# File lib/big_record/br_associations.rb, line 18
      def has_many_big_records(association_id, options = {}, &extension)
        reflection = create_has_many_big_records_reflection(association_id, options, &extension)

        configure_dependency_for_has_many(reflection)

        if options[:through]
          collection_reader_method(reflection, HasManyThroughAssociation)
        else
          add_association_callbacks(reflection.name, reflection.options)
          collection_accessor_methods(reflection, HasManyAssociation)
        end
      end