docs: private void importQueue(
              final ITenant tenant,
              final Map<PortalDataKey, Set<BucketTuple>> queue,
              final StringBuilder importReport)
              throws Exception {
  
          final StandardEvaluationContext ctx = new StandardEvaluationContext();
          ctx.setRootObject(new RootObjectImpl(tenant));
          IDataTemplatingStrategy templating = new SpELDataTemplatingStrategy(portalSpELService, ctx);
          Document doc = null;
          try {
              for (PortalDataKey pdk : dataKeyImportOrder) {
                  Set<BucketTuple> bucket = queue.get(pdk);
                  if (bucket != null) {
                      log.debug(
                              "Importing the specified PortalDataKey tenant '{}':  {}",
                              tenant.getName(),
                              pdk.getName());
                      for (BucketTuple tuple : bucket) {
                          doc = tuple.getDocument();
                          Source data =
                                  templating.processTemplates(
                                          doc, tuple.getResource().getURL().toString());
                          dataHandlerService.importData(data, pdk);
                          importReport.append(createImportReportLineItem(pdk, tuple));
                      }
                  }
              }
  
          } catch (Exception e) {
              log.error(
                      "Failed to process the specified template document:\n{}",
                      (doc != null ? doc.asXML() : "null"),
                      e);
              throw e;
          }
      }