docs: public Observable<List<ElasticPoolInner>> listByServerAsync(String resourceGroupName, String serverName) {
          return listByServerWithServiceResponseAsync(resourceGroupName, serverName).map(new Func1<ServiceResponse<List<ElasticPoolInner>>, List<ElasticPoolInner>>() {
              @Override
              public List<ElasticPoolInner> call(ServiceResponse<List<ElasticPoolInner>> response) {
                  return response.body();
              }
          });
      }