validate(form, messages -> {}, this::asDictIndexHtml);
        pageNumber.ifPresent(num -> {
            stopwordsPager.setCurrentPageNumber(pageNumber.get());
        }).orElse(() -> {
            stopwordsPager.setCurrentPageNumber(0);
        });
        return asHtml(path_AdminDictStopwords_AdminDictStopwordsJsp).renderWith(data -> {
            searchPaging(data, form);
        });

    public HtmlResponse list(final OptionalThing<Integer> pageNumber, final SearchForm form) {
        pageNumber.ifPresent(num -> {
            duplicateHostPager.setCurrentPageNumber(pageNumber.get());
        }).orElse(() -> {
            duplicateHostPager.setCurrentPageNumber(0);
        });
        return asHtml(path_AdminDuplicatehost_AdminDuplicatehostJsp).renderWith(data -> {
            searchPaging(data, form);
        });

    public HtmlResponse list(final OptionalThing<Integer> pageNumber, final SearchForm form) {
        pageNumber.ifPresent(num -> {
            keyMatchPager.setCurrentPageNumber(pageNumber.get());
        }).orElse(() -> {
            keyMatchPager.setCurrentPageNumber(0);
        });
        return asHtml(path_AdminKeymatch_AdminKeymatchJsp).renderWith(data -> {
            searchPaging(data, form);
        });
    }

        validate(form, messages -> {}, this::asDictIndexHtml);
        pageNumber.ifPresent(num -> {
            protwordsPager.setCurrentPageNumber(pageNumber.get());
        }).orElse(() -> {
            protwordsPager.setCurrentPageNumber(0);
        });
        return asHtml(path_AdminDictProtwords_AdminDictProtwordsJsp).renderWith(data -> {
            searchPaging(data, form);
        });

    public static String getMessage(final String key, final String defaultValue) {
        final Locale locale = LaRequestUtil.getOptionalRequest().map(HttpServletRequest::getLocale).orElse(Locale.ROOT);
        return ComponentUtil.getMessageManager().findMessage(locale, key).orElse(defaultValue);
    }

    /**
     * Checks if the current user has the specified action role or administrative privileges.
     *

    public HtmlResponse list(final OptionalThing<Integer> pageNumber, final SearchForm form) {
        pageNumber.ifPresent(num -> {
            dataConfigPager.setCurrentPageNumber(pageNumber.get());
        }).orElse(() -> {
            dataConfigPager.setCurrentPageNumber(0);
        });
        return asHtml(path_AdminDataconfig_AdminDataconfigJsp).renderWith(data -> {
            searchPaging(data, form);
        });
    }

    public HtmlResponse list(final OptionalThing<Integer> pageNumber, final SearchForm form) {
        pageNumber.ifPresent(num -> {
            pathMapPager.setCurrentPageNumber(pageNumber.get());
        }).orElse(() -> {
            pathMapPager.setCurrentPageNumber(0);
        });
        return asHtml(path_AdminPathmap_AdminPathmapJsp).renderWith(data -> {
            searchPaging(data, form);
        });
    }

    public HtmlResponse list(final OptionalThing<Integer> pageNumber, final SearchForm form) {
        pageNumber.ifPresent(num -> {
            groupPager.setCurrentPageNumber(pageNumber.get());
        }).orElse(() -> {
            groupPager.setCurrentPageNumber(0);
        });
        return asHtml(path_AdminGroup_AdminGroupJsp).renderWith(data -> {
            searchPaging(data, form);
        });
    }

    public HtmlResponse list(final OptionalThing<Integer> pageNumber, final SearchForm form) {
        pageNumber.ifPresent(num -> {
            relatedQueryPager.setCurrentPageNumber(pageNumber.get());
        }).orElse(() -> {
            relatedQueryPager.setCurrentPageNumber(0);
        });
        return asHtml(path_AdminRelatedquery_AdminRelatedqueryJsp).renderWith(data -> {
            searchPaging(data, form);
        });

        assertEquals("present", presentOptional.orElse("default"));

        // Test with null value
        String nullValue = null;
        OptionalEntity<String> emptyOptional = OptionalUtil.ofNullable(nullValue);

        assertFalse(emptyOptional.isPresent());
        assertEquals("default", emptyOptional.orElse("default"));

        // Test that empty optional returns null instead of throwing