String versionIndicator = ClickUtils.getResourceVersionIndicator(context);
headElements.add(new CssImport("/click/extras-control.css",
versionIndicator));
headElements.add(new JsImport("/click/control.js", versionIndicator));
headElements.add(new JsImport("/click/prototype/prototype.js",
versionIndicator));
headElements.add(new JsImport("/click/prototype/effects.js",
versionIndicator));
headElements.add(new JsImport("/click/prototype/controls.js",
versionIndicator));
}
// Note: the setup script is recreated and checked if it is contained in
// the headElement. This check cater for when the field is used by another