public void SkippedChange(ShiftModel shiftModel)
 {
     RemovedChange(shiftModel);
     _skipped.TryAdd(shiftModel, shiftModel);
 }
 private void RemovedChange(ShiftModel shiftModel)
 {
     _created.TryRemove(shiftModel, out var created);
     _updated.TryRemove(shiftModel, out var updated);
     _deleted.TryRemove(shiftModel, out var deleted);
 }
 public void FailedChange(ShiftModel shiftModel)
 {
     RemovedChange(shiftModel);
     _failed.TryAdd(shiftModel, shiftModel);
 }