/**
* @return Grav
*/
public static function getGrav()
{
if (!self::$grav) {
self::$grav = Grav::instance();
}
return self::$grav;
}
/**
* @param Grav $grav
*/
public static function setGrav(Grav $grav)
{
self::$grav = $grav;
}
