code: public ResponseBuilder deleteResource(final Resource res) {
          final String baseUrl = getBaseUrl();
          final String identifier = baseUrl + req.getPartition() + req.getPath();
  
          final Session session = ofNullable(req.getSession()).orElseGet(HttpSession::new);
  
          // Check if this is already deleted
          checkDeleted(res, identifier);
  
          // Check the cache
          final EntityTag etag = new EntityTag(md5Hex(res.getModified() + identifier));
          checkCache(req.getRequest(), res.getModified(), etag);
  
          LOGGER.debug("Deleting {}", identifier);
  
          try (final TrellisDataset dataset = TrellisDataset.createDataset()) {
  
              // Add the audit quads
              audit.ifPresent(svc -> svc.deletion(res.getIdentifier(), session).stream()
                      .map(skolemizeQuads(resourceService, baseUrl)).forEachOrdered(dataset::add));
  
              // When deleting just the ACL graph, keep the user managed triples in tact
              if (ACL.equals(req.getExt())) {
                  try (final Stream<? extends Triple> triples = res.stream(PreferUserManaged)) {
                      triples.map(t -> rdf.createQuad(PreferUserManaged, t.getSubject(), t.getPredicate(), t.getObject()))
                          .forEachOrdered(dataset::add);
                  }
              }
  
              // delete the resource
              if (resourceService.put(res.getIdentifier(), dataset.asDataset())) {
                  return status(NO_CONTENT);
              }
          }
  
          LOGGER.error("Unable to delete resource at {}", res.getIdentifier());
          return serverError().entity("Unable to delete resource. Please consult the logs for more information");
      }
docs: Delete the given resource
  @param res the resource
  @return a response builder