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

idea/testData/resolve/references/forLoopIn/inSource/allMembers.kt

@@ -0,0 +1,17 @@
+fun test(f: Foo) {
+    for(i <caret>in f) {}
+}
+
+trait Foo {
+  fun iterator(): Iterator
+}
+
+trait Iterator {
+  fun next(): Any
+  fun hasNext(): Boolean
+}
+
+// MULTIRESOLVE
+// REF: (in Foo).iterator()
+// REF: (in Iterator).next()
+// REF: (in Iterator).hasNext()