@BeforeEach
    void setLocaleToUseBuddhistCalendar() {
        defaultLocale = Locale.getDefault();
        Locale.setDefault(new Locale("th", "TH"));
    }

    @AfterEach
    void restoreLocale() {
        Locale.setDefault(defaultLocale);
    }

    static String gregorianDate() {
        SimpleDateFormat df = new SimpleDateFormat("yyyyMMdd");

    }

    @Test
    void testLocaleIndependent() {
        Locale orig = Locale.getDefault();
        Locale[] locales = {Locale.ENGLISH, new Locale("tr"), Locale.getDefault()};
        try {
            for (Locale locale : locales) {
                Locale.setDefault(locale);
                checkVersionsEqual("1-abcdefghijklmnopqrstuvwxyz", "1-ABCDEFGHIJKLMNOPQRSTUVWXYZ");
            }

        Locale orig = Locale.getDefault();
        try {
            Locale[] locales = {Locale.ENGLISH, new Locale("tr")};
            for (Locale locale : locales) {
                Locale.setDefault(locale);
                assertOrder(X_EQ_Y, "1-abcdefghijklmnopqrstuvwxyz", "1-ABCDEFGHIJKLMNOPQRSTUVWXYZ");
            }
        } finally {
            Locale.setDefault(orig);
        }
    }

    @Test

    assertEquals(
        "getOrDefault(present, def) should return the associated value",
        v0(),
        getMap().getOrDefault(k0(), v3()));
  }

  @CollectionSize.Require(absent = ZERO)
  public void testGetOrDefault_presentNullDefault() {
    assertEquals(
        "getOrDefault(present, null) should return the associated value",
        v0(),
        getMap().getOrDefault(k0(), null));
  }

    }

    private static Predicate<Artifact> toPredicate(Exclusion exclusion) {
        PathMatcher groupId = FileSystems.getDefault().getPathMatcher("glob:" + exclusion.getGroupId());
        PathMatcher artifactId = FileSystems.getDefault().getPathMatcher("glob:" + exclusion.getArtifactId());
        Predicate<Artifact> predGroupId = a -> groupId.matches(createPathProxy(a.getGroupId()));

                .getOrDefault("os.name", Os.OS_NAME)
                .toLowerCase(Locale.ENGLISH);
        String actualOsArch = context.getSystemProperties()
                .getOrDefault("os.arch", Os.OS_ARCH)
                .toLowerCase(Locale.ENGLISH);
        String actualOsVersion = context.getSystemProperties()
                .getOrDefault("os.version", Os.OS_VERSION)

    }

    private MavenProject getProject(Artifact artifact) {
        return getAllProjects()
                .getOrDefault(artifact.getGroupId(), Collections.emptyMap())
                .getOrDefault(artifact.getArtifactId(), Collections.emptyMap())
                .getOrDefault(artifact.getBaseVersion(), null);
    }

    // groupId -> (artifactId -> (version -> project)))

        triggers.add(StageTrigger(model, stage, prevStage, null, allDependencies))

        stageWithOsTriggers.getOrDefault(stage.stageName, emptyList()).forEach { targetOs ->
            val dependencies = allDependencies.filter { it.os == targetOs }

        }

        private <Q> Supplier<Q> getBeanSupplier(Dependency<Q> dep, Key<Q> key) {
            List<Binding<?>> list = new ArrayList<>();
            // Add DI bindings
            list.addAll(getBindings().getOrDefault(key, Set.of()));
            // Add Plexus bindings
            for (var bean : locator.get().locate(toGuiceKey(key))) {
                if (isPlexusBean(bean)) {

        }
        sessionBuilder.setAuthenticationSelector(authSelector);

        Object transport =
                mergedProps.getOrDefault(Constants.MAVEN_RESOLVER_TRANSPORT, MAVEN_RESOLVER_TRANSPORT_DEFAULT);
        if (MAVEN_RESOLVER_TRANSPORT_DEFAULT.equals(transport)) {
            // The "default" mode (user did not set anything) from now on defaults to AUTO