# File lib/dragonfly/configurable.rb, line 8
    def self.included(klass)
      klass.class_eval do
        include Configurable::InstanceMethods
        extend Configurable::ClassMethods

        # We should use configured_class rather than self.class
        # because sometimes this will be the eigenclass of an object
        # e.g. if we configure a module, etc.
        define_method :configured_class do
          klass
        end
      end
    end