CellUserSelectionModel.fromSelectionModel constructor
      
      CellUserSelectionModel.fromSelectionModel(
    
- UserSelectionModel original, {
- required IntVector2 anchor,
- required IntVector2 focus,
Create a CellUserSelectionModel from any UserSelectionModel given an
anchor and focus.
Implementation
factory CellUserSelectionModel.fromSelectionModel(
  UserSelectionModel original, {
  required IntVector2 anchor,
  required IntVector2 focus,
}) {
  return CellUserSelectionModel.fromAnchorFocus(
    id: original.id,
    anchor: anchor,
    focus: focus,
    style: original.style,
  );
}