docs: public Observable<DatabaseInner> beginCreateOrUpdateAsync(String resourceGroupName, String clusterName, String databaseName, DatabaseInner parameters) {
          return beginCreateOrUpdateWithServiceResponseAsync(resourceGroupName, clusterName, databaseName, parameters).map(new Func1<ServiceResponse<DatabaseInner>, DatabaseInner>() {
              @Override
              public DatabaseInner call(ServiceResponse<DatabaseInner> response) {
                  return response.body();
              }
          });
      }