Page provider replacer in ES ignored when invoking the @pp rest point adapter

When invoking http://localhost:8080/nuxeo/api/v1/id/369c36a9-ae0a-4160-baf1-1234cc9021e0/@pp/tree_children the page provider called is still returning CoreQueryDocumentPageProvider.getCurrentPage() even if the server shows at sturtup:
[PageProviderClassReplacerRegistry] List of page provider names that are superseded:

• tree_children: org.nuxeo.elasticsearch.provider.ElasticSearchNxqlPageProvider