@Test
  void injectBeanParam() throws Exception {
    final MethodMetadata methodMetadata =
        parseAndValidateMetadata(Jaxrs2Internals.class, "beanParameters", Input.class);
    assertThat(methodMetadata.template()).noRequestBody();
  }
Tests interfaces defined per {@link JAXRS2Contract} are interpreted into expected {@link feign
.RequestTemplate template} instances.
jaxrs2/src/test/java/feign/jaxrs2/JAXRS2ContractTest.java