docs: public Observable<Suggestions> autoSuggestAsync(String query, AutoSuggestOptionalParameter autoSuggestOptionalParameter) {
          return autoSuggestWithServiceResponseAsync(query, autoSuggestOptionalParameter).map(new Func1<ServiceResponse<Suggestions>, Suggestions>() {
              @Override
              public Suggestions call(ServiceResponse<Suggestions> response) {
                  return response.body();
              }
          });
      }