routing
fun routing(types: Collection<AggregateType>, storeOf: (AggregateType) -> String? = { null }, backendOf: (AggregateType) -> SnapshotQueryBackend?): SnapshotQueryBackend
The backend of each aggregate type's snapshot store, storeOf: backendOf gives it, null when its store has none, whose snapshots are then not servesd and have no binding. NONE when no type's store has one.