advancedOptions.setWidget(4, 0, authCheck);
// Add advanced options to form in a disclosure panel
DisclosurePanel advancedDisclosure = new DisclosurePanel(
constants.moreOptions());
advancedDisclosure.setAnimationEnabled(true);
advancedDisclosure.ensureDebugId("cwDisclosurePanel");
advancedDisclosure.setContent(advancedOptions);
layout.setWidget(2, 0, advancedDisclosure);