@Test
  void resolveTemplateWithBaseAndParameterizedIterableQuery() {
    RequestTemplate template =
        new RequestTemplate()
            .method(HttpMethod.GET)
            .uri("/?Query=one")
            .query("Queries", "{queries}");

    template = template.resolve(mapOf("queries", Arrays.asList("us-east-1", "eu-west-1")));

    assertThat(template)
        .hasQueries(
            entry("Query", Collections.singletonList("one")),
            entry("Queries", asList("us-east-1", "eu-west-1")));
  }
Avoid depending on guava solely for map literals.
core/src/test/java/feign/RequestTemplateTest.java