update

app/Services/Countries/CountryRemoteProviderInterface.php

@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services\Countries;
+
+interface CountryRemoteProviderInterface
+{
+    /**
+     * Fetch and normalize all remote countries.
+     *
+     * @return array<int, array<string, mixed>>
+     */
+    public function fetchAll(): array;
+
+    /**
+     * Normalize a raw payload into syncable country records.
+     *
+     * @param  array<int, mixed>  $payload
+     * @return array<int, array<string, mixed>>
+     */
+    public function normalizePayload(array $payload): array;
+}