/**
     * Test rule matching with various ResponseData states
     */
    public void test_matchWithVariousResponseDataStates() {
        ConfigurableRule rule = new ConfigurableRule();
        rule.setRuleId("stateRule");
        rule.setResponseProcessor(new TestResponseProcessor("stateProcessor"));

        // Empty ResponseData
        ResponseData emptyData = new ResponseData();
        assertTrue(rule.match(emptyData));

            return data != null ? new String(data) : null;
        }

        @Override
        public String getName() {
            return name;
        }
    }

    /**
     * Stateful transformer for testing state management
     */
    public static class StatefulTransformer implements Transformer {
        private final String name;
        private final List<String> processedUrls = new ArrayList<>();