Upgrade framework

vendor/laravel/serializable-closure/src/Support/ClosureScope.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Laravel\SerializableClosure\Support;
+
+use SplObjectStorage;
+
+class ClosureScope extends SplObjectStorage
+{
+    /**
+     * The number of serializations in current scope.
+     *
+     * @var int
+     */
+    public $serializations = 0;
+
+    /**
+     * The number of closures that have to be serialized.
+     *
+     * @var int
+     */
+    public $toSerialize = 0;
+}