private HttpRequest getHttpRequest(Object[] args) {
        return ArrayArgumentUtils.getArgument(args, 0, HttpRequest.class);
    }
@author minwoo.jung
@author jaehong.kim
agent-module/plugins/httpclient4/src/main/java/com/navercorp/pinpoint/plugin/httpclient4/interceptor/HttpRequestExecutorExecuteMethodInterceptor.java