A quick fix to replace tuples (expressions and types) by Unit, Pair and Triple

Changes are made to all files in the project
 This quick-fix is to be removed in the next milestone

 #KT-2358 In Progress

idea/testData/quickfix/migration/beforeTuplesWithRuntime.kt

@@ -0,0 +1,53 @@
+// "Migrate tuples in project: e.g., #(,) and #(,,) will be replaced by Pair and Triple" "true"
+// ERROR: Tuples are not supported. Press Alt+Enter to replace tuples with library classes
+// ERROR: Tuples are not supported. Press Alt+Enter to replace tuples with library classes
+
+fun foo2() : <caret>#(Int, Int) {
+    return #(1, 1)
+}
+
+fun test2() {
+    foo2()._1
+    foo2()._2
+}
+
+fun foo3() : #(Int, Int, List<String>) {
+    return #(1, 1, arrayList(""))
+}
+
+fun test3() {
+    foo3()._1
+    foo3()._2
+    foo3()._3
+}
+
+fun foo0(): #() {
+    return #()
+}
+
+fun foo4(): #(Int, Int, Int, Int) {
+    return #(1, 2, 3, 4)
+}
+
+fun test4() {
+    foo4()._1
+    foo4()._2
+    foo4()._3
+    foo4()._4
+}
+
+fun fooRec() : #(Int, #(Int, String), List<#(Int, Int)>) {
+    #(1, #(1, ""))
+    throw Exception()
+}
+
+fun foo1(): #(Int) {
+    return #(1)
+}
+
+class Fake(val _1: Int, val _2: String)
+
+fun testFake(f: Fake) {
+    f._1
+    f._2
+}