# File lib/couchrest/more/extended_document.rb, line 48
    def self.timestamps!
      class_eval "property(:updated_at, :read_only => true, :cast_as => 'Time', :auto_validation => false)\nproperty(:created_at, :read_only => true, :cast_as => 'Time', :auto_validation => false)\n\nsave_callback :before do |object|\nobject['updated_at'] = Time.now\nobject['created_at'] = object['updated_at'] if object.new_document?\nend\n", __FILE__, __LINE__
    end