@Override
            public ListProductSetsRequest injectToken(
                ListProductSetsRequest payload, String token) {
              return ListProductSetsRequest.newBuilder(payload).setPageToken(token).build();
            }
The default scopes of the service.
java-vision/google-cloud-vision/src/main/java/com/google/cloud/vision/v1p4beta1/stub/ProductSearchStubSettings.java