// CHECK:
//   Mangled name: IRunnable
//   Public signature: /IRunnable|null[0]
fun interface IRunnable {
  // CHECK:
  //   Mangled name: IRunnable#run(){}
  //   Public signature: /IRunnable.run|-991178076551934874[0]
  //   Public signature debug description: run(){}
  abstract fun run(): Unit

}

// CHECK:
//   Mangled name: #foo1(IRunnable;kotlin.Array<out|kotlin.String>...){}
//   Public signature: /foo1|8109256075034655920[0]
//   Public signature debug description: foo1(IRunnable;kotlin.Array<out|kotlin.String>...){}
fun foo1(r: IRunnable, vararg s: String): Unit

// CHECK:
//   Mangled name: #foo2(IRunnable;IRunnable;kotlin.Array<out|kotlin.String>...){}
//   Public signature: /foo2|-847052428556006975[0]
//   Public signature debug description: foo2(IRunnable;IRunnable;kotlin.Array<out|kotlin.String>...){}
fun foo2(r1: IRunnable, r2: IRunnable, vararg s: String): Unit

// CHECK:
//   Mangled name: #test(kotlin.Function0<kotlin.Unit>;IRunnable;kotlin.String;kotlin.Array<kotlin.String>){}
//   Public signature: /test|8261026842322841823[0]
//   Public signature debug description: test(kotlin.Function0<kotlin.Unit>;IRunnable;kotlin.String;kotlin.Array<kotlin.String>){}
fun test(fn: Function0<Unit>, r: IRunnable, s: String, arr: Array<String>): Unit