Sometimes shorter code with filterTo, mapTo and flatMapTo

idea/testData/intentions/loopToCallChain/flatMapTo2.kt.after

@@ -0,0 +1,7 @@
+// WITH_RUNTIME
+import java.util.ArrayList
+
+fun foo(list: List<String>): List<String> {
+    <caret>val target = list.flatMapTo(ArrayList<String>(100)) { it.lines() }
+    return target
+}