docs: static String convertURLToString(URL url) {
  		if (URISchemeType.FILE.isURL(url)) {
  			final StringBuilder externalForm = new StringBuilder();
  			externalForm.append(url.getPath());
  			final String ref = url.getRef();
  			if (!Strings.isEmpty(ref)) {
  				externalForm.append("#").append(ref); //$NON-NLS-1$
  			}
  			return externalForm.toString();
  		}
  		return url.toExternalForm();
  	}