docs: private Document cmisRepository() {
          RepositoryInfo info = session.getRepositoryInfo();
          DocumentWriter writer = newDocument(ObjectId.toString(ObjectId.Type.REPOSITORY_INFO, ""));
  
          writer.setPrimaryType(CmisLexicon.REPOSITORY);
          writer.setId(REPOSITORY_INFO_ID);
  
          // product name/vendor/version
          writer.addProperty(CmisLexicon.VENDOR_NAME, info.getVendorName());
          writer.addProperty(CmisLexicon.PRODUCT_NAME, info.getProductName());
          writer.addProperty(CmisLexicon.PRODUCT_VERSION, info.getProductVersion());
  
          return writer.document();
      }