Google.Maps.DistanceMatrix.DistanceMatrixRequest.EnsureWaypointsDestination C# (CSharp) Method

        private SortedList<int, Location> EnsureWaypointsDestination()
        {
            if(_waypointsDestination == null)
            {
                _waypointsDestination = new SortedList<int, Maps.Location>();
            }
            return _waypointsDestination;
        }