public ThucydidesEnabledExtension() {
}
public void visitSpecAnnotation(ThucydidesEnabled annotation, SpecInfo spec) {
agent = new ThucydidesAgent(optionalDriverFrom(annotation),
Listeners.getLoggingListener(),
Listeners.getStatisticsListener());
spec.addListener(new ThucydidesRunListener(agent));
spec.getInitializerMethod().addInterceptor(new ThucydidesInterceptor(agent));
}