public static ObjectNode objectNodeFromString(
      final String jsonData, final boolean allowComments, final String... excludeFields) {
    try {
      return objectNodeFromParser(
          JSON_FACTORY.createParser(jsonData), allowComments, excludeFields);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }
Object node from string object node.

@param jsonData the json data
@param allowComments true to allow comments
@param excludeFields names of the fields to not read
@return the object node
config/src/main/java/org/hyperledger/besu/config/JsonUtil.java