NewStatisticsController create a new StatisticsController.

AggCount 聚合key包含的事件组数量.

EventByDatetimeCount 周期内事件数量统计返回对象.

EventGroupAggByDatetimeCount 时间范围内事件组聚合数量.

EventRelationNotesResp 事件关联备注响应对象.

EventSearch is search conditions for messages.

EventsResp is a response object for Events API.

MessageGroupByDatetimeCount 周期内事件组数量.

RuleForm is a form object using create or update rule.

RuleTriggerForm is a form object using to hold a trigger.

StatisticsController 统计功能.