* Returns the {@link Method} instance for {@link #testCreateWithNullKeyUnsupported()} so that
   * tests can suppress it with {@code FeatureSpecificTestSuiteBuilder.suppressing()} until <a
   * href="https://bugs.openjdk.org/browse/JDK-5045147">JDK-5045147</a> is fixed.
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method getCreateWithNullKeyUnsupportedMethod() {

  @GwtIncompatible // NullPointerTester
  public void testNulls() throws NoSuchMethodException {
    NullPointerTester tester = new NullPointerTester();
    // Necessary until JDK15:
    // https://bugs.openjdk.org/browse/JDK-8202469
    tester.ignore(Equivalence.class.getMethod("wrap", Object.class));

    tester.testAllPublicStaticMethods(Equivalence.class);
    tester.testAllPublicInstanceMethods(Equivalence.equals());

  @GwtIncompatible // NullPointerTester
  public void testNulls() throws NoSuchMethodException {
    NullPointerTester tester = new NullPointerTester();
    // Necessary until JDK15:
    // https://bugs.openjdk.org/browse/JDK-8202469
    tester.ignore(Equivalence.class.getMethod("wrap", Object.class));

    tester.testAllPublicStaticMethods(Equivalence.class);
    tester.testAllPublicInstanceMethods(Equivalence.equals());

        ((MockSearchRequestParams) params).setLanguages(null);

        // Note: MockletHttpServletRequest doesn't have addLocale method
        // This test simulates browser locale functionality

        String[] languages = searchHelper.getLanguages(getMockRequest(), params);

        assertTrue(languages.length >= 0);
    }

    public void test_getLanguages_withInvalidLang() {

              </excludes>
              <compilerArgs>
                <!--
                    Make includes/excludes fully work:
                    https://issues.apache.org/jira/browse/MCOMPILER-174
                    (Compare what guava-gwt has to do for maven-javadoc-plugin.)
                -->
                <arg>-sourcepath</arg>
                <arg>doesnotexist</arg>
              </compilerArgs>

        if (fessConfig.isValidUserCode(userCode)) {
            return userCode;
        }
        return null;
    }

    /**
     * Deletes the user code cookie from the client browser.
     * This method removes the user identification cookie by setting it to an empty value with zero max age.
     *
     * @param request the HTTP servlet request
     */

   * {@link java.util.TreeMap} can suppress it with {@code
   * FeatureSpecificTestSuiteBuilder.suppressing()} until <a
   * href="https://bugs.openjdk.org/browse/JDK-5045147">JDK-5045147</a> is fixed.
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method getPutNullKeyUnsupportedMethod() {

    public static final String GOOGLE_CHAT_WEBHOOK_URLS_PROPERTY = "google.chat.webhook.urls";

    /** Property key for browser locale usage in search configuration. */
    public static final String USE_BROWSER_LOCALE_FOR_SEARCH_PROPERTY = "search.use.browser.locale";

    // ============================================================
    // Suggest and LTR Property Keys

   * tests of {@link CopyOnWriteArraySet} can suppress it with {@code
   * FeatureSpecificTestSuiteBuilder.suppressing()} until <a
   * href="https://bugs.openjdk.org/browse/JDK-6570575">JDK-6570575</a> is fixed.
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method getListIteratorFullyModifiableMethod() {

  /**
   * Returns the {@link Method} instance for {@link #testPutAll_nullKeyUnsupported()} so that tests
   * can suppress it with {@code FeatureSpecificTestSuiteBuilder.suppressing()} until <a
   * href="https://bugs.openjdk.org/browse/JDK-5045147">JDK-5045147</a> is fixed.
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method getPutAllNullKeyUnsupportedMethod() {