@Override
            public ApiFuture<SearchDeploymentRevisionsPagedResponse> getFuturePagedResponse(
                UnaryCallable<SearchDeploymentRevisionsRequest, SearchDeploymentRevisionsResponse>
                    callable,
                SearchDeploymentRevisionsRequest request,
                ApiCallContext context,
                ApiFuture<SearchDeploymentRevisionsResponse> futureResponse) {
              PageContext<
                      SearchDeploymentRevisionsRequest,
                      SearchDeploymentRevisionsResponse,
                      Deployment>
                  pageContext =
                      PageContext.create(
                          callable, SEARCH_DEPLOYMENT_REVISIONS_PAGE_STR_DESC, request, context);
              return SearchDeploymentRevisionsPagedResponse.createAsync(
                  pageContext, futureResponse);
            }
The default scopes of the service.
java-telcoautomation/google-cloud-telcoautomation/src/main/java/com/google/cloud/telcoautomation/v1alpha1/stub/TelcoAutomationStubSettings.java