Supported mapIndexedTo and mapIndexedNotNullTo

idea/testData/intentions/loopToCallChain/indexWithNestedLoop.kt

@@ -1,5 +1,5 @@
 // WITH_RUNTIME
-// INTENTION_TEXT: "Replace with '+= ...filterNot{}.mapIndexed{}'"
+// INTENTION_TEXT: "Replace with 'flatMap{}.filterNot{}.mapIndexedTo(){}'"
 fun foo(list: List<String>, target: MutableCollection<Int>) {
     var i = 0
     <caret>for (s in list) {

idea/testData/intentions/loopToCallChain/indexWithNestedLoop.kt.after

@@ -1,8 +1,8 @@
 // WITH_RUNTIME
-// INTENTION_TEXT: "Replace with '+= ...filterNot{}.mapIndexed{}'"
+// INTENTION_TEXT: "Replace with 'flatMap{}.filterNot{}.mapIndexedTo(){}'"
 fun foo(list: List<String>, target: MutableCollection<Int>) {
-    <caret>target += list
+    <caret>list
             .flatMap { it.indices }
             .filterNot { it == 10 }
-            .mapIndexed { i, j -> i + j }
+            .mapIndexedTo(target) { i, j -> i + j }
 }

idea/testData/intentions/loopToCallChain/mapIndexedNotNullTo.kt

@@ -0,0 +1,9 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'mapIndexedNotNullTo(){}'"
+fun foo(list: List<String?>, target: MutableList<Int>) {
+    <caret>for ((index, s) in list.withIndex()) {
+        val length = s?.substring(index)?.length
+        if (length == null) continue
+        target.add(length)
+    }
+}

idea/testData/intentions/loopToCallChain/mapIndexedNotNullTo.kt.after

@@ -0,0 +1,5 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'mapIndexedNotNullTo(){}'"
+fun foo(list: List<String?>, target: MutableList<Int>) {
+    <caret>list.mapIndexedNotNullTo(target) { index, s -> s?.substring(index)?.length }
+}

idea/testData/intentions/loopToCallChain/mapIndexedNotNullTo_elvisContinue.kt

@@ -0,0 +1,8 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'mapIndexedNotNullTo(){}'"
+fun foo(list: List<String?>, target: MutableList<Int>) {
+    <caret>for ((index, s) in list.withIndex()) {
+        val length = s?.substring(index)?.length ?: continue
+        target.add(length)
+    }
+}

idea/testData/intentions/loopToCallChain/mapIndexedNotNullTo_elvisContinue.kt.after

@@ -0,0 +1,5 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'mapIndexedNotNullTo(){}'"
+fun foo(list: List<String?>, target: MutableList<Int>) {
+    <caret>list.mapIndexedNotNullTo(target) { index, s -> s?.substring(index)?.length }
+}

idea/testData/intentions/loopToCallChain/mapIndexedTo.kt

@@ -1,5 +1,5 @@
 // WITH_RUNTIME
-// INTENTION_TEXT: "Replace with '+= mapIndexed{}'"
+// INTENTION_TEXT: "Replace with 'mapIndexedTo(){}'"
 fun foo(list: List<String>, target: MutableList<Int>) {
     <caret>for ((index, s) in list.withIndex()) {
         target.add(s.hashCode() * index)

idea/testData/intentions/loopToCallChain/mapIndexedTo.kt.after

@@ -0,0 +1,5 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'mapIndexedTo(){}'"
+fun foo(list: List<String>, target: MutableList<Int>) {
+    <caret>list.mapIndexedTo(target) { index, s -> s.hashCode() * index }
+}

idea/testData/intentions/loopToCallChain/mapTo_indexUsed.kt.after

@@ -1,5 +0,0 @@
-// WITH_RUNTIME
-// INTENTION_TEXT: "Replace with '+= mapIndexed{}'"
-fun foo(list: List<String>, target: MutableList<Int>) {
-    <caret>target += list.mapIndexed { index, s -> s.hashCode() * index }
-}