void testKnownMapping() {
        final int dosErr = 0x00010001;
        final int expectedNt = 0xc0000002;
        Optional<Integer> actual = findNtStatus(dosErr);
        assertTrue(actual.isPresent(), String.format("Mapping for %08x should exist", dosErr));
        assertEquals(expectedNt, actual.get(), String.format("NTSTATUS for %08x should be %08x", dosErr, expectedNt));
    }

    @Test

    /**
     * Displays the login page.
     *
     * @return the HTML response for the login page
     */
    @Execute
    public HtmlResponse index() {
        getSession().ifPresent(session -> session.removeAttribute(INVALID_OLD_PASSWORD));
        return asIndexPage(null).useForm(LoginForm.class);
    }

    private HtmlResponse asIndexPage(final LoginForm form) {
        if (form != null) {

 * relevant methods below.
 *
 * <ul>
 *   <li>This class is serializable; {@code java.util.Optional} is not.
 *   <li>{@code java.util.Optional} has the additional methods {@code ifPresent}, {@code filter},
 *       {@code flatMap}, and {@code orElseThrow}.
 *   <li>{@code java.util} offers the primitive-specialized versions {@code OptionalInt}, {@code

        final VaErrorHook toIndexPage = () -> {
            form.clearSecurityInfo();
            return asIndexHtml();
        };
        validatePasswordForm(form, toIndexPage);
        if (!getUserBean().isPresent()) {
            logger.warn("User session not found during password change");
            return redirect(LoginAction.class);
        }
        final String username = getUserBean().get().getUserId();
        try {

                    .selectByPK(scheduledJob.getId())
                    .ifPresent(e -> params.put(Constants.SCHEDULED_JOB, e))
                    .orElse(() -> {
                        logger.warn("Job {} is not found.", scheduledJob.getId());
                    });
            return params;
        };
        findJobByUniqueOf(LaJobUnique.of(id)).ifPresent(job -> {
            if (!job.isUnscheduled()) {

        context.invokerRequest.stdIn().ifPresent(System::setIn);
        context.invokerRequest
                .stdOut()
                .ifPresent(out -> System.setOut(out instanceof PrintStream pw ? pw : new PrintStream(out, true)));
        context.invokerRequest
                .stdErr()
                .ifPresent(err -> System.setErr(err instanceof PrintStream pw ? pw : new PrintStream(err, true)));

     */
    // DELETE /api/admin/reqheader/setting/{id}
    @Execute
    public JsonResponse<ApiResult> delete$setting(final String id) {
        reqHeaderService.getRequestHeader(id).ifPresent(entity -> {
            try {
                reqHeaderService.delete(entity);
                saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
            } catch (final Exception e) {

     */
    // DELETE /api/admin/webauth/setting/{id}
    @Execute
    public JsonResponse<ApiResult> delete$setting(final String id) {
        webAuthService.getWebAuthentication(id).ifPresent(entity -> {
            try {
                webAuthService.delete(entity);
                saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
            } catch (final Exception e) {

        assertFalse(options.plugins().isPresent(), "--plugins should not be present by default");
        assertFalse(options.all().isPresent(), "--all should not be present by default");
        assertFalse(options.infer().isPresent(), "--infer should not be present by default");
        assertFalse(options.model().isPresent(), "--fix-model should not be present by default");

     * @return JSON response with deletion status
     */
    @Execute
    public JsonResponse<ApiResult> delete$setting(final String id) {
        fileAuthService.getFileAuthentication(id).ifPresent(entity -> {
            try {
                fileAuthService.delete(entity);
                saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
            } catch (final Exception e) {