final String k = "epq";
        assertEquals("\"a\\\"aa\"", getAsQuery(Collections.singletonMap(k, new String[] { "a\"aa" })));
    }

    public void test_complexConditions() {
        final Map<String, String[]> conditions = new HashMap<>();
        conditions.put("q", new String[] { "search term" });
        conditions.put("epq", new String[] { "exact phrase" });