public void onAsyncResponse(ConsumerConfig config, SofaRequest request, SofaResponse response, Throwable exception)
        throws SofaRpcException {
    }
Do filtering after asynchronous respond, only supported in CONSUMER SIDE. <p>

Because when do async invoke, the code after invoke has been executed after invoker return dummy empty response.
We need execute filter code after get true response from server.<p>

NOTICE: The thread run {@link #onAsyncResponse} is different with the thread run {@link #invoke}

@param config    ConsumerConfig, READ ONLY PLEASE.
@param request   Request
@param response  Response from server (if exception is null)
@param exception Exception from server (if response is null)
@throws SofaRpcException Other rpc exception
@see #invoke(FilterInvoker, SofaRequest)
@see SofaRequest#isAsync()
core/api/src/main/java/com/alipay/sofa/rpc/filter/Filter.java