}
        };

        // Test with nested parameters
        Map<String, Object> nestedParams = new HashMap<>();
        Map<String, Object> innerMap = new HashMap<>();
        innerMap.put("innerKey", "innerValue");
        nestedParams.put("nested", innerMap);

        assertNotNull(queryRescorer.evaluate(nestedParams));

        // Test without nested parameters
        Map<String, Object> flatParams = new HashMap<>();