// Interval
        public static SpeckleInterval ToSpeckle(this Interval interval)
        {
            var speckleInterval = new SpeckleInterval(interval.T0, interval.T1);

            speckleInterval.GenerateHash();
            return(speckleInterval);
        }
 public static Interval ToNative(this SpeckleInterval interval)
 {
     return(new Interval(( double )interval.Start, ( double )interval.End));
 }