## imOnline
 
 AllGood()
- **interface**: `imOnline.AllGood`
- **summary**:    At the end of the session, no offence was committed. 
 
 HeartbeatReceived(`PalletImOnlineSr25519AppSr25519Public`)
- **interface**: `imOnline.HeartbeatReceived`
- **summary**:    A new heartbeat was received from `AuthorityId`. 
 
 SomeOffline(`Vec<(AccountId32,Null)>`)
- **interface**: `imOnline.SomeOffline`
- **summary**:    At the end of the session, at least one validator was found to be offline.