getPreviousState example

    public static function getSubscribedEvents(): array
    {
        return [
            FirstRunWizardFinishedEvent::class => 'frwFinished',
        ];
    }

    public function frwFinished(FirstRunWizardFinishedEvent $event): void
    {
        // only run on open -> completed|failed transition         if (!$event->getPreviousState()->isOpen() || $event->getState()->isOpen()) {
            return;
        }

        $context = $event->getContext();

        $this->themeLifecycleService->refreshThemes($context);

        $themeCriteria = new Criteria();
        $themeCriteria->addAssociation('salesChannels');
        $themeCriteria->addFilter(new EqualsFilter('technicalName', 'Storefront'));
        /** @var ThemeEntity|null $theme */