assertNull(sentIndex.get());

        sentIndex.set(null);
        sentDocList.clear();
        docList.add(new HashMap<>(Map.of(//
                "_id", "001", //
                "config_id", "W01", //
                "url", "http://test.com/001"//
        )));
        docList.add(new HashMap<>(Map.of(//
                "_id", "002", //
                "thumbnail", "http://test.com/002", //

contains:/images/
contains:?
contains:\\.xml$
# test
regexp:/([^/]*)/\\1/\\1/
.gif$
.jpg$
.jpeg$
.png$
regexpIgnoreCase:\\.dll$
regexpIgnoreCase:\\.exe$
/?S=A$
/?S=D$
contains:\001
contains:\002
contains:\003
.html/$

          ]]></bad_urls>
			<good_urls><![CDATA[
https://fess.codelibs.org/
https://www.codelibs.org/
https://www.n2sm.net/
smb://storage/

        assertEscapePattern("\\Qsmb://server/test/\\E.*", "smb://server/test/");
        assertEscapePattern(".*\\Q?\\E.*", "contains:?");
        assertEscapePattern(".*\\Q\001\\E.*", "contains:\001");
        assertEscapePattern("(?i).*\\.exe$", "regexpIgnoreCase:\\.exe$");
        assertEscapePattern("(?i)index.html", "regexpIgnoreCase:index.html");
        assertEscapePattern(".*\\.exe$", "regexp:\\.exe$");