docs: static void applyAndUpdateDeleteSet(Document plf, Document ilf, IntegrationResult result) {
  
          Element dSet = null;
          try {
              dSet = getDeleteSet(plf, null, false);
          } catch (Exception e) {
              LOG.error("Exception occurred while getting user's DLM delete-set.", e);
          }
  
          if (dSet == null) return;
  
          NodeList deletes = dSet.getChildNodes();
  
          for (int i = deletes.getLength() - 1; i >= 0; i--) {
              if (applyDelete((Element) deletes.item(i), ilf) == false) {
                  dSet.removeChild(deletes.item(i));
                  result.setChangedPLF(true);
              } else {
                  result.setChangedILF(true);
              }
          }
  
          if (dSet.getChildNodes().getLength() == 0) {
              plf.getDocumentElement().removeChild(dSet);
              result.setChangedPLF(true);
          }
      }