enum TRAFF_TYPE { TRAFF_UP = 0, TRAFF_DOWN, TRAFF_UP_DOWN, TRAFF_MAX };
+ static std::string ChangePolicyToString(CHANGE_POLICY change_policy);
+ static CHANGE_POLICY StringToChangePolicy(const std::string& value);
+
static std::string PeriodToString(PERIOD period);
static PERIOD StringToPeriod(const std::string& value);