AIsOfCatan.API.Intersection.ToArray C# (CSharp) Method

        public int[] ToArray()
        {
            return new int[] { FirstTile, SecondTile, ThirdTile };
        }

 private Edge GetEdgeBetween(Intersection first, Intersection second)
 {
     int[] result = first.ToArray().Where(i => second.ToArray().Contains(i)).ToArray();
     if (result.Length < 2) return null;
     return new Edge(result[0], result[1]);
 }