* </ul>
 *
 * <p>Timeout settings can be accessed via:</p>
 * <ul>
 *   <li>{@link #getScrollTimeout()}</li>
 *   <li>{@link #getSearchTimeout()}</li>
 *   <li>{@link #getIndexTimeout()}</li>
 *   <li>{@link #getIndicesTimeout()}</li>
 *   <li>{@link #getBulkTimeout()}</li>
 *   <li>{@link #getClusterTimeout()}</li>
 * </ul>
 *
 * <p>Default settings and array settings can be customized using:</p>

                    .setId(id)
                    .setDocAsUpsert(true)
                    .setDoc(builder)
                    .execute()
                    .actionGet(settings.getIndexTimeout());
            client.admin().indices().prepareRefresh().setIndices(actualIndex).execute().actionGet(settings.getIndicesTimeout());
        } catch (final Exception e) {

     * Refreshes the suggestion indices.
     * @return The RefreshResponse.
     */
    public RefreshResponse refresh() {
        return client.admin().indices().prepareRefresh().execute().actionGet(suggestSettings.getIndexTimeout());
    }

    /**
     * Shuts down the thread pool.
     */
    public void shutdown() {
        threadPool.shutdownNow();
    }

    /**
     * Creates a new index if no index exists.