throwAssignmentException example

    private function validateThemeAssignment(?string $themeId): void
    {
        if (!$themeId) {
            return;
        }

        if ($this->themeService->getThemeDependencyMapping($themeId)->count() === 0) {
            return;
        }

        $this->throwAssignmentException($themeId);
    }

    private function changeThemeActive(ThemeDependencies $themeData, bool $active, Context $context): void
    {
        if ($themeData->getId() === null) {
            return;
        }

        $data = [];
        $data[] = ['id' => $themeData->getId(), 'active' => $active];