pub async fn upsert_peer_or_self_review_configs(
conn: &mut PgConnection,
existing_peer_reviews: &[Uuid],
peer_reviews: &[CmsPeerOrSelfReviewConfig],
remapped_exercises: &HashMap<Uuid, Exercise>,
retain_ids: bool,
) -> ModelResult<HashMap<Uuid, CmsPeerOrSelfReviewConfig>>