From d1d60eb62a16beeab6b44baf1d47374528840964 Mon Sep 17 00:00:00 2001
From: Rachel Fenichel <fenichel@google.com>
Date: Thu, 15 Mar 2018 13:02:12 -0700
Subject: [PATCH] Make undoStack_ and redoStack_ protected

---
 core/workspace.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/workspace.js b/core/workspace.js
index 0965285eb..f55f521ab 100644
--- a/core/workspace.js
+++ b/core/workspace.js
@@ -62,12 +62,12 @@ Blockly.Workspace = function(opt_options) {
   this.listeners_ = [];
   /**
    * @type {!Array.<!Blockly.Events.Abstract>}
-   * @private
+   * @protected
    */
   this.undoStack_ = [];
   /**
    * @type {!Array.<!Blockly.Events.Abstract>}
-   * @private
+   * @protected
    */
   this.redoStack_ = [];
   /**