public void removeHold(Object key){
  KeyedHold oldHold=keyedHolds.get(key);
  if (oldHold != null) {
    allHolds.remove(oldHold);
  }
}

public void removeHold ( Object key ) { KeyedHold oldHold = keyedHolds . get ( key ) ; if ( oldHold != null ) { allHolds . remove ( oldHold ) ; } }
removes the hold of the provided key .
