public RuleVerifierManager() {
PrettyFormLayout form = new PrettyFormLayout();
form.addHeader( DroolsGuvnorImages.INSTANCE.ruleVerification(),
new HTML( Constants.INSTANCE.EditRulesVerificationConfiguration() ) );
form.startSection( Constants.INSTANCE.AutomaticVerification() );
final CheckBox enableOnlineValidator = new CheckBox();
enableOnlineValidator.setValue( WorkingSetManager.getInstance().isAutoVerifierEnabled() );
form.addAttribute( Constants.INSTANCE.Enabled(),
enableOnlineValidator );