--- old/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/api/tree/RegExpLiteralTree.java	2018-06-27 09:02:32.000000000 +0530
+++ new/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/api/tree/RegExpLiteralTree.java	2018-06-27 09:02:32.000000000 +0530
@@ -28,8 +28,12 @@
 /**
  * Represents regular expression literal in the source code.
  *
+ * @deprecated Nashorn JavaScript script engine and APIs, and the jjs tool
+ * are deprecated with the intent to remove them in a future release.
+ *
  * @since 9
  */
+@Deprecated(since="11", forRemoval=true)
 public interface RegExpLiteralTree extends ExpressionTree {
     /**
      * Regular expression pattern to match.