refactor: susun semula struktur folder — Laravel source ke src/

vendor/laravel/serializable-closure/src/Contracts/Signer.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Laravel\SerializableClosure\Contracts;
+
+interface Signer
+{
+    /**
+     * Sign the given serializable.
+     *
+     * @param  string  $serializable
+     * @return array
+     */
+    public function sign($serializable);
+
+    /**
+     * Verify the given signature.
+     *
+     * @param  array  $signature
+     * @return bool
+     */
+    public function verify($signature);
+}