class ApplicationStartingSolon implements ApplicationListener<ApplicationStartingEvent> {
    @Override
    public void onApplicationEvent(ApplicationStartingEvent event) {<FILL_FUNCTION_BODY>}
}

        if (event.getSource() instanceof SpringApplication) {
            SpringApplication sa = (SpringApplication) event.getSource();

            Solon.start(sa.getMainApplicationClass(), event.getArgs());
        }
    
<no_super_class>