} else {
                share = null;
                unc = "\\";
            }
        }
        return unc;
    }
/**
 * Retuns the Windows UNC style path with backslashs intead of forward slashes.
 *
 * @return  The UNC path.
 */
    public String getUncPath() {
        getUncPath0();
        if( share == null ) {
            return "\\\\" + url.getHost();
        }

      return Ordering.from(forward).reverse();
    }

    @Override
    @ParametricNullness
    public K firstKey() {
      return forward().lastKey();
    }

    @Override
    @ParametricNullness
    public K lastKey() {
      return forward().firstKey();
    }

    @Override
    @CheckForNull