```ruby
module Spree
  module Core
    module ControllerHelpers
      def self.included(base)
        base.class_eval do
          include Spree::Core::ControllerHelpers::Common
          include Spree::Core::ControllerHelpers::Auth
          include Spree::Core::ControllerHelpers::Order
        end
      end
    end
  end
end
```

Add Spree::Core::ControllerHelpers which can be included to include all its submodules
user
```ruby
module Spree
  module Core
    module ControllerHelpers
      def self.included(klass)
        klass.class_eval do
          include Spree::Core::ControllerHelpers::Common
          include Spree::Core::ControllerHelpers::Auth
          include Spree::Core::ControllerHelpers::RespondWith
          include Spree::Core::ControllerHelpers::Order
        end
      end
    end
  end
end
```
assistant