From bc71f851c0b44c8657418b6da6c98feb21869313 Mon Sep 17 00:00:00 2001
From: Jason Judge <jason.judge@consil.co.uk>
Date: Thu, 6 Jan 2022 18:26:45 +0000
Subject: [PATCH] Add return typehints to Extensions ArrayAccess

See https://github.com/goldspecdigital/oooas/issues/52
---
 src/Utilities/Extensions.php | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/Utilities/Extensions.php b/src/Utilities/Extensions.php
index 8ad262b..9a40243 100644
--- a/src/Utilities/Extensions.php
+++ b/src/Utilities/Extensions.php
@@ -26,7 +26,7 @@ class Extensions implements ArrayAccess
      * @param mixed $offset
      * @return bool
      */
-    public function offsetExists($offset)
+    public function offsetExists($offset): bool
     {
         return isset($this->items[$this->normalizeOffset($offset)]);
     }
@@ -39,7 +39,7 @@ public function offsetExists($offset)
      * @throws \GoldSpecDigital\ObjectOrientedOAS\Exceptions\ExtensionDoesNotExistException
      * @return mixed can return all value types
      */
-    public function offsetGet($offset)
+    public function offsetGet($offset): mixed
     {
         if (!$this->offsetExists($offset)) {
             throw new ExtensionDoesNotExistException("[{$offset}] is not a valid extension.");
@@ -55,7 +55,7 @@ public function offsetGet($offset)
      * @param mixed $offset
      * @param mixed $value
      */
-    public function offsetSet($offset, $value)
+    public function offsetSet($offset, $value): void
     {
         if ($value === static::X_EMPTY_VALUE) {
             $this->offsetUnset($offset);
@@ -72,7 +72,7 @@ public function offsetSet($offset, $value)
      * @link https://php.net/manual/en/arrayaccess.offsetunset.php
      * @param mixed $offset
      */
-    public function offsetUnset($offset)
+    public function offsetUnset($offset): void
     {
         if (!$this->offsetExists($offset)) {
             return;