code: public void unRegisterActivitPauseEvent(IActivityPauseCallback callback) {
          HMSAgentLog.d("unRegisterOnPause:" + StrUtils.objDesc(callback));
          pauseCallbacks.remove(callback);
      }
docs: 反注册activity onPause事件回调 | unregistration activity OnPause Event Callback
  @param callback 已经注册的 activity onPause事件回调 | Registered Activity OnPause Event callback