class FakeApi {

    public Client testClientModel(Client body) throws IOException {
        HttpResponse response = testClientModelForHttpResponse(body);
        TypeReference<Client> typeRef = new TypeReference<Client>() {};
        return apiClient.getObjectMapper().readValue(response.getContent(), typeRef);
    }

    public  FakeApi();
    public  FakeApi(ApiClient apiClient);

}