@Override
            public ApiFuture<ListSlatesPagedResponse> getFuturePagedResponse(
                UnaryCallable<ListSlatesRequest, ListSlatesResponse> callable,
                ListSlatesRequest request,
                ApiCallContext context,
                ApiFuture<ListSlatesResponse> futureResponse) {
              PageContext<ListSlatesRequest, ListSlatesResponse, Slate> pageContext =
                  PageContext.create(callable, LIST_SLATES_PAGE_STR_DESC, request, context);
              return ListSlatesPagedResponse.createAsync(pageContext, futureResponse);
            }
The default scopes of the service.
java-video-stitcher/google-cloud-video-stitcher/src/main/java/com/google/cloud/video/stitcher/v1/stub/VideoStitcherServiceStubSettings.java