code: public Observable<BatchConfigurationInner> getAsync(String resourceGroupName, String integrationAccountName, String batchConfigurationName) {
          return getWithServiceResponseAsync(resourceGroupName, integrationAccountName, batchConfigurationName).map(new Func1<ServiceResponse<BatchConfigurationInner>, BatchConfigurationInner>() {
              @Override
              public BatchConfigurationInner call(ServiceResponse<BatchConfigurationInner> response) {
                  return response.body();
              }
          });
      }
docs: Get a batch configuration for an integration account.
  
  @param resourceGroupName The resource group name.
  @param integrationAccountName The integration account name.
  @param batchConfigurationName The batch configuration name.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the BatchConfigurationInner object