我正在使用phpleague的分形包。我有一个像这样的转换类设置classConversationTransformerextendsTransformerAbstract{publicfunctiontransform(Conversation$conversation,$user){return[];}}然而，当我尝试访问它时，我得到了missingargument2exceptionfortransform$user=$this->people->get($this->user());//conversations$conversations=$this->conversatio