static List<File> tidyDatabaseList(List<File> databaseFiles){
  List<File> tidiedList=new ArrayList<>();
  for (  File databaseFile : databaseFiles) {
    tidiedList.add(databaseFile);
  }
  return tidiedList;
}

static List < File > tidyDatabaseList ( List < File > databaseFiles ) { List < File > tidiedList = new ArrayList < > ( ) ; for ( File databaseFile : databaseFiles ) { tidiedList . add ( databaseFile ) ; } return tidiedList ; }
attempt to smartly eliminate uninteresting shadow databases such as - journal and - uid . note that this only removes the database if it is true that it shadows another database lacking the uninteresting suffix .
