public virtual Task<long> SelectHighestSequenceNrAsync(
	DbConnection connection,
	CancellationToken cancellationToken,
	string persistenceId
)

abstract SelectHighestSequenceNrAsync : 
        connection : DbConnection * 
        cancellationToken : CancellationToken * 
        persistenceId : string -> Task<int64> 
override SelectHighestSequenceNrAsync : 
        connection : DbConnection * 
        cancellationToken : CancellationToken * 
        persistenceId : string -> Task<int64>