code: public static Object loadXMLInfo(String filename) throws JAXBException {
          Object obj = null;
          JAXBContext jaxbContext = JAXBContext.newInstance(CLINVAR_CONTEXT_v53);
          Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
          obj = unmarshaller.unmarshal(new File(filename));
          return obj;
      }
docs: Checks if XML info path exists and loads it
  
  @throws javax.xml.bind.JAXBException
  @throws java.io.IOException