def deprecate(*method_names)
        options = method_names.extract_options!
        method_names = method_names + options.keys
        method_names.each do |method_name|
          alias_method_chain(method_name, :deprecation) do |target, punctuation|
            class_eval(<<-EOS, __FILE__, __LINE__)
              def #{target}_with_deprecation#{punctuation}(*args, &block)
                ::ActiveSupport::Deprecation.warn(self.class.deprecated_method_warning(:#{method_name}, #{options[method_name].inspect}), caller)
                #{target}_without_deprecation#{punctuation}(*args, &block)
              end
            EOS
          end
        end
      end