const Area &AreaAt(const geometry::Vector<int> &) const;
const Tile &TileAt(const geometry::Vector<int> &) const;
Trigger *TriggerAt(const geometry::Vector<int> &);
const Area &AreaAt(const geometry::Vector<int> &) const;
const Tile &TileAt(const geometry::Vector<int> &) const;
Trigger *TriggerAt(const geometry::Vector<int> &);