src/jdk.scripting.nashorn/share/classes/jdk/nashorn/api/scripting/JSObject.java

*** 33,44 ****
--- 33,48 ----
   * This interface can be implemented by an arbitrary Java class. Nashorn will
   * treat objects of such classes just like nashorn script objects. Usual nashorn
   * operations like obj[i], obj.foo, obj.func(), delete obj.foo will be delegated
   * to appropriate method call of this interface.
   *
+  * @deprecated Nashorn JavaScript script engine and APIs, and the jjs tool 
+  * are deprecated with the intent to remove them in a future release.
+  *
   * @since 1.8u40
   */
+ @Deprecated(since="11", forRemoval=true)
  public interface JSObject {
      /**
       * Call this object as a JavaScript function. This is equivalent to
       * 'func.apply(thiz, args)' in JavaScript.
       *