private function addContentsRights(array $config, UserSecurityIdentity $securityIdentity)
    {
        $rights = $this->getActionsOnResources($config);
        foreach ((array) $rights as $resource => $actions) {
            if ('all' === $resource) {
                $this->addClassAcl(AbstractClassContent::class, $securityIdentity, $actions);
                $this->writeln(sprintf('    - Setting [%s] on all content', implode(', ', $actions)), OutputInterface::VERBOSITY_DEBUG);
                continue;
            }

            try {
                $classname = AbstractClassContent::getFullClassname($resource);
                if (class_exists($classname)) {
                    $this->addClassAcl($classname, $securityIdentity, $actions);
                    $this->writeln(sprintf('    - Setting [%s] on %s', implode(', ', $actions), $cclassname), OutputInterface::VERBOSITY_DEBUG);
                }
            } catch (\Exception $ex) {
                $this->writeln(sprintf('    - Unknown content `%s`', $classname), OutputInterface::VERBOSITY_DEBUG);
            }
        }
    }