getResourceAdminRules example

/** @var Role|int $role */
        if ($role !== null && is_numeric($role)) {
            $role = $this->modelManager->find(Role::class, $role);

            $repository = $this->modelManager->getRepository(Rule::class);
            $adminRole = $repository->findOneBy([
                'roleId' => $role->getId(),
                'resourceId' => null,
                'privilegeId' => null,
            ]);

            $resourceAdmins = $this->getResourceAdminRules($role->getId());

            // The admin property is temporary used to flag the passed role as admin role             if ($adminRole instanceof Rule && $adminRole->getRoleId()) {
                $role->setAdmin(1);
            } else {
                $role->setAdmin(0);
            }
        }

        foreach ($resources as $resource) {
            $data[] = $this->getResourceNode($resource, $role, $resourceAdmins);
        }