+ RAN_CONNECTED = C.RAN_CONNECTED
+ RAN_RESTARTED = C.RAN_RESTARTED
+ RAN_RECONFIGURED = C.RAN_RECONFIGURED
+ E2_TERM_KEEP_ALIVE_REQ = C.E2_TERM_KEEP_ALIVE_REQ
+ E2_TERM_KEEP_ALIVE_RESP = C.E2_TERM_KEEP_ALIVE_RESP
+ RIC_E2_SETUP_REQ = C.RIC_E2_SETUP_REQ
+ RIC_E2_SETUP_RESP = C.RIC_E2_SETUP_RESP
+ RIC_E2_SETUP_FAILURE = C.RIC_E2_SETUP_FAILURE