@Test
public void serializeComplex() {
// given
Multimap<HttpMethod, RestParameter> map = LinkedHashMultimap.create();
map.put(HttpMethod.GET, new RestParameter("a", 1));
map.put(HttpMethod.GET, new RestParameter("b", false));
map.put(HttpMethod.POST, new RestParameter("c", "some string"));
map.put(HttpMethod.POST, new RestParameter("d", 29L));
// when
String serialized = serializer.serialize(map);
// then