Optional rel
rel: undefined | null | "barrierfree" | "teaser" | "destination" | "date" | "dayoff" | "directions" | "long" | "short" | "highlight" | "insidertip" | "openinghours" | "equipment" | "roominfo" | "pricerange" | "classification" | "convention" | "games" | "styles" | "meals" | "mealsavail" | "paymentinfo" | "clubinfo" | "guestinfo" | "cinemainfo" | "program" | "parking" | "rentalcar" | "schedule" | "additional" | "details" | "kitchen"
Properties of a MetaLightText.