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+<?php
+
+namespace Telegram\Bot\Objects;
+
+/**
+ * Class Video.
+ *
+ *
+ * @method string       getFileId()     Unique identifier for this file.
+ * @method int          getWidth()      Video width as defined by sender.
+ * @method int          getHeight()     Video height as defined by sender.
+ * @method int          getDuration()   Duration of the video in seconds as defined by sender.
+ * @method PhotoSize    getThumb()      (Optional). Video thumbnail.
+ * @method string       getMimeType()   (Optional). Mime type of a file as defined by sender.
+ * @method int          getFileSize()   (Optional). File size.
+ */
+class Video extends BaseObject
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function relations()
+    {
+        return [
+            'thumb' => PhotoSize::class,
+        ];
+    }
+}