```ruby
module EndpointBase::Concerns
  module ResponseDSL
    extend ActiveSupport::Concern

    included do
      if EndpointBase.rails?
        include Helpers
      elsif EndpointBase.sinatra?
        helpers Helpers
      end
    end

    private

    module Helpers
      def add_value(name, value)
        @attrs ||= {}
        @attrs[name] = value
      end

      def add_parameter(name, value)
        @parameters ||= {}

        @parameters[name] = value
      end

      def set_summary(summary)
        add_value(:summary, summary)
      end

      def add_object(klass, object)
        raise "object[:id] cannot be empty" unless object[:id].present?

        @objects ||= Hash.new {|h,k| h[k] = []}
        @objects[klass.to_s.pluralize] << object
      end
    end
  end
end
```

Validate object[id] presence checking the id as a symbol and string
user
```ruby
module EndpointBase::Concerns
  module ResponseDSL
    extend ActiveSupport::Concern

    included do
      if EndpointBase.rails?
        include Helpers
      elsif EndpointBase.sinatra?
        helpers Helpers
      end
    end

    private

    module Helpers
      def add_value(name, value)
        @attrs ||= {}
        @attrs[name] = value
      end

      def add_parameter(name, value)
        @parameters ||= {}

        @parameters[name] = value
      end

      def set_summary(summary)
        add_value(:summary, summary)
      end

      def add_object(klass, object)
        raise 'object[id] cannot be empty' if object[:id].blank? && object['id'].blank?

        @objects ||= Hash.new { |h,k| h[k] = [] }

        @objects[klass.to_s.pluralize] << object
      end
    end
  end
end
```
assistant