Data::Localize::Storage::BerkeleyDB - BerkeleyDB Backend

    use Data::Localize::Storage::BerkeleyDB;

    Data::Localize::Storage::BerkeleDB->new(
        bdb_class => 'Hash', # default
        bdb_args  => {
            -Filename => ....
            -Flags    => BerkeleyDB::DB_CREATE
        }
    );