VerticalBarElement
The vertical bar element can be used like a separator between elements in the layout.

...
var aLinearLayout = new LinearListLayout("horizontal","wrap");
aLinearLayout.setAlignment("center","center");
aLinearLayout.pushElement(new TextElement("One"));
aLinearLayout.pushElement(new VerticalBarElement().setHeight("30").setWidth("4"));
aLinearLayout.pushElement(new TextElement("Two"));
...