void doEnum(final ArrayList list, final boolean files, String wildcard, int searchAttributes, final SmbFilenameFilter fnf,
            final SmbFileFilter ff) throws SmbException {
        if (ff instanceof final DosFileFilter dff) {
            if (dff.wildcard != null) {
                wildcard = dff.wildcard;
            }
            searchAttributes = dff.attributes;
        }

        try {