Allow monkey-patching per
@@ -564,6 +564,13 @@ Polymer.Base.get = function(path, root) {};
*/
Polymer.Base.fire = function(type, detail, options) {};
+/**
+ * For Polymer internal use only, except for
+ * github.com/Polymer/polymer/issues/4138
+ * @type {!function (!Node, ?string, *, ?Object)}
+ */
+Polymer.Base._computeFinalAnnotationValue;
+
/**
* @param {...*} var_args
* For Polymer-internal use only.
