assertEquals(Locale.GERMANY, result1.get());
        assertEquals(Locale.GERMANY, result2.get());
        assertEquals(Locale.GERMANY, result3.get());
    }

    // Helper method to create mock RequestManager
    private RequestManager createMockRequestManager(final String paramValue) {
        return new org.lastaflute.web.servlet.request.SimpleRequestManager() {
            @Override

    @Resource
    private MessageManager messageManager;

    /** Manager for handling HTTP request operations. */
    @Resource
    private RequestManager requestManager;

    // ===================================================================================
    //                                                                               Hook

    /**
     * Creates a new action validator.
     *
     * @param requestManager  The request manager.
     * @param messagesCreator The messages creator.
     * @param runtimeGroups   The runtime groups.
     * @return A new action validator.
     */
    public ActionValidator<FessMessages> createValidator(final RequestManager requestManager,

    public void process(final HttpServletRequest request, final HttpServletResponse response, final FilterChain chain)
            throws IOException, ServletException {
        final RequestManager requestManager = ComponentUtil.getRequestManager();
        if (!requestManager.findUserBean(FessUserBean.class).map(user -> user.hasRoles(acceptedRoles)).orElse(Boolean.FALSE)) {

            }

            final boolean hasAccessToken = processAccessToken(request, roleSet, isApiRequest);

            final RequestManager requestManager = ComponentUtil.getRequestManager();
            try {
                requestManager.findUserBean(FessUserBean.class)
                        .ifPresent(fessUserBean -> stream(fessUserBean.getPermissions()).of(stream -> stream.forEach(roleSet::add)))

        return getComponent(ACTIVITY_HELPER);
    }

    /**
     * Gets the request manager component.
     * @return The request manager.
     */
    public static RequestManager getRequestManager() {
        return getComponent(RequestManager.class);
    }

    /**
     * Gets the response manager component.
     * @return The response manager.
     */
    public static ResponseManager getResponseManager() {

import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestInfo;
import org.lastaflute.web.login.LoginManager;
import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.servlet.request.RequestManager;
import org.lastaflute.web.servlet.request.SimpleRequestManager;

public class SystemHelperTest extends UnitFessTestCase {

    public SystemHelper systemHelper;