code: public static String formatNodeProperties(String id, Node node, Map<String, Set<String>> uniqueConstraints, Set<String> indexNames, boolean jsonStyle) {
          StringBuilder result = formatProperties(id, node.getAllProperties(), jsonStyle);
          if (getNodeIdLabels(node, uniqueConstraints, indexNames).endsWith(label(UNIQUE_ID_LABEL))) {
              result.append(", ");
              result.append(formatPropertyName(id, UNIQUE_ID_PROP, node.getId(), jsonStyle));
          }
          return result.length() > 0 ? result.substring(2) : "";
      }
docs: ---- properties ----