/// <summary>
 /// Adds navigation point.
 /// </summary>
 /// <param name="point">Point to add.</param>
 /// <param name="index">Relative index of added navigation point.</param>
 public void Add(LazyBot.Navigation.Data.NavigationPoint point, ref int index)
 {
     index = Points.Count;
     _points.Add(point);
 }
 /// <summary>
 /// Adds navigation point.
 /// </summary>
 /// <param name="point">Point to add.</param>
 public void Add(LazyBot.Navigation.Data.NavigationPoint point)
 {
     _points.Add(point);
 }