@Override
            public ApiFuture<ListWorkflowRevisionsPagedResponse> getFuturePagedResponse(
                UnaryCallable<ListWorkflowRevisionsRequest, ListWorkflowRevisionsResponse> callable,
                ListWorkflowRevisionsRequest request,
                ApiCallContext context,
                ApiFuture<ListWorkflowRevisionsResponse> futureResponse) {
              PageContext<ListWorkflowRevisionsRequest, ListWorkflowRevisionsResponse, Workflow>
                  pageContext =
                      PageContext.create(
                          callable, LIST_WORKFLOW_REVISIONS_PAGE_STR_DESC, request, context);
              return ListWorkflowRevisionsPagedResponse.createAsync(pageContext, futureResponse);
            }
The default scopes of the service.
java-workflows/google-cloud-workflows/src/main/java/com/google/cloud/workflows/v1/stub/WorkflowsStubSettings.java