interface UseCase <in Request, out Response> {
    fun handleRequest(request: Request) : Response
}

interface UseCaseResponseHandler <in Response> {
    fun handleResponse(response: Response)
}

class UseCaseRunner <Request, Response> {

    @Inject lateinit var runner: Runner

    fun runUseCase(
            useCase: UseCase<Request, Response>,
            request: Request,
            responseHandler: UseCaseResponseHandler<Response>) {
        runner.run {
            val response = useCase.handleRequest(request)
            responseHandler.handleResponse(response)
        }
    }
}