StopwordsItem item = new StopwordsItem(1, "");
        assertEquals("", item.toLineString());

        item.setNewInput("new");
        assertEquals("new", item.toLineString());
    }

    public void test_getId() {
        // Test getId method from parent class
        StopwordsItem item1 = new StopwordsItem(0, "word1");
        assertEquals(0, item1.getId());

        StopwordsItem item2 = new StopwordsItem(999, "word2");

        item.setNewInput("tempword");
        assertEquals("tempword", item.toLineString());

        item.setNewInput(null);
        assertEquals("originalword", item.toLineString());
    }

    public void test_getId() {
        // Test getId method inherited from DictionaryItem
        ProtwordsItem item1 = new ProtwordsItem(0, "word");
        assertEquals(0, item1.getId());

            return new HashMap<>();
        }

        @Override
        public String getEventType() {
            return "";
        }
    }

    // Test getId method
    public void test_getId() {
        // Test normal ID
        TestSearchLogEvent event = new TestSearchLogEvent("test-id-123", 1L, "search");
        assertEquals("test-id-123", event.getId());

        // Test ID change

        String[] inputs = {};
        CharMappingItem item = new CharMappingItem(1L, inputs, "output");

        assertEquals("=>output", item.toLineString());
    }

    public void test_getId() {
        // Test getId method from parent class
        CharMappingItem item = new CharMappingItem(42L, new String[] { "input" }, "output");
        assertEquals(42L, item.getId());
    }