// Processor should remain the same instance
        ResponseProcessor proc1 = rule.getResponseProcessor();
        ResponseProcessor proc2 = rule.getResponseProcessor();
        ResponseProcessor proc3 = rule.getResponseProcessor();

        assertSame(proc1, proc2);
        assertSame(proc2, proc3);
    }

        assertTrue(urlFilter.match("https://example.com/document.pdf"));
        assertFalse(urlFilter.match("https://example.com/image.jpg"));
        assertFalse(urlFilter.match("https://example.com/photo.png"));
        assertFalse(urlFilter.match("https://example.com/animation.gif"));
    }

    /**
     * Test adding multiple exclude patterns
     */
    public void test_addExclude_multiplePatterns() {