diff --git a/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/illuminate/contracts/Support/MessageBag.php b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/illuminate/contracts/Support/MessageBag.php
new file mode 100644
index 0000000..7f708ac
--- /dev/null
+++ b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/illuminate/contracts/Support/MessageBag.php
@@ -0,0 +1,102 @@
+<?php
+
+namespace Illuminate\Contracts\Support;
+
+use Countable;
+
+interface MessageBag extends Arrayable, Countable
+{
+    /**
+     * Get the keys present in the message bag.
+     *
+     * @return array
+     */
+    public function keys();
+
+    /**
+     * Add a message to the bag.
+     *
+     * @param  string  $key
+     * @param  string  $message
+     * @return $this
+     */
+    public function add($key, $message);
+
+    /**
+     * Merge a new array of messages into the bag.
+     *
+     * @param  \Illuminate\Contracts\Support\MessageProvider|array  $messages
+     * @return $this
+     */
+    public function merge($messages);
+
+    /**
+     * Determine if messages exist for a given key.
+     *
+     * @param  string|array  $key
+     * @return bool
+     */
+    public function has($key);
+
+    /**
+     * Get the first message from the bag for a given key.
+     *
+     * @param  string|null  $key
+     * @param  string|null  $format
+     * @return string
+     */
+    public function first($key = null, $format = null);
+
+    /**
+     * Get all of the messages from the bag for a given key.
+     *
+     * @param  string  $key
+     * @param  string|null  $format
+     * @return array
+     */
+    public function get($key, $format = null);
+
+    /**
+     * Get all of the messages for every key in the bag.
+     *
+     * @param  string|null  $format
+     * @return array
+     */
+    public function all($format = null);
+
+    /**
+     * Get the raw messages in the container.
+     *
+     * @return array
+     */
+    public function getMessages();
+
+    /**
+     * Get the default message format.
+     *
+     * @return string
+     */
+    public function getFormat();
+
+    /**
+     * Set the default message format.
+     *
+     * @param  string  $format
+     * @return $this
+     */
+    public function setFormat($format = ':message');
+
+    /**
+     * Determine if the message bag has any messages.
+     *
+     * @return bool
+     */
+    public function isEmpty();
+
+    /**
+     * Determine if the message bag has any messages.
+     *
+     * @return bool
+     */
+    public function isNotEmpty();
+}