def to_s
      owner_class = @machine.owner_class
      owner_class_name = owner_class.name && !owner_class.name.empty? ? owner_class.name : owner_class.to_s
      "#{owner_class_name} #{@machine.name.inspect} #{@kind} helpers"
    end
def to_s
      owner_class = @machine.owner_class
      owner_class_name = owner_class.name && !owner_class.name.empty? ? owner_class.name : owner_class.to_s
      "#{owner_class_name} #{@machine.name.inspect} #{@kind} helpers"
    end
:nodoc:
 Provides a human-readable description of the module