+uint8_t duProcUeContextModReq(DuUeCb *ueCb);
+uint8_t BuildAndSendUeContextModResp(uint8_t ueIdx, uint8_t cellId);
+uint8_t duBuildAndSendUeContextModReq(uint16_t cellId, uint16_t crnti, DuUeCfg *duUeCfg);
+uint8_t BuildAndSendUeContextReleaseReq(uint16_t cellId, uint8_t ueIdx);