Rename plugins to libs and update all file references

libs/vendor/directorytree/imapengine/src/Collections/MessageCollection.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace DirectoryTree\ImapEngine\Collections;
+
+use DirectoryTree\ImapEngine\Message;
+use DirectoryTree\ImapEngine\MessageInterface;
+
+/**
+ * @template-extends PaginatedCollection<array-key, MessageInterface|Message>
+ */
+class MessageCollection extends PaginatedCollection
+{
+    /**
+     * Find a message by its UID.
+     */
+    public function find(int $uid): ?MessageInterface
+    {
+        return $this->first(
+            fn (MessageInterface $message) => $message->uid() === $uid
+        );
+    }
+
+    /**
+     * Find a message by its UID or throw an exception.
+     */
+    public function findOrFail(int $uid): MessageInterface
+    {
+        return $this->firstOrFail(
+            fn (MessageInterface $message) => $message->uid() === $uid
+        );
+    }
+}