Raptor
fun <out ProjectionId : RaptorAggregateProjectionId, out Projection : RaptorProjection<ProjectionId>, out Change : RaptorAggregateChange<ProjectionId>> RaptorAggregateProjectionEventBatch(events: List<RaptorAggregateProjectionEvent<ProjectionId, Projection, Change>>, projectionId: ProjectionId, version: Int)