extract method: enable duplicates inside inner classes called methods from outer (IDEA-143504)

java/java-tests/testData/refactoring/extractMethod/DuplicatesFromAnonymous.java

@@ -0,0 +1,16 @@
+import java.util.*;
+
+class Main {
+
+  private final Map<Integer, Map<String, String>> myScheduledUpdates = null;
+
+  void foo() {
+    new Runnable() {
+      @Override
+      public void run() {
+        <selection>myScheduledUpdates.keySet().toArray(new Object[myScheduledUpdates.keySet().size()])</selection>;
+      }
+    };
+    myScheduledUpdates.keySet().toArray(new Object[myScheduledUpdates.keySet().size()]);
+  }
+}