code: public Observable<JobStreamInner> getStreamAsync(String resourceGroupName, String automationAccountName, UUID jobId, String jobStreamId) {
          return getStreamWithServiceResponseAsync(resourceGroupName, automationAccountName, jobId, jobStreamId).map(new Func1<ServiceResponse<JobStreamInner>, JobStreamInner>() {
              @Override
              public JobStreamInner call(ServiceResponse<JobStreamInner> response) {
                  return response.body();
              }
          });
      }
docs: Retrieve the job stream identified by job stream id.
  
  @param resourceGroupName Name of an Azure Resource group.
  @param automationAccountName The name of the automation account.
  @param jobId The job id.
  @param jobStreamId The job stream id.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the JobStreamInner object