}

    @Override
    public boolean setPosition(int position) {
        this.position = position;
        filterChildren(position);
        child = (position > 0 && position <= filteredChildren.size()) ? filteredChildren.get(position - 1) : null;
        return child != null;
    }

    private void filterChildren(int position) {
        for (; position > filteredChildren.size() && filteredIndex < children.size(); filteredIndex++) {