public void go() {
        final StackPane region = (StackPane) tabPane.lookup(".headers-region");
        ImageView imageView = new ImageView();
        Image image = new Image("test.png");
        imageView.setImage(image);
        region.getChildren().add(imageView);
    }

    
    public static void addHelpImageToTabPane(TabPane tabPane, String url, IconSize iconSize){
        Platform.runLater(() -> {
            StackPane region = (StackPane) tabPane.lookup(".tab-pane:top *.tab-header-area");
            if (region!=null) {
                for (Node node : region.getChildren()) {
                    if (node instanceof StackPane) {
                        HelpImage helpImage = new HelpImage();
                        helpImage.setIconSize(iconSize);
                        helpImage.setLinkUrl(url);
                        HBox hbox = new HBox();
                        hbox.setPadding(new Insets(0,5,0,0));
                        hbox.setAlignment(Pos.CENTER_RIGHT);
                        hbox.getChildren().add(helpImage);
                        ((StackPane) node).getChildren().add(hbox);
                        break;
                    }
                }
            }
        });
    }

    public HelpImage() {
        refresh();
        this.setPickOnBounds(true);
        this.addEventHandler(MouseEvent.MOUSE_CLICKED, event -> openUrl(this.getLinkUrl()));
        this.addEventHandler(MouseEvent.MOUSE_EXITED_TARGET, event -> this.setImage(getNormalIcon(getIconSize())));
        this.addEventHandler(MouseEvent.MOUSE_ENTERED_TARGET, event -> this.setImage(getEnteredIcon(getIconSize())));
    }