@Override
            public ApiFuture<ListQueuesPagedResponse> getFuturePagedResponse(
                UnaryCallable<ListQueuesRequest, ListQueuesResponse> callable,
                ListQueuesRequest request,
                ApiCallContext context,
                ApiFuture<ListQueuesResponse> futureResponse) {
              PageContext<ListQueuesRequest, ListQueuesResponse, Queue> pageContext =
                  PageContext.create(callable, LIST_QUEUES_PAGE_STR_DESC, request, context);
              return ListQueuesPagedResponse.createAsync(pageContext, futureResponse);
            }
The default scopes of the service.
java-tasks/google-cloud-tasks/src/main/java/com/google/cloud/tasks/v2beta2/stub/CloudTasksStubSettings.java