public static DateRange RangeFuture(this DateTime? dt, ulong unitCount, TimeUnits unit)
 {
     return unit.Future(unitCount, dt);
 }
 public static DateRange RangeFuture(this DateTime?dt, ulong unitCount, TimeUnits unit)
 {
     return(unit.Future(unitCount, dt));
 }
 /// <summary>
 /// Warning: bug found. dt.Offset may be incorrect as offsets could be different if range crosses daylight saving switch, i.e. October - December, or month of November in the EST USA.
 /// </summary>
 /// <param name="dt"></param>
 /// <param name="unitCount"></param>
 /// <param name="unit"></param>
 /// <returns></returns>
 public static TimeMomentRange RangeFuture(this DateTimeOffset? dt, ulong unitCount, TimeUnits unit)
 {
     return unit.Future(unitCount, dt);
 }
 /// <summary>
 /// Warning: bug found. dt.Offset may be incorrect as offsets could be different if range crosses daylight saving switch, i.e. October - December, or month of November in the EST USA.
 /// </summary>
 /// <param name="dt"></param>
 /// <param name="unitCount"></param>
 /// <param name="unit"></param>
 /// <returns></returns>
 public static TimeMomentRange RangeFuture(this DateTimeOffset?dt, ulong unitCount, TimeUnits unit)
 {
     return(unit.Future(unitCount, dt));
 }