}

  /**
   * Assigns to {@code hashCode} a "bucket" in the range {@code [0, buckets)}, in a uniform manner
   * that minimizes the need for remapping as {@code buckets} grows. That is, {@code
   * consistentHash(h, n)} equals:
   *
   * <ul>
   *   <li>{@code n - 1}, with approximate probability {@code 1/n}
   *   <li>{@code consistentHash(h, n - 1)}, otherwise (probability {@code 1 - 1/n})
   * </ul>
   *

 *       ImmutableSet.of("AZ", "CQ", "ZX");
 *
 *   private final ImmutableSet<String> codes;
 *
 *   public Foo(Iterable<String> codes) {
 *     this.codes = ImmutableSet.copyOf(codes);
 *     checkArgument(Collections.disjoint(this.codes, RESERVED_CODES));
 *   }
 * }
 * }
 *
 * <h3>See also</h3>
 *
 * <p>See the Guava User Guide article on <a href=

 *       ImmutableSet.of("AZ", "CQ", "ZX");
 *
 *   private final ImmutableSet<String> codes;
 *
 *   public Foo(Iterable<String> codes) {
 *     this.codes = ImmutableSet.copyOf(codes);
 *     checkArgument(Collections.disjoint(this.codes, RESERVED_CODES));
 *   }
 * }
 * }
 *
 * <h3>See also</h3>
 *
 * <p>See the Guava User Guide article on <a href=

        assertNull(exception.getMessage());
        assertEquals(cause, exception.getCause());
    }

    public void test_statusCode_variousHttpCodes() {
        // Test with various HTTP status codes
        int[] statusCodes = { 200, 201, 400, 401, 403, 404, 500, 502, 503 };

        for (int statusCode : statusCodes) {
            WebApiException exception = new WebApiException(statusCode, "Test message");

        int logoutHashCode = SsoResponseType.LOGOUT.hashCode();

        // Hash code should be consistent for the same object
        assertEquals(metadataHashCode, SsoResponseType.METADATA.hashCode());
        assertEquals(logoutHashCode, SsoResponseType.LOGOUT.hashCode());

        // Different enum constants should have different hash codes (usually)
        assertNotSame(metadataHashCode, logoutHashCode);
    }

        // Verify different message codes
        assertEquals(unknownErrorCode, unknownException.getMessageCode());
        assertEquals(parseErrorCode, parseException.getMessageCode());
        assertNotSame(unknownException.getMessageCode(), parseException.getMessageCode());
    }

    public void test_complexMessageCode() {
        // Setup - test with a complex message code that includes parameters

        int[] codes = (int[]) propMap.get(CRAWLER_FAILURE_URL_STATUS_CODES);
        if (codes == null) {
            codes = split(getCrawlerFailureUrlStatusCodes(), ",")
                    .get(stream -> stream.filter(StringUtil::isNotBlank).mapToInt(Integer::parseInt).toArray());
            propMap.put(CRAWLER_FAILURE_URL_STATUS_CODES, codes);
        }

    @Size(max = 1000)
    public String sort;

    /**
     * The number of search results to return per page.
     */
    @ValidateTypeFailure
    public Integer num;

    /**
     * Array of language codes to filter search results.
     */
    public String[] lang;

    /**
     * Array of additional query strings to exclude from search.
     */
    public String[] ex_q;

    /**

        }
        super.tearDown();
    }

    // Test basic initialization
    public void test_hookInitialization() {
        assertNotNull(apiFailureHook);
    }

    // Test API result status codes
    public void test_apiResultStatusCodes() {
        // Test OK status
        ApiResult okResult = new ApiResult.ApiResponse().status(Status.OK).result();
        assertNotNull(okResult);

        return fessConfig.isCrawlerDocumentDuplicateTermRemoved();
    }

    /**
     * Gets the array of space character codes from configuration.
     *
     * @return array of character codes to be treated as spaces
     */
    protected int[] getSpaceChars() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();