docs: public ServiceFuture<List<SharedAccessAuthorizationRuleResourceInner>> listAuthorizationRulesAsync(final String resourceGroupName, final String namespaceName, final ListOperationCallback<SharedAccessAuthorizationRuleResourceInner> serviceCallback) {
          return AzureServiceFuture.fromPageResponse(
              listAuthorizationRulesSinglePageAsync(resourceGroupName, namespaceName),
              new Func1<String, Observable<ServiceResponse<Page<SharedAccessAuthorizationRuleResourceInner>>>>() {
                  @Override
                  public Observable<ServiceResponse<Page<SharedAccessAuthorizationRuleResourceInner>>> call(String nextPageLink) {
                      return listAuthorizationRulesNextSinglePageAsync(nextPageLink);
                  }
              },
              serviceCallback);
      }