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

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

@@ -0,0 +1,20 @@
+import java.util.*;
+
+class Main {
+
+  private final Map<Integer, Map<String, String>> myScheduledUpdates = null;
+
+  void foo() {
+    new Runnable() {
+      @Override
+      public void run() {
+        newMethod();
+      }
+    };
+    newMethod();
+  }
+
+    private Object[] newMethod() {
+        return myScheduledUpdates.keySet().toArray(new Object[myScheduledUpdates.keySet().size()]);
+    }
+}