public CeilingFanHighCommand(CeilingFan ceilingFan)
 {
     _ceilingFan = ceilingFan;
 }
 public CeilingFanLowCommand(CeilingFan ceilingFan)
 {
     _ceilingFan = ceilingFan;
 }
 public CeilingFanMediumCommand(CeilingFan ceilingFan)
 {
     _ceilingFan = ceilingFan;
 }
 public CeilingFanOffCommand(CeilingFan ceilingFan)
 {
     _ceilingFan = ceilingFan;
 }