From 12bda5378ada2fdc98a3edb1f4d831237d66c1af Mon Sep 17 00:00:00 2001
From: Joby Elliott <joby@byjoby.com>
Date: Fri, 30 Aug 2019 22:14:39 +0000
Subject: [PATCH] Update FlatArrayInterface.php

---
 src/FlatArrayInterface.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/FlatArrayInterface.php b/src/FlatArrayInterface.php
index f4da1ef..3977df0 100644
--- a/src/FlatArrayInterface.php
+++ b/src/FlatArrayInterface.php
@@ -13,4 +13,7 @@ interface FlatArrayInterface extends \ArrayAccess, \Iterator
     public function pop(?string $name);
     public function unshift(?string $name, $value);
     public function shift(?string $name);
+
+    public function lock();
+    public function unlock();
 }