ruleManager.addRule(rule3);

        assertTrue(ruleManager.removeRule(rule2));
        assertTrue(ruleManager.removeRule(rule1));
        assertTrue(ruleManager.removeRule(rule3));

        assertEquals(0, ruleManager.getRuleCount());
    }

    /**

    private StandardCrawlerContainer container;
    private TestRuleManager ruleManager;
    private TestAbstractRule testRule;

    @Override
    protected void setUp() throws Exception {
        super.setUp();

        ruleManager = new TestRuleManager();
        container = new StandardCrawlerContainer().singleton("ruleManager", ruleManager);

        testRule = new TestAbstractRule();

        public void processUrl(String url) {
        }

        @Override
        public void clear() {
        }
    }

    /**
     * Test implementation of RuleManager for testing
     */
    private static class TestRuleManager implements RuleManager {
        @Override
        public Rule getRule(ResponseData responseData) {
            return null;
        }

        @Override

            client.setMaxRetryCount(5);
            client.setRetryInterval(500);
        }).prototype("fsClient", FileSystemClient.class).prototype("ruleManager", RuleManagerImpl.class, manager -> {
            manager.addRule(container.getComponent("sitemapsRule"));
            manager.addRule(container.getComponent("fileRule"));
        })