docs: @Nullable
    @OverrideOnDemand
    public IHCNode renderMenuItemExternal (@Nonnull final IWebPageExecutionContext aWPEC,
                                           @Nonnull final IMenuItemExternal aMenuItemExternal)
    {
      if (!aMenuItemExternal.matchesDisplayFilter ())
        return null;
  
      final Locale aDisplayLocale = aWPEC.getDisplayLocale ();
      final HCA ret = new HCA (aMenuItemExternal.getURL ());
      // Set window target (if defined)
      if (aMenuItemExternal.hasTarget ())
        ret.setTarget (new HC_Target (aMenuItemExternal.getTarget ()));
      ret.addChild (aMenuItemExternal.getDisplayText (aDisplayLocale));
      return ret;
    }