code: public Observable<Page<StreamingJobInner>> listAsync(final String expand) {
          return listWithServiceResponseAsync(expand)
              .map(new Func1<ServiceResponse<Page<StreamingJobInner>>, Page<StreamingJobInner>>() {
                  @Override
                  public Page<StreamingJobInner> call(ServiceResponse<Page<StreamingJobInner>> response) {
                      return response.body();
                  }
              });
      }
docs: Lists all of the streaming jobs in the given subscription.
  
  @param expand The $expand OData query parameter. This is a comma-separated list of additional streaming job properties to include in the response, beyond the default set returned when this parameter is absent. The default set is all streaming job properties other than 'inputs', 'transformation', 'outputs', and 'functions'.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the PagedList&lt;StreamingJobInner&gt; object