docs: private String values( PropertyDefinition pd, Property p ) throws RepositoryException {
          if (p == null) {
              return "N/A";
          }
          
          if (pd.getRequiredType() == PropertyType.BINARY) {
              return "BINARY";
          }
          
          if (!p.isMultiple()) {
              return p.getString();
          }
  
          return multiValue(p);
      }