//                                                                           Singleton
    //                                                                           =========
    private static final ScheduledJobDbm _instance = new ScheduledJobDbm();

    private ScheduledJobDbm() {
    }

    public static ScheduledJobDbm getInstance() {
        return _instance;
    }

    @Override
    public void setUp() throws Exception {
        super.setUp();
        ComponentUtil.register(new DataSerializer(), "dataSerializer");
    }

    private String encodeUrl(final String url) {
        try {
            return URLEncoder.encode(url, Constants.UTF_8);
        } catch (final UnsupportedEncodingException e) {

        verifyPathPattern("AdminUser", "/admin/user/");
        verifyPathPattern("AdminWebauth", "/admin/webauth/");
        verifyPathPattern("AdminWebconfig", "/admin/webconfig/");
    }

    private void verifyPathPattern(String prefix, String basePath) throws Exception {
        // Helper method to verify common pattern
        String baseFieldName = "path_" + prefix + "_" + prefix + "Jsp";

        .createTestSuite();
  }

  private static String[] dedupe(String[] elements) {
    Set<String> tmp = new LinkedHashSet<>();
    Collections.addAll(tmp, elements);
    return tmp.toArray(new String[0]);
  }

  static <T> Comparator<T> arbitraryNullFriendlyComparator() {
    return new NullFriendlyComparator<>();
  }

    the proxy selectors are different. Ugh!


## Version 4.2.0

_2019-09-10_

 *  New: API to decode a certificate and private key to create a `HeldCertificate`. This accepts a
    string containing both a certificate and PKCS #8-encoded private key.

    ```kotlin
    val heldCertificate = HeldCertificate.decode("""
        |-----BEGIN CERTIFICATE-----

    //                                                                          Definition
    //                                                                          ==========
    private static final long serialVersionUID = 1L;
    protected static final Class<?> suppressUnusedImportLocalDateTime = LocalDateTime.class;

    // ===================================================================================

 * This service provides customized URL fetching strategies including sequential and random ordering
 * based on crawling configuration parameters.
 */
public class FessUrlQueueService extends OpenSearchUrlQueueService {

    private static final Logger logger = LogManager.getLogger(FessUrlQueueService.class);

    /** Configuration value for sequential URL processing order */
    protected static final String ORDER_SEQUENTIAL = "sequential";

        });
  }

  @ListFeature.Require(SUPPORTS_REMOVE_WITH_INDEX)
  @CollectionSize.Require(absent = ZERO)
  public void testRemoveAtIndex_last() {
    runRemoveTest(getNumElements() - 1);
  }

  private void runRemoveTest(int index) {
    assertEquals(
        Platform.format("remove(%d) should return the element at index %d", index, index),
        getList().get(index),
        getList().remove(index));

  @SuppressWarnings("InlineMeSuggester") // would introduce fully qualified references to Objects
  public static int hashCode(@Nullable Object @Nullable ... objects) {
    return java.util.Objects.hash(objects);
  }

  private Objects() {}

    /**
     * AES 256 CCM
     */
    public static final int CIPHER_AES256_CCM = 0x3;

    /**
     * AES 256 GCM
     */
    public static final int CIPHER_AES256_GCM = 0x4;

    private int[] ciphers;

    /**
     * Constructs an encryption negotiate context.
     *
     * @param config the configuration (currently unused)
     * @param ciphers array of encryption cipher IDs to negotiate
     */