*/
    public boolean deleteAllWords() {
        final SuggestDeleteResponse response = suggester.indexer().deleteAll();
        if (response.hasError()) {
            logger.warn("Failed to delete all words.", response.getErrors().get(0));
            return false;
        }
        refresh();
        return true;
    }

    /**
     * Deletes all document-based words from the suggest index.
     *

                            }
                            return null;
                        }

                        final List<String> errors = auth.getErrors();
                        if (!errors.isEmpty()) {
                            logger.warn("{}", errors.stream().collect(Collectors.joining(", ")));