assertThat(Enums.getIfPresent(TestEnum.class, "POODLE")).hasValue(TestEnum.POODLE);

    assertThat(Enums.getIfPresent(TestEnum.class, "CHEETO")).isPresent();
    assertThat(Enums.getIfPresent(TestEnum.class, "HONDA")).isPresent();
    assertThat(Enums.getIfPresent(TestEnum.class, "POODLE")).isPresent();

    assertThat(Enums.getIfPresent(TestEnum.class, "CHEETO")).hasValue(TestEnum.CHEETO);

        context.indent();

        if (options.all().orElse(false)) {
            context.info("all: true (applying all available upgrades)");
        }

        if (options.modelVersion().isPresent()) {
            context.info("modelVersion: " + options.modelVersion().get());
        }

        if (options.plugins().orElse(false)) {
            context.info("plugins: true");
        }

        public String testDoUpgradeLogic(UpgradeContext context, String expectedTargetModel) {
            UpgradeOptions options = context.options();
            if (options.modelVersion().isPresent()) {
                return options.modelVersion().get();
            } else if (options.all().orElse(false)) {
                return "4.1.0";
            } else {
                return "4.0.0";
            }

        ArrayList<CIInfo> result = ServiceLoader.load(CIDetector.class).stream()
                .map(ServiceLoader.Provider::get)
                .map(CIDetector::detectCI)
                .filter(Optional::isPresent)
                .map(Optional::get)
                .collect(Collectors.toCollection(ArrayList::new));

        if (result.size() > 1) {
            // remove generic

        // CLI args
        MavenOptions cliOptions = parseMavenCliOptions(context.parserRequest.args());
        result.add(cliOptions);
        // atFile option
        if (cliOptions.atFile().isPresent()) {
            Path file = context.cwd.resolve(cliOptions.atFile().orElseThrow());
            if (Files.isRegularFile(file)) {
                result.add(parseMavenAtFileOptions(file));
            } else {

    }

    @Override
    public boolean presentInConfig(
            org.apache.maven.model.Profile profile, ProfileActivationContext context, ModelProblemCollector problems) {
        return getActivationPackaging(profile).isPresent();
    }

    private static boolean isPackaging(ProfileActivationContext context, String p) {
        String packaging = context.getUserProperties().get(ProfileActivationContext.PROPERTY_NAME_PACKAGING);

  }

  public void testIsPresent_no() {
    assertFalse(Optional.absent().isPresent());
  }

  @SuppressWarnings("OptionalOfRedundantMethod") // Unit tests for Optional
  public void testIsPresent_yes() {
    assertTrue(Optional.of("training").isPresent());
  }

  public void testGet_absent() {
    Optional<String> optional = Optional.absent();

    @get:Optional
    @get:Input
    val androidSdkRoot: Provider<String> = project.providers.environmentVariable("ANDROID_SDK_ROOT")

    @TaskAction
    fun warmup() {
        if (!androidHome.isPresent && !androidSdkRoot.isPresent) {
            logger.lifecycle("Skip warmning up Android home because ANDROID_HOME/ANDROID_SDK_ROOT env vars are not set.")
            return
        }
        sdkVersions.orNull.orEmpty().forEach { version ->

            val androidStudioPath = studioInstallation.studioInstallLocation.asFile.get().absolutePath
            return "-Dstudio.home=$androidStudioPath"
        } else if (androidStudioHome.isPresent) {
            return "-Dstudio.home=${androidStudioHome.get()}"
        }

        }.orElse(
            Optional.empty<T>()
        )
    }.reduce { acc, next ->
        acc.zip(next) { left, right ->
            when {
                left.isPresent -> {
                    require(!right.isPresent) {
                        "Expected at most one provider to be present"
                    }
                    left
                }
                else -> right
            }