assertTransformModifiable(list);
  }

  private static void assertTransformModifiable(List<String> list) {
    try {
      list.add("5");
      fail("transformed list is addable");
    } catch (UnsupportedOperationException expected) {
    }
    list.remove(0);
    assertEquals(asList("2", "3", "4"), list);
    list.remove("3");
    assertEquals(asList("2", "4"), list);
    try {

                    firstItems.add(item);
                } else {
                    secondItems.add(item);
                }
            }
        }
        firstWords.addAll(secondWords);
        firstItems.addAll(secondItems);
        return new SuggestResponse(index, searchResponse.getTook().getMillis(), firstWords, searchResponse.getHits().getTotalHits().value(),
                firstItems);
    }

    /**

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

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

        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());

    public void test_match_default() {
        final RegexRule regexRule = new RegexRule();
        regexRule.defaultRule = true;
        regexRule.allRequired = true;
        regexRule.addRule("url", Pattern.compile("http:.*"));
        regexRule.addRule("mimeType", Pattern.compile("text/html"));

        assertTrue(regexRule.match(getTestData1()));
        assertTrue(regexRule.match(getTestData2()));

    oneValueAccumulatorByAddAllEmptyStats.addAll(Stats.of());

    twoValuesAccumulator = new StatsAccumulator();
    twoValuesAccumulator.addAll(TWO_VALUES);

    twoValuesAccumulatorByAddAllStats = new StatsAccumulator();
    twoValuesAccumulatorByAddAllStats.addAll(Stats.of(ONE_VALUE));
    twoValuesAccumulatorByAddAllStats.addAll(Stats.of(OTHER_ONE_VALUE));

  public void testAddAll_supportedNothing() {
    assertFalse("addAll(nothing) should return false", collection.addAll(emptyCollection()));
    expectUnchanged();
  }

  @CollectionFeature.Require(absent = SUPPORTS_ADD)
  public void testAddAll_unsupportedNothing() {
    try {
      assertFalse(
          "addAll(nothing) should return false or throw", collection.addAll(emptyCollection()));

        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() {

        UnsupportedOperationException.class, () -> getList().addAll(0, MinimalCollection.of(e0())));
    expectUnchanged();
  }

  @ListFeature.Require(SUPPORTS_ADD_WITH_INDEX)
  @CollectionSize.Require(absent = ZERO)
  public void testAddAllAtIndex_supportedSomePresent() {
    assertTrue(
        "addAll(n, allPresent) should return true",
        getList().addAll(0, MinimalCollection.of(e0(), e3())));
    expectAdded(0, e0(), e3());

    private <T> Collection<T> getExtensionComponents(Collection<MavenProject> projects, Class<T> role) {
        Collection<T> foundComponents = new LinkedHashSet<>();
        foundComponents.addAll(lookup.lookupList(role));
        foundComponents.addAll(getProjectScopedExtensionComponents(projects, role));
        return foundComponents;
    }