@Override
            public ApiFuture<ListExecutionsPagedResponse> getFuturePagedResponse(
                UnaryCallable<ListExecutionsRequest, ListExecutionsResponse> callable,
                ListExecutionsRequest request,
                ApiCallContext context,
                ApiFuture<ListExecutionsResponse> futureResponse) {
              PageContext<ListExecutionsRequest, ListExecutionsResponse, Execution> pageContext =
                  PageContext.create(callable, LIST_EXECUTIONS_PAGE_STR_DESC, request, context);
              return ListExecutionsPagedResponse.createAsync(pageContext, futureResponse);
            }
The default scopes of the service.
java-workflow-executions/google-cloud-workflow-executions/src/main/java/com/google/cloud/workflows/executions/v1beta/stub/ExecutionsStubSettings.java