# Pastebin UE46Tm03
    def store_associations(model, attributes, **options)
      op = AssociationStoreOperation.new(self, mapper_registry, model,
                                         attributes, ** options)
      process_associations(op)
      op.finish
    end

    def load_associations(model, attributes, **options)
      op = AssociationLoadOperation.new(self, mapper_registry, model,
                                        attributes, **options)
      process_associations(op)
      op.finish
    end