From ad18d877ddd2a44d98fa12ccd3dbbcf4d0ac4299 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 xpcom/base/nsIMutable.idl | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 xpcom/base/nsIMutable.idl

(limited to 'xpcom/base/nsIMutable.idl')

diff --git a/xpcom/base/nsIMutable.idl b/xpcom/base/nsIMutable.idl
new file mode 100644
index 000000000..c5c7baab0
--- /dev/null
+++ b/xpcom/base/nsIMutable.idl
@@ -0,0 +1,22 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsISupports.idl"
+
+/**
+ * nsIMutable defines an interface to be implemented by objects which
+ * can be made immutable.
+ */
+[scriptable, uuid(321578d0-03c1-4d95-8821-021ac612d18d)]
+interface nsIMutable : nsISupports
+{
+    /**
+     * Control whether or not this object can be modified.  If the flag is
+     * false, no modification is allowed.  Once the flag has been set to false,
+     * it cannot be reset back to true -- attempts to do so throw
+     * NS_ERROR_INVALID_ARG.
+     */
+    attribute boolean mutable;
+};
-- 
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