### Question:
FakeClassnameTags123Api { public Client testClassname(Client body) throws RestClientException { return testClassnameWithHttpInfo(body).getBody(); } FakeClassnameTags123Api(); @Autowired  FakeClassnameTags123Api(ApiClient apiClient); ApiClient getApiClient(); void setApiClient(ApiClient apiClient); Client testClassname(Client body); ResponseEntity<Client> testClassnameWithHttpInfo(Client body);  }### Answer:
@Test public void testClassnameTest() { Client body = null; Client response = api.testClassname(body); }