map.put("aaa_bbb_ccc", "333");
        map.put("ccc.ddd", "444");
        return new ParamMap<>(map);
    }

    private ParamMap<Object, Object> createCamelMap() {
        final Map<Object, Object> map = new HashMap<>();
        map.put("aaa", "111");
        map.put("aaaBbb", "222");
        map.put("aaaBbbCcc", "333");
        map.put("ccc.ddd", "444");
        return new ParamMap<>(map);
    }

        assertThat(i.next(), is("ccc"));
        assertThat(i.next(), is("aaa"));
        lru.put("ddd", "444");
        assertThat(lru.size(), is(3));
        assertThat(lru.get("bbb"), is(nullValue()));
        i = lru.keySet().iterator();
        assertThat(i.next(), is("ccc"));
        assertThat(i.next(), is("aaa"));
        assertThat(i.next(), is("ddd"));
    }

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

    public void test_conditions_eq() {