// mmma5 JoinFetcher (Caution: generates duplicates, query should be set in distinct mode)
  public static <X> void JoinFetcher(FetchParent<X, AssortmentEntity> fetchParent) {
    // Important: Here use ONLY JoinType.LEFT
    // (even if the relation is required/1-1, because, recursively, this method can be called from a
    // parent entity on an optional relation)

    fetchParent.fetch(AssortmentEntity_.product, JoinType.LEFT); // mmma3
    fetchParent.fetch(AssortmentEntity_.seasonality, JoinType.LEFT); // mmma3
    // mmma5 generate duplicates:
    fetchParent.fetch(AssortmentEntity_.stocksReserved, JoinType.LEFT); // mmma3
  }