// Set null processor
        testRule.setResponseProcessor(null);
        assertNull(testRule.getResponseProcessor());
    }

    /**
     * Test register method with index 0
     */
    public void test_register_indexZero() {
        testRule.setRuleId("rule1");

        // Pre-add some rules
        TestAbstractRule existingRule = new TestAbstractRule();

        throw new CrawlerSystemException("GET method is not supported.");
    }

    /**
     * Performs a HEAD request.
     * @param url The URL to request.
     * @return The ResponseData.
     */
    protected ResponseData doHead(final String url) {
        throw new CrawlerSystemException("HEAD method is not supported.");
    }

    /**
     * Performs a POST request.

     *
     * @param message the detail message. The detail message is saved for later retrieval by the {@link #getMessage()} method.
     * @param cause the cause (which is saved for later retrieval by the {@link #getCause()} method).
     *              (A {@code null} value is permitted, and indicates that the cause is nonexistent or unknown.)
     */

     */
    @Override
    public String getMethod() {
        return method;
    }

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.entity.AccessResult#setMethod(java.lang.String)
     */
    @Override
    public void setMethod(final String method) {
        this.method = method;
    }

    /*
     * (non-Javadoc)
     *

     * @throws NTLMEngineException if an NTLM engine error occurs.
     */
    @Override
    public String generateType1Msg(final String arg0, final String arg1) throws NTLMEngineException {
        // TODO Auto-generated method stub
        return null;
    }

    /**
     * Generates a Type 3 NTLM message.
     * @param username The username.
     * @param password The password.
     * @param domain The domain.

    /**
     * Gets the HTTP method used for the request.
     *
     * @return the HTTP method (e.g., GET, POST)
     */
    public String getMethod() {
        return method;
    }

    /**
     * Sets the HTTP method used for the request.
     *
     * @param method the HTTP method to set (e.g., GET, POST)
     */
    public void setMethod(final String method) {
        this.method = method;
    }

    /**
     * Retrieves the HTTP method used for the URL in the queue.
     *
     * @return the HTTP method as a String.
     */
    String getMethod();

    /**
     * Sets the HTTP method for the URL queue.
     *
     * @param method the HTTP method to be set (e.g., GET, POST, etc.)
     */
    void setMethod(String method);

    /**
     * Retrieves the URL from the queue.
     *

    void setHttpStatusCode(Integer httpStatusCode);

    /**
     * Returns the HTTP method used for the access.
     *
     * @return the HTTP method
     */
    String getMethod();

    /**
     * Sets the HTTP method used for the access.
     *
     * @param method the HTTP method
     */
    void setMethod(String method);

    /**
     * Returns the MIME type of the accessed resource.
     *

    private XmlUtil() {
    }

    /**
     * Escapes special characters in the given XML string to their corresponding
     * XML entities. This method replaces the following characters:
     * <ul>
     *   <li>&amp; with &amp;amp;</li>
     *   <li>&lt; with &amp;lt;</li>
     *   <li>&gt; with &amp;gt;</li>
     *   <li>" with &amp;quot;</li>

        assertFalse(urlFilter.match("https://example.com/search?debug=true"));
        assertFalse(urlFilter.match("https://example.com/search?q=test&debug=true"));
    }

    /**
     * Test processUrl method with various URL patterns
     */
    public void test_processUrl_basic() {
        String sessionId = "test-session-012";
        urlFilter.init(sessionId);