docs: @Nonnull
    public static String getURIWithContext (@Nonnull final String sHRef)
    {
      ValueEnforcer.notNull (sHRef, "HRef");
  
      // If known protocol, keep it
      if (hasKnownProtocol (sHRef))
        return sHRef;
  
      final String sContextPath = ServletContextPathHolder.getContextPath ();
      return _getURIWithContext (sContextPath, sHRef);
    }