assertTrue(addresses.length > 0);
    }

    public void test_resolve_invalid_brackets() {
        IdnDnsResolver resolver = new IdnDnsResolver();

        // Test empty brackets - should be treated as invalid hostname
        try {
            resolver.resolve("[]");
            fail("Should throw UnknownHostException for empty brackets");
        } catch (UnknownHostException e) {
            // Expected behavior

    assertThat(ArbitraryInstances.get(UUID.class)).isNotNull();
  }

  public void testGet_collections() {
    assertEquals(ImmutableSet.of().iterator(), ArbitraryInstances.get(Iterator.class));
    assertFalse(ArbitraryInstances.get(PeekingIterator.class).hasNext());
    assertFalse(ArbitraryInstances.get(ListIterator.class).hasNext());

 * duplicate host configurations used by the Fess crawler system.
 *
 * <p>Duplicate host configurations allow administrators to define hostname patterns
 * that should be treated as equivalent during crawling. This helps avoid indexing
 * duplicate content from the same logical site that may be accessible via different
 * hostnames (e.g., www.example.com and example.com).</p>
 */

    #  Elements of this map are as below:
    #   o key of map: User Definition Name (userDefName)
    #   o url: (NotRequired - Default same as one of main schema)
    #   o schema: (NotRequired - Default treated as no schema setting)
    #   o user: (Required)
    #   o password: password plainly or path to password file (with default password)
    #       e.g. foo or df:dfprop/system-password.txt|foo

  authParams: Map<String?, String>,
) {
  /**
   * Returns the auth params, including [realm] and [charset] if present, but as
   * strings. The map's keys are lowercase and should be treated case-insensitively.
   */
  @get:JvmName("authParams")
  val authParams: Map<String?, String>

  /** Returns the protection space. */
  @get:JvmName("realm")
  val realm: String?
    get() = authParams["realm"]

    private final ImmutableLongArray parent;

    private AsList(ImmutableLongArray parent) {
      this.parent = parent;
    }

    // inherit: isEmpty, containsAll, toArray x2, iterator, listIterator, stream, forEach, mutations

    @Override
    public int size() {
      return parent.length();
    }

    @Override
    public Long get(int index) {
      return parent.get(index);

 * When multiple extractors are associated with a single key, they are sorted by weight
 * in descending order. The {@link #getExtractor(String)} method returns a composite
 * extractor that iterates through the available extractors until one successfully
 * extracts the data.
 * </p>
 *
 * <p>
 * The class uses a {@link CrawlerContainer} for managing crawler components and

 * {@code ObjectCountHashMap} minimizes object allocation and reduces memory footprint.
 *
 * <p>In the absence of element deletions, this will iterate over elements in insertion order.
 */
@GwtCompatible
@NullMarked
class ObjectCountHashMap<K extends @Nullable Object> {

  /** Creates an empty {@code ObjectCountHashMap} instance. */

/**
 * Helper class for managing duplicate host configurations in the Fess search system.
 * This class handles URL conversion based on duplicate host rules, allowing multiple
 * hostnames or URLs to be treated as equivalent for crawling and indexing purposes.
 * It maintains a list of DuplicateHost rules and applies them to URLs.
 *
 */
public class DuplicateHostHelper {

            assertEquals(0x80000000, ACE.GENERIC_READ, "GENERIC_READ should be 0x80000000");
            assertTrue(ACE.GENERIC_READ < 0, "GENERIC_READ should be negative when treated as signed int");

            // Test that other generic rights are positive
            assertTrue(ACE.GENERIC_ALL > 0, "GENERIC_ALL should be positive");