assertSame(processor, testRule.getResponseProcessor());

        // Register and verify
        testRule.register(0);
        assertTrue(ruleManager.hasRule(testRule));

        // Verify registered rule maintains properties
        Rule registeredRule = ruleManager.getRules().get(0);
        assertEquals("multiRule", registeredRule.getRuleId());
        assertSame(processor, registeredRule.getResponseProcessor());
    }

 * passive/active modes, and encoding settings. It also handles FTP file attributes such as user,
 * group, and symbolic links.
 *
 * <p>
 * The class uses Apache Commons Net library for FTP communication. It maintains a queue of FTPClient
 * instances to improve performance by reusing connections.
 * </p>
 *
 * <p>
 * The client can be configured with FTP-specific settings via init parameters, such as:
 * </p>
 * <ul>