TestRule rule3 = new TestRule("rule3", false);
        TestRule rule4 = new TestRule("rule4", true);

        ruleManager.addRule(rule1);
        ruleManager.addRule(rule2);
        ruleManager.addRule(rule3);
        ruleManager.addRule(rule4);

        List<Rule> rules = ruleManager.getRules();
        assertEquals(4, rules.size());
        assertEquals("rule1", rules.get(0).getRuleId());

        sitemapsRule.setRuleId("sitemapsRule");
        sitemapsRule.addRule("url", ".*sitemap.*");
        ruleManager.addRule(sitemapsRule);

        RegexRule fileRule = container.getComponent("fileRule");
        fileRule.setRuleId("fileRule");
        fileRule.setDefaultRule(true);
        ruleManager.addRule(fileRule);
    }

    public void test_getRule() {

		<postConstruct name="addRule">
			<arg>sitemapsRule</arg>
		</postConstruct>
		<postConstruct name="addRule">
			<arg>webHtmlRule</arg>
		</postConstruct>
		<postConstruct name="addRule">
			<arg>webFileRule</arg>
		</postConstruct>
		<postConstruct name="addRule">
			<arg>fsFileRule</arg>
		</postConstruct>
		<postConstruct name="addRule">
			<arg>defaultRule</arg>
		</postConstruct>

                    addRule(IncubatingInternalInterfaceAddedRule, publicApiRuleParams)
                    addRule(MethodsRemovedInInternalSuperClassRule, publicApiRuleParams)
                    addRule(BinaryBreakingSuperclassChangeRule, publicApiRuleParams)

                    addRule(BinaryBreakingChangesRule, ruleParams)
                    addRule(NullabilityBreakingChangesRule, ruleParams)

    graph.addNode(node4);
    graph.addNode(node2);
    graph.addNode(node6);
    graph.addNode(node8);

    assertThat(graph.nodeOrder().comparator()).isEqualTo(Ordering.natural());
    assertThat(graph.nodes()).containsExactly(node2, node4, node6, node8).inOrder();
  }

  private static void addNodes(MutableGraph<Integer> graph) {
    graph.addNode(3);
    graph.addNode(1);

    assertThat(graphAsMutableGraph.addNode(N1)).isTrue();
    assertThat(graph.nodes()).contains(N1);
  }

  @Test
  public void addNode_existingNode() {
    assume().that(graphIsMutable()).isTrue();

    addNode(N1);
    ImmutableSet<Integer> nodes = ImmutableSet.copyOf(graph.nodes());
    assertThat(graphAsMutableGraph.addNode(N1)).isFalse();

    }

    /*
     * (non-Javadoc)
     *
     * @see
     * org.codelibs.fess.crawler.rule.RuleManager#addRule(org.codelibs.fess.crawler.rule.Rule)
     */
    /**
     * Adds a rule to the end of the rule list.
     * @param rule the rule to add
     */
    @Override
    public void addRule(final Rule rule) {
        ruleList.add(rule);
    }

    /**

 * applies the corresponding regular expressions.
 * </p>
 *
 * <p>
 * Example usage:
 * </p>
 *
 * <pre>
 * {@code
 * RegexRule rule = new RegexRule();
 * rule.addRule("url", "https://example.com/.*");
 * rule.addRule("contentType", "text/html");
 * rule.setAllRequired(true); // Both URL and content type must match
 *
 * ResponseData responseData = new ResponseData();

        List<BuildStep> firsts =
                add.values().stream().filter(b -> b.predecessors.isEmpty()).toList();
        firsts.stream()
                .filter(addNode -> !org.containsKey(addNode.name))
                .forEach(addNode -> lasts.forEach(orgNode -> addNode.executeAfter(orgNode)));
        add.forEach((name, node) -> org.merge(name, node, this::merge));
        return org;
    }

  public Graph<Integer> createGraph() {
    graphBuilder = GraphBuilder.undirected().allowsSelfLoops(allowsSelfLoops).immutable();
    return graphBuilder.build();
  }

  @Override
  final void addNode(Integer n) {
    graphBuilder.addNode(n);
    graph = graphBuilder.build();
  }

  @Override
  final void putEdge(Integer n1, Integer n2) {
    graphBuilder.putEdge(n1, n2);
    graph = graphBuilder.build();
  }