public void copy(ReviewDb db,ChangeControl ctl,PatchSet ps) throws OrmException {
  copy(db,ctl,ps,Collections.<PatchSetApproval>emptyList());
}

public void copy ( ReviewDb db , ChangeControl ctl , PatchSet ps ) throws OrmException { copy ( db , ctl , ps , Collections . < PatchSetApproval > emptyList ( ) ) ; }
apply approval copy settings from prior patchsets to a new patchset .
