assertTrue(item1.equals(item2));

        // Item with null input should not equal item with non-null input
        assertFalse(item3.equals(item1));
        assertFalse(item1.equals(item3));

        // Symmetry
        assertTrue(item1.equals(item2));
        assertTrue(item2.equals(item1));
    }

    @Test
    public void test_toString() {
        // Test toString method

        StopwordsItem item3 = new StopwordsItem(1, "word");

        // Two items with null input should be equal
        assertTrue(item1.equals(item2));

        // Item with null input should not equal item with non-null input
        assertFalse(item3.equals(item1));
        assertFalse(item1.equals(item3));

        // Symmetry
        assertTrue(item1.equals(item2));

        assertFalse(item1.equals(item3));

        // Item with null output should not equal item with different inputs
        CharMappingItem item4 = new CharMappingItem(4L, inputs3, null);
        assertFalse(item1.equals(item4));

        // Symmetry
        assertTrue(item1.equals(item2));
        assertTrue(item2.equals(item1));
    }

    @Test
    public void test_toString() {

        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_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");

        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"));

        assertEquals(2, result.size());

        CharMappingItem item1 = result.get(0);
        assertArrayEquals(new String[] { "α", "β" }, item1.getInputs());
        assertEquals("γ", item1.getOutput());

        CharMappingItem item2 = result.get(1);
        assertArrayEquals(new String[] { "中", "文" }, item2.getInputs());
        assertEquals("字", item2.getOutput());
    }

    // Test with very long input line

        showFieldLoggingTitle();
        for (DiskFileItem item : items) {
            if (item.isFormField()) {
                showFormFieldParameter(item);
                addTextParameter(request, item);
            } else {
                showFileFieldParameter(item);
                final String itemName = item.getName();

                builder.field("name", "test");
                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();

        /**
         * Sets the list of items processed in the bulk operation.
         * @param items The list of items, where each item is represented by a map.
         * @return The ApiBulkResponse instance.
         */
        public ApiBulkResponse items(final List<Map<String, Object>> items) {
            this.items = items;
            return this;
        }

        @Override