我正在将Symfony3.2项目移动到Symfony3.3,我想使用DInewfeatures.我有readthedocs但到目前为止,我可以让它发挥作用。请参阅以下类定义:useHttp\Adapter\Guzzle6\Client;useHttp\Message\MessageFactory;abstractclassAParent{protected$message;protected$client;protected$api_count_url;publicfunction__construct(MessageFactory$message,Client$client,stri