Navigation to iterator(), next(), hasNext() through 'in' in for-loops

idea/testData/resolve/references/forLoopIn/inBuiltIns/extension.kt

@@ -0,0 +1,8 @@
+fun main(it: Iterator<Any>) {
+  for (i <caret>in it.iterator()) {}
+}
+
+// MULTIRESOLVE
+// REF: (for Iterator<T> in jet).iterator()
+// REF: (in jet.Iterator).hasNext()
+// REF: (in jet.Iterator).next()

idea/testData/resolve/references/forLoopIn/inBuiltIns/member.kt

@@ -0,0 +1,8 @@
+fun main() {
+  for (i <caret>in 1..2) {}
+}
+
+// MULTIRESOLVE
+// REF: (in jet.IntIterator).next()
+// REF: (in jet.IntRange).iterator()
+// REF: (in jet.Iterator).hasNext()