{
List<ComplexResourceKey<ComplexArray, ComplexArray>> complexKeys = getBatchCompleKeys();
ComplexArrayBuilders builders = new ComplexArrayBuilders(options);
Request<BatchKVResponse<ComplexResourceKey<ComplexArray, ComplexArray>, Greeting>> request2 =
builders.batchGet().ids(complexKeys).buildKV();
Response<BatchKVResponse<ComplexResourceKey<ComplexArray, ComplexArray>, Greeting>> response2 =
REST_CLIENT.sendRequest(request2).getResponse();
Greeting greeting1 = response2.getEntity().getResults().get(complexKeys.get(0));