docs: public Observable<ServiceResponse<Page<ActivityInner>>> listByModuleWithServiceResponseAsync(final String resourceGroupName, final String automationAccountName, final String moduleName) {
          return listByModuleSinglePageAsync(resourceGroupName, automationAccountName, moduleName)
              .concatMap(new Func1<ServiceResponse<Page<ActivityInner>>, Observable<ServiceResponse<Page<ActivityInner>>>>() {
                  @Override
                  public Observable<ServiceResponse<Page<ActivityInner>>> call(ServiceResponse<Page<ActivityInner>> page) {
                      String nextPageLink = page.body().nextPageLink();
                      if (nextPageLink == null) {
                          return Observable.just(page);
                      }
                      return Observable.just(page).concatWith(listByModuleNextWithServiceResponseAsync(nextPageLink));
                  }
              });
      }