Extract Function: Support multiple output values

idea/testData/refactoring/introduceVariable/FunctionLiteral.kt

@@ -1,3 +1,4 @@
+// WITH_RUNTIME
 fun foo(c : Collection<String>){
   c.filter<selection>{it; false}</selection>
 }

idea/testData/refactoring/introduceVariable/FunctionLiteral.kt.after

@@ -1,4 +1,5 @@
+// WITH_RUNTIME
 fun foo(c : Collection<String>){
-    val function = { it; false }
+    val function: (String) -> Boolean = { it; false }
     c.filter(function)
 }

idea/testData/refactoring/introduceVariable/NoExplicitReceivers.kt

@@ -1,3 +1,4 @@
+// WITH_RUNTIME
 fun main(args: Array<String>) {
     with(A()) {
         println(<selection>prop</selection>)
@@ -7,6 +8,4 @@ fun main(args: Array<String>) {
 
 class A {
     val prop = 1
-}
-
-public inline fun <T, R> with(receiver: T, f: T.() -> R): R = receiver.f()
+}

idea/testData/refactoring/introduceVariable/NoExplicitReceivers.kt.after

@@ -1,3 +1,4 @@
+// WITH_RUNTIME
 fun main(args: Array<String>) {
     with(A()) {
         val i = prop
@@ -8,6 +9,4 @@ fun main(args: Array<String>) {
 
 class A {
     val prop = 1
-}
-
-public inline fun <T, R> with(receiver: T, f: T.() -> R): R = receiver.f()
+}