code: public void setAncestorToSave(QPath newAncestorToSave)
     {
        if (!ancestorToSave.equals(newAncestorToSave))
        {
           isNeedReloadAncestorToSave = true;
        }
        this.ancestorToSave = newAncestorToSave;
     }
docs: Set new ancestorToSave.
  
  @param newAncestorToSave