.setLabel(Model.of("Github"))
.setTarget(BootstrapExternalLink.Target.blank)
.setIconType(GlyphIconType.export),
newAddonsDropDownButton())
);
navbar.addComponents(new NavbarText(navbar.newExtraItemId(), "Plain text").position(Navbar.ComponentPosition.RIGHT));
DropDownButton dropdown = new NavbarDropDownButton(Model.of("Themes")) {
@Override
public boolean isActive(Component item) {
return false;