assertEquals("aaa bbb", getAsQuery("111", Collections.singletonMap(k, new String[] { "aaa bbb" })));
    }

    public void test_conditions_epq() {
        final String k = "epq";
        assertEquals("", getAsQuery(Collections.singletonMap(k, new String[] { "" })));
        assertEquals("\"aaa\"", getAsQuery(Collections.singletonMap(k, new String[] { "aaa" })));