code: protected PID getNormalizedPID(String pid) {
          // strip the leading "info:fedora/" if any
          if (pid.startsWith(Constants.FEDORA.uri)) {
              pid = pid.substring(Constants.FEDORA.uri.length());
          }
          // should be left with "demo:foo" or "demo:foo/demo:bar"
  
          return PID.getInstance(pid.split("\\/")[0]);
      }
docs: FIXME: does not appear to be used anywhere