--- old/src/share/classes/javax/swing/tree/TreeNode.java	2014-08-07 16:01:58.000000000 -0700
+++ new/src/share/classes/javax/swing/tree/TreeNode.java	2014-08-07 16:01:58.000000000 -0700
@@ -99,5 +99,5 @@
      *
      * @return              the children of the receiver as an {@code Enumeration}
      */
-    Enumeration<TreeNode> children();
+    Enumeration<? extends TreeNode> children();
 }