public virtual Task<SelectedSnapshot> SelectSnapshotAsync(
	DbConnection connection,
	CancellationToken cancellationToken,
	string persistenceId,
	long maxSequenceNr,
	DateTime maxTimestamp
)

abstract SelectSnapshotAsync : 
        connection : DbConnection * 
        cancellationToken : CancellationToken * 
        persistenceId : string * 
        maxSequenceNr : int64 * 
        maxTimestamp : DateTime -> Task<SelectedSnapshot> 
override SelectSnapshotAsync : 
        connection : DbConnection * 
        cancellationToken : CancellationToken * 
        persistenceId : string * 
        maxSequenceNr : int64 * 
        maxTimestamp : DateTime -> Task<SelectedSnapshot>