public String param(String paramName) {
        return params.get(paramName);
    }
@Test
    void testRequestUrlParamAsEnum() {
        RequestUrl requestUrl = new MatchUrl("/api/jobs/enqueued?offset=2&limit=2").toRequestUrl("/api/jobs/:state");
        assertThat(requestUrl.param(":state", StateName.class)).isEqualTo(ENQUEUED);
    }