return WebAuthentication.class;
    }

    // ===================================================================================
    //                                                                     Object Instance
    //                                                                     ===============
    @Override
    public Entity newEntity() {
        return new WebAuthentication();
    }

        // Mixed null/non-null -> not equal
        Kerb5Authenticator c = new Kerb5Authenticator(new Subject());
        assertNotEquals(a, c);

        // Same subject instance -> equal
        Subject shared = new Subject();
        Kerb5Authenticator d1 = new Kerb5Authenticator(shared);
        Kerb5Authenticator d2 = new Kerb5Authenticator(shared);
        assertEquals(d1, d2);

    void testConstructor() {
        // When
        NameServiceClientImpl client = new NameServiceClientImpl(mockContext);

        // Then
        assertNotNull(client, "Should create client instance");
    }

    @Test
    @DisplayName("Should handle constructor with null context")
    void testConstructorWithNullContext() {
        // When/Then
        assertThrows(Exception.class, () -> {

    EnumMultiset<E> multiset = new EnumMultiset<>(iterator.next().getDeclaringClass());
    Iterables.addAll(multiset, elements);
    return multiset;
  }

  /**
   * Returns a new {@code EnumMultiset} instance containing the given elements. Unlike {@link
   * EnumMultiset#create(Iterable)}, this method does not produce an exception on an empty iterable.
   *
   * @since 14.0
   */

    /** Map of session IDs to exclude URL patterns for filtering URLs. */
    protected volatile Map<String, List<Pattern>> excludeUrlPatternMap = new HashMap<>();

    /**
     * Creates a new MemoryDataHelper instance.
     */
    public MemoryDataHelper() {
        super();
    }

    /**
     * Clears all URL queues and session data.
     */
    public void clear() {
        urlQueueMap.clear();

        return FileAuthentication.class;
    }

    // ===================================================================================
    //                                                                     Object Instance
    //                                                                     ===============
    @Override
    public Entity newEntity() {
        return new FileAuthentication();
    }

            return updateEntity(source, result);
        } catch (InstantiationException | IllegalAccessException e) {
            final String msg = "Cannot create a new instance: " + entityType.getName();
            throw new IllegalBehaviorStateException(msg, e);
        }
    }

    protected <RESULT extends FileConfig> RESULT updateEntity(Map<String, Object> source, RESULT result) {

            return updateEntity(source, result);
        } catch (InstantiationException | IllegalAccessException e) {
            final String msg = "Cannot create a new instance: " + entityType.getName();
            throw new IllegalBehaviorStateException(msg, e);
        }
    }

    protected <RESULT extends SearchLog> RESULT updateEntity(Map<String, Object> source, RESULT result) {

            // If lookup fails, no v4 factory exists for this type
            return null;
        }
    }

    /**
     * Creates a v3 ToolchainFactory bridge that wraps a specific v4 ToolchainFactory instance.
     */
    public ToolchainFactory createV3FactoryBridgeForV4Factory(
            org.apache.maven.api.services.ToolchainFactory v4Factory) {
        return new ToolchainFactory() {
            @Override

 */
public final class IpAddressUtil {

    /**
     * Private constructor to prevent instantiation of utility class.
     */
    private IpAddressUtil() {
        // Utility class - no instances allowed
    }

    /**
     * Determines if the given address string represents an IPv6 address.
     * This method validates the address using InetAddress to ensure it's a valid IPv6 address.
     *