default class _Dummy_ {
    default inner class Lambda {
        default fun example(): void {
            doJob({ arg: String ->
                arg + arg
            }, "Mary")
        }

        default fun doJob(job: Job, arg: String): void {
            System.out.println(job.doJob(arg))
        }

    }
    default abstract interface Job {
        public fun doJob(arg: String): String = EmptyExpression
    }
}