@Test
  void resolveTemplateWithBinaryBody() {
    RequestTemplate template =
        new RequestTemplate()
            .method(HttpMethod.GET)
            .uri("{zoneId}")
            .body(new byte[] {7, 3, -3, -7}, null);
    template = template.resolve(mapOf("zoneId", "/hostedzone/Z1PA6795UKMFR9"));

    assertThat(template).hasUrl("/hostedzone/Z1PA6795UKMFR9");
  }
Avoid depending on guava solely for map literals.
core/src/test/java/feign/RequestTemplateTest.java