* <li>{@link #addElevateWord(ElevateWord, boolean)} - Add an elevate word and optionally apply it.
 * <li>{@link #deleteElevateWord(String, boolean)} - Delete an elevate word and optionally apply it.
 * <li>{@link #restoreElevateWord()} - Restore elevate words.
 * <li>{@link #deleteOldWords(ZonedDateTime)} - Delete old words based on a threshold date.
 * <li>{@link #setIndexName(String)} - Set the index name.

        suggester.settings().elevateWord().add(elevateWord1);
        suggester.settings().elevateWord().add(elevateWord2);

        SuggestIndexResponse response = suggester.indexer().restoreElevateWord();

        assertNotNull(response);
        assertEquals(2, response.getNumberOfInputDocs());
        assertEquals(2, response.getNumberOfSuggestDocs());
        assertFalse(response.hasError());
    }

        suggester.settings().elevateWord().add(elevateWord1);
        suggester.settings().elevateWord().add(elevateWord2);
        suggester.settings().elevateWord().add(elevateWord3);

        suggester.indexer().restoreElevateWord();
        suggester.refresh();

        SuggestResponse response1 = suggester.suggest().setQuery("tes").setSuggestDetail(true).execute().getResponse();
        assertEquals(1, response1.getNum());