position property
      
      Offset?
      get
      position
      
    
    
Gets or Sets the pointer offset value.
Implementation
Offset? get position => _position;
      
      set
      position
      (Offset? value) 
      
    
    
    
Implementation
set position(Offset? value) {
  if (_position == value) {
    return;
  }
  _position = value;
  notifyListeners();
}