def cookie_jar
      return @cookie_jar if defined?(@cookie_jar) && @cookie_jar

      jar = @request.cookie_jar.dup
      headers.fetch(:set_cookie, []).each do |cookie|
        jar.parse(cookie, @request.uri)
      end

      @cookie_jar = jar
    end
def cookie_jar
      return @cookie_jar if defined?(@cookie_jar) && @cookie_jar

      jar = @request.cookie_jar.dup
      headers.fetch(:set_cookie, []).each do |cookie|
        jar.parse(cookie, @request.uri)
      end

      @cookie_jar = jar
    end
Cookie jar extracted from response headers.

 @return [HTTP::CookieJar]