code: public static AuthInfo cramMD5(String username, String password) {
      return new AuthInfo(new PlainCallbackHandler(username, password), new String[] {"CRAM-MD5"});
    }
docs: Get a typical auth descriptor for CRAM-MD5 auth with the given username and password.
  
  @param u the username
  @param p the password
  
  @return an AuthInfo