private AgentEventBo newAgentEventBo(String agentId, long startTimestamp, long eventTimestamp, AgentEventType eventType) {
        final AgentEventBo agentEventBo = new AgentEventBo(agentId, startTimestamp, eventTimestamp, eventType);
        agentEventBo.setEventBody(new byte[0]);
        return agentEventBo;
    }
@author HyunGil Jeong
@author jaehong.kim - Remove AgentEventMessageSerializer
collector/src/main/java/com/navercorp/pinpoint/collector/service/async/AgentEventAsyncTaskService.java