+ActionInfo *fetchActionInfoFromActionId(uint8_t actionId, RicSubscription *ricSubscriptionInfo);
+RicSubscription *fetchSubsInfoFromRicReqId(RicRequestId ricReqId, RanFunction *ranFuncDb, CmLList **ricSubscriptionNode);
+RanFunction *fetchRanFuncFromRanFuncId(uint16_t ranFuncId);
+uint8_t fetchSubsInfoFromSubsId(uint64_t subscriptionId, RanFunction **ranFuncDb, CmLList **ricSubscriptionNode, \
+ RicSubscription **ricSubscriptionInfo);
+
+uint8_t fillRicSubsInMacStatsReq(MacStatsReq *macStatsReq, RicSubscription* ricSubscriptionInfo);
+uint8_t e2ProcStatsRsp(MacStatsRsp *statsRsp);
+uint8_t e2ProcStatsInd(MacStatsInd *statsInd);
+void E2apHdlRicSubsReportTmrExp(RicSubscription *ricSubscription);
+
+uint8_t ResetE2Request(E2ProcedureDirection dir, E2FailureCause resetCause);