/// <summary>
/// hexagon neighbors in all directions
/// </summary>
public static void KRing(H3Index origin, int k, out List <H3Index> outCells)
{
outCells = origin.KRing(k);
}
/// <summary>
/// hexagon neighbors in all directions
/// </summary>
public static void KRing(H3Index origin, int k, out List <H3Index> outCells)
{
outCells = origin.KRing(k);
}