class DbParameterAccessors implements Iterable<DbParameterAccessor> {

    public List<String> getSortedAccessorNames() {
        SortedSet<DbParameterAccessor> nameSet = new TreeSet<>(new PositionComparator());
        nameSet.addAll(new ArrayList<>(accessors));
        List<String> nameList = new ArrayList<>();
        for (DbParameterAccessor p : nameSet) {
            nameList.add(p.getName());
        }
        return nameList;
    }

    public  DbParameterAccessors(DbParameterAccessor[] accessors);
    public  DbParameterAccessors();

}