@Override
    public AgentHistogramList selectResponseTimeHistogramData(Application application, TimeWindow timeWindow) {
        List<ResponseTime> responseTimes = mapResponseDao.selectResponseTime(application, timeWindow);
        return AgentHistogramList.newBuilder().build(application, responseTimes);
    }
@author HyunGil Jeong
@author jaehong.kim
web/src/main/java/com/navercorp/pinpoint/web/applicationmap/service/ResponseTimeHistogramServiceImpl.java