我遇到以下代码无法在kotlin中编译的问题。//StateModel.ktsealedclassStateModelclassLoading:StateModel()dataclassSuccess(valdata:T):StateModel()dataclassMyError(valmessage:String):StateModel()//StateModelTransformer.ktclassStateModelTransformer:FlowableTransformer{overridefunapply(upstream:Flowable):Publisher{retur