# from core.alarm_plan import  AlarmPlan
# from core.alarm_plan_manager import  AlarmPlanManager
# from core.alarm_plan_manager import  AlarmPlanDispatcher

from typing import TYPE_CHECKING
if TYPE_CHECKING:
    from core.alarm_plan import AlarmPlan
    from core.alarm_plan_manager import AlarmPlanManager
    from core.alarm_plan_dispatcher import AlarmPlanDispatcher

# 全局变量
g_alarm_plan_mgr: "AlarmPlanManager"        = None  # 告警计划管理器
g_alarm_plan_disp: "AlarmPlanDispatcher"    = None  # 告警计划分发器