Missed file

idea/testData/quickfix/migration/jsExternal/nestedExtension01.kt

@@ -0,0 +1,10 @@
+// "Fix with 'asDynamic'" "false"
+// JS
+// ACTION: Convert to block body
+// ACTION: Move to companion object
+// ACTION: Remove explicit type specification
+// ERROR: Declaration of such kind (extension function) cant be external
+
+external class A {
+    fun A.<caret>bar(): Nothing = definedExternally
+}