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vendor/php-flasher/flasher/Storage/StorageInterface.php

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+<?php
+
+/*
+ * This file is part of the PHPFlasher package.
+ * (c) Younes KHOUBZA <younes.khoubza@gmail.com>
+ */
+
+namespace Flasher\Prime\Storage;
+
+use Flasher\Prime\Notification\Envelope;
+
+interface StorageInterface
+{
+    /**
+     * @return Envelope[]
+     */
+    public function all();
+
+    /**
+     * @param Envelope|Envelope[] $envelopes
+     *
+     * @return void
+     */
+    public function add($envelopes);
+
+    /**
+     * @param Envelope|Envelope[] $envelopes
+     *
+     * @return void
+     */
+    public function update($envelopes);
+
+    /**
+     * @param Envelope|Envelope[] $envelopes
+     *
+     * @return void
+     */
+    public function remove($envelopes);
+
+    /**
+     * Remove all notifications from the storage.
+     *
+     * @return void
+     */
+    public function clear();
+}