buf.append(",\"page_size\":").append(suggestResponse.getNum());

            if (!suggestResponse.getItems().isEmpty()) {
                buf.append(",\"data\":[");

                boolean first = true;
                for (final SuggestItem item : suggestResponse.getItems()) {
                    if (!first) {
                        buf.append(',');
                    }

    This allows customization without the drawbacks of separate connection
    pools.

 *  **OkHttpClient is now stateless.** In the 2.x API `OkHttpClient` had getters
    and setters. Internally each request was forced to make its own complete
    snapshot of the `OkHttpClient` instance to defend against racy configuration
    changes. In 3.x, `OkHttpClient` is now stateless and has a builder. Note