与这段Java代码等效的Kotlin是什么？doAnswer(newAnswer(){@OverridepublicObjectanswer(InvocationOnMockinvocation)throwsThrowable{Designdesign=newDesign();GetDesign.Listenercallback=(GetDesign.Listener)invocation.getArguments()[0];callback.onSuccess(design);returnnull;}}).when(someRepository).getDesign(any(GetD
