class ReadOnlyFilteredCOSStream extends COSStream {

    @Override
    public IndirectCOSObjectIdentifier id() {
        return wrapped.id();
    }

      ReadOnlyFilteredCOSStream(COSDictionary existingDictionary, InputStream stream, long length);
    public  ReadOnlyFilteredCOSStream(COSDictionary existingDictionary, InputStreamSupplier<InputStream> stream,
            long length);

}