public function getRoleNamesAsArray()
    {

        // initialize the array for the role names
        $roleNames = array();

        // prepare the role names
        /** @var AppserverIo\Appserver\Core\Api\Node\RoleNameNode $roleName */
        foreach ($this->getRoleNames() as $roleName) {
            $roleNames[] = $roleName->__toString();
        }

        // return the array with the role names
        return $roleNames;
    }