static List<String> decodeAll(Collection<String> eventKeys){
  List<String> eventIds=Lists.newArrayList();
  for (  String eventKey : eventKeys) {
    decodeTo(eventKey,eventIds);
  }
  return eventIds;
}

static List < String > decodeAll ( Collection < String > eventKeys ) { List < String > eventIds = Lists . newArrayList ( ) ; for ( String eventKey : eventKeys ) { decodeTo ( eventKey , eventIds ) ; } return eventIds ; }
split databus event keys into eventstore event ids .
