src/Service/ResponseConfigurator.php
public function configure(Response $response, \DateTime $last_modified, $lifetime)
    {
        $request = $this->request_stack->getMasterRequest();

        if (!($request instanceof Request)) {
            return $response;
        }

        // order is important
        $this
            ->setPrivateCache($response, $request)
            ->setLastModified($response, $last_modified)
            ->setLifetime($response, $lifetime)
            ->setEtag($response);

        return $response;
    }
public function configure(Response $response, \DateTime $last_modified, $lifetime)
    {
        $request = $this->request_stack->getMasterRequest();

        if (!($request instanceof Request)) {
            return $response;
        }

        // order is important
        $this
            ->setPrivateCache($response, $request)
            ->setLastModified($response, $last_modified)
            ->setLifetime($response, $lifetime)
            ->setEtag($response);

        return $response;
    }
public function configure ( Response $ response , \ DateTime $ last_modified , $ lifetime ) { $ request = $ this -> request_stack -> getMasterRequest ( ) ; if ( ! ( $ request instanceof Request ) ) { return $ response ; } // order is important $ this -> setPrivateCache ( $ response , $ request ) -> setLastModified ( $ response , $ last_modified ) -> setLifetime ( $ response , $ lifetime ) -> setEtag ( $ response ) ; return $ response ; }
Configure response.

Set $lifetime as < 0 for not set max-age

@param Response $response
@param \DateTime $last_modified
@param int $lifetime

@return Response
Configure response .