source.put("NestedMap", nested);

        Map<String, Object> result = searchLogHelper.toLowerHyphen(source);

        assertEquals("value1", result.get("test_key"));
        assertEquals("value2", result.get("another_test_key"));

        @SuppressWarnings("unchecked")
        Map<String, Object> nestedResult = (Map<String, Object>) result.get("nested_map");

        Map<String, Object> nestedMap = new HashMap<>();
        nestedMap.put("nestedKey", "nestedValue");
        doc.put("nested", nestedMap);

        List<Map<String, Object>> listOfMaps = new ArrayList<>();
        listOfMaps.add(nestedMap);
        doc.put("listOfMaps", listOfMaps);

        assertEquals("nestedValue", DocumentUtil.getValue(nestedMap, "nestedKey", String.class));

        params.put("int_param", 42);
        params.put("double_param", 3.14);
        params.put("boolean_param", true);

        Map<String, String> nestedMap = new HashMap<>();
        nestedMap.put("nested_key", "nested_value");
        params.put("nested_param", nestedMap);

        RescorerBuilder<?> result = ltrQueryRescorer.evaluate(params);
        assertNotNull(result);

        assertEquals(228L, MemoryUtil.sizeOf(mixedMap));

        // Nested maps
        Map<String, Map<String, String>> nestedMap = new HashMap<>();
        nestedMap.put("outer", Maps.map("inner", "value").$());
        assertEquals(183L, MemoryUtil.sizeOf(nestedMap));
    }

    @Test
    public void test_sizeOf_customObjects() {
        // Test fallback case for custom objects (should return 16L)

                if (params.containsKey("nested") && params.get("nested") instanceof Map) {
                    @SuppressWarnings("unchecked")
                    Map<String, Object> nestedMap = (Map<String, Object>) params.get("nested");
                    if (nestedMap.containsKey("innerKey")) {
                        return createMockRescorerBuilder();
                    }
                }

                return null;
            }

    public void test_complexSourceMap() {
        TestSearchLogEvent event = new TestSearchLogEvent("complex-id", 1L, "complex");

        // Create nested map structure
        Map<String, Object> nestedMap = new HashMap<>();
        nestedMap.put("nested_key", "nested_value");

        Map<String, Object> sourceMap = new HashMap<>();
        sourceMap.put("string", "test");
        sourceMap.put("integer", 42);

    public void test_evaluate_complexObjectParameters() {
        final Map<String, Object> params = new HashMap<>();
        final Map<String, String> nestedMap = new HashMap<>();
        nestedMap.put("name", "John");
        nestedMap.put("role", "Developer");
        params.put("user", nestedMap);

        assertEquals("John", groovyEngine.evaluate("return user.name", params));