code: public <T> T parse(InputStream in, Class<?>... clas) {
  		try {
  			JAXBContext jaxbContext = JAXBContext.newInstance(clas);
  			Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();
  			T t = (T) jaxbUnmarshaller.unmarshal(in);
  			return t;
  		} catch (JAXBException e) {
  			throw new JKException(e);
  		}
  	}
docs: /*