private static @NotNull HtmlChunk getLocationString(@Nls @NotNull String locationString) {
    Color color = ExperimentalUI.isNewUI() ? JBUI.CurrentTheme.ContextHelp.FOREGROUND : SimpleTextAttributes.GRAY_ATTRIBUTES.getFgColor();
    return HtmlChunk.text(locationString).
      wrapWith("font").attr("color", "#" + ColorUtil.toHex(color));
  }
private static @NotNull HtmlChunk getLocationString(@Nls @NotNull String locationString)