# File lib/fog/aws/requests/elb/create_lb_cookie_stickiness_policy.rb, line 35
        def create_lb_cookie_stickiness_policy(lb_name, policy_name, cookie_expiration_period=nil)
          if load_balancer = self.data[:load_balancers][lb_name]
            response = Excon::Response.new
            response.status = 200

            load_balancer['Policies']['LBCookieStickinessPolicies'] << { 'CookieExpirationPeriod' => cookie_expiration_period, 'PolicyName' => policy_name }

            create_load_balancer_policy(lb_name, policy_name, 'LBCookieStickinessPolicyType', {'CookieExpirationPeriod' => cookie_expiration_period})

            response.body = {
              'ResponseMetadata' => {
                'RequestId' => Fog::AWS::Mock.request_id
              }
            }

            response
          else
            raise Fog::AWS::ELB::NotFound
          end
        end