@Override
 public BulkNodeClient newIndex(
     String index, String type, InputStream settings, InputStream mappings) throws IOException {
   configHelper.reset();
   configHelper.setting(settings);
   configHelper.mapping(type, mappings);
   return newIndex(index, configHelper.settings(), configHelper.mappings());
 }
 public void addSetting(String key, Integer value) {
   configHelper.setting(key, value);
 }
 public void addSetting(String key, Boolean value) {
   configHelper.setting(key, value);
 }
 public void setting(InputStream in) throws IOException {
   configHelper.setting(in);
 }