project
fun projectAndPersist(propositions: List<Proposition>): <Error class: unknown class><ProjectionResults<ProjectedRelationship>, RelationshipPersistenceResult>
Projects the given propositions to graph relationships and persists them. When a recordStore is configured, one ProjectionRecord is emitted per result, all sharing a single run ID for the batch.
Return
projection results paired with persistence results
Parameters
propositions
propositions to project and persist