SuggestItem mergedItem = item1;
            for (final SuggestItem item2 : items) {
                if (item1.equals(item2)) {
                    continue;
                }

                final String item2Id = item2.getId();
                if (item1Id.equals(item2Id)) {
                    mergedItem = SuggestItem.merge(mergedItem, item2);
                    mergedIdSet.add(item1Id);
                }
            }

        SuggestItem item2 = new SuggestItem(new String[] { "テスト" }, readings, new String[] { "content" }, 2, 0, -1, new String[] { "tag2" },
                new String[] { SuggestConstants.DEFAULT_ROLE }, null, SuggestItem.Kind.DOCUMENT);

        SuggestItem[] mergedItems = writer.mergeItems(new SuggestItem[] { item1, item2 });

        assertNotNull(mergedItems);

    type: str = "car"


class PlaneItem(BaseItem):
    type: str = "plane"
    size: int


items = {
    "item1": {"description": "All my friends drive a low rider", "type": "car"},
    "item2": {
        "description": "Music is my aeroplane, it's my aeroplane",
        "type": "plane",
        "size": 5,
    },
}


@app.get("/items/{item_id}", response_model=PlaneItem | CarItem)

     */
    @Test
    public void test_serializeDeserialize_list() {
        List<String> original = new ArrayList<>();
        original.add("item1");
        original.add("item2");
        original.add("item3");

        byte[] serialized = serializer.fromObjectToBinary(original);
        assertNotNull(serialized, "Serialized data should not be null");

        assertTrue(result.isPresent());
        assertEquals(testValue, result.get());
    }

    @Test
    public void test_ofNullable_withList() {
        List<String> testValue = Arrays.asList("item1", "item2", "item3");
        OptionalEntity<List<String>> result = OptionalUtil.ofNullable(testValue);

        assertNotNull(result);
        assertTrue(result.isPresent());
        assertEquals(testValue, result.get());

    @Test
    public void test_evaluate_withArrayParameter() {
        String template = "Items: ${items}";
        Map<String, Object> paramMap = new HashMap<>();
        String[] items = { "item1", "item2", "item3" };
        paramMap.put("items", items);

        Object result = scriptEngine.evaluate(template, paramMap);
        assertTrue(result.toString().contains("item1"));
    }

    }

    @Test
    public void test_register_nonEntityList() {
        RenderData data = new RenderData();
        List<String> stringList = Arrays.asList("item1", "item2", "item3");

        RenderDataUtil.register(data, "strings", stringList);

        Object result = data.getDataMap().get("strings");

        assertEquals(arr.length, result.length);
        assertEquals(arr[0], result[0]);

        // Test ArrayList
        final List<String> list = new ArrayList<>();
        list.add("item1");
        list.add("item2");
        binary = SerializeUtil.fromObjectToBinary(list);
        @SuppressWarnings("unchecked")
        final List<String> resultList = (List<String>) SerializeUtil.fromBinaryToObject(binary);

                builder.field("value", 123);
                builder.field("enabled", true);
                builder.startArray("items");
                builder.value("item1");
                builder.value("item2");
                builder.endArray();
                builder.startObject("nested");
                builder.field("inner", "value");
                builder.endObject();
                builder.endObject();

        final List<String> items = List.of("item1", "item2", "item3");
        chatApiManager.sendSseEvent(writer, "test", Map.of("items", items));

        final String output = stringWriter.toString();
        assertTrue(output.contains("event: test"));
        assertTrue(output.contains("["));
        assertTrue(output.contains("item1"));
        assertTrue(output.contains("item2"));
        assertTrue(output.contains("item3"));
    }