# File lib/aws/s3/acl_object.rb, line 188
        def object_list_setter(klass, method_name)
          define_method("#{method_name}=") do |value|
            validate_input(method_name, value)
            list = value.map do |member|
              if member.kind_of?(Hash)
                klass.new(member)
              else
                member
              end
            end
            instance_variable_set("@#{method_name}", list)
          end
        end