width("100%");
height("1px");
backgroundColor("#0008");
}});
panel(builders.vspacer());
control(new RadioGroupBuilder("RadioGroup-1")); // the RadioGroup id is used to link radiobuttons logical together so that only one of them can be active at a certain time
panel(new PanelBuilder() {{
control(builders.createLabel("Radio Buttons"));
childLayoutHorizontal();
panel(new PanelBuilder() {{
childLayoutVertical();