WIP.

src/Backup/Exporter.php

@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Backup;
+
+final class Exporter
+{
+    
+}

src/Backup/Exporter/StationExporter.php

@@ -0,0 +1,17 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Backup\Exporter;
+
+use App\Entity\Station;
+
+final class StationExporter
+{
+    
+
+    public function __invoke(
+        Station $station
+    ): array {
+    }
+}

src/Backup/Importer.php

@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Backup;
+
+final class Importer
+{
+
+}