*
 * Tests cover:
 * - Index alias helper method (getIndicesForAlias)
 * - Edge cases for switchIndex with EXPECTED_INDEX_COUNT
 * - Index lifecycle with refactored methods
 */
public class SuggesterRefactoringTest {
    static OpenSearchRunner runner;
    static Client client;

    @BeforeClass
    public static void beforeClass() throws Exception {
        runner = new OpenSearchRunner();

- Clean only test-specific indices (not `_all` unless needed)
- Use `runner.refresh()` after index operations
- Test with realistic multilingual content

### Key Test Classes

- `SuggesterRefactoringTest` - Index lifecycle, alias management
- `SuggesterTest` - Core functionality
- `SuggestIndexerTest` - Indexing operations
- `DefaultContentsParserTest` - Text processing pipeline

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