// CHECK:
//   Mangled name: IFoo
//   Public signature: /IFoo|null[0]
fun interface IFoo {
  // CHECK:
  //   Mangled name: IFoo#foo(kotlin.Int){}
  //   Public signature: /IFoo.foo|-104159190164110731[0]
  //   Public signature debug description: foo(kotlin.Int){}
  abstract fun foo(i: Int): Unit

}

// CHECK:
//   Mangled name: #test(){}
//   Public signature: /test|6620506149988718649[0]
//   Public signature debug description: test(){}
fun test(): Unit

// CHECK:
//   Mangled name: #useFoo(IFoo){}
//   Public signature: /useFoo|-5008863146598304258[0]
//   Public signature debug description: useFoo(IFoo){}
fun useFoo(foo: IFoo): Unit

// CHECK JVM_IR:
//   Mangled name: #withVararg(kotlin.IntArray...){}kotlin.Int
//   Public signature: /withVararg|2262699225692856772[0]
//   Public signature debug description: withVararg(kotlin.IntArray...){}kotlin.Int
// CHECK JS_IR NATIVE:
//   Mangled name: #withVararg(kotlin.IntArray...){}
//   Public signature: /withVararg|2511032413940817176[0]
//   Public signature debug description: withVararg(kotlin.IntArray...){}
fun withVararg(vararg xs: Int): Int