if (builder == null) {
                throw new IOException("Builder is null");
            }
            builder.startObject();
            builder.field("null_test", "value");
            builder.endObject();
            return builder;
        };

        // This should handle any IOException gracefully

    }

    /**
     * Test Rule with null ResponseData
     */
    public void test_matchWithNullResponseData() {
        ConfigurableRule rule = new ConfigurableRule();
        rule.setRuleId("nullTest");
        rule.setResponseProcessor(new TestResponseProcessor("nullProcessor"));

        // Should handle null gracefully
        assertFalse(rule.match(null));
    }

    /**