/**
     * Integration test for complete index lifecycle with refactored methods.
     * Tests that createNextIndex and switchIndex work together correctly.
     * Note: Full lifecycle testing is covered by SuggesterTest.test_switchIndex()
     */
    @Test
    public void testIndexLifecycle_withRefactoredMethods() throws Exception {
        final Suggester suggester = Suggester.builder().build(client, "lifecycle-test");

        assertEquals(2, suggester.getAllWordsNum());
        assertEquals(2, suggester.getDocumentWordsNum());
        assertEquals(0, suggester.getQueryWordsNum());
    }

    @Test
    public void test_switchIndex() throws Exception {
        SuggestItem[] items = getItemSet1();
        suggester.indexer().index(items);
        suggester.refresh();