class ExtractPagesParameters extends MultiplePdfSourceMultipleOutputParameters implements PageRangeSelection,
        PagesSelection, OptimizableOutputTaskParameters, DiscardableOutlineTaskParameters {

    @Override
    public Set<PageRange> getPageSelection() {
        return Collections.unmodifiableSet(pageSelection);
    }

    public  ExtractPagesParameters();
    public  ExtractPagesParameters(PredefinedSetOfPages predefinedSetOfPages);

}