fix mailing an email

vendor/fakerphp/faker/src/Faker/Extension/CountryExtension.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace Faker\Extension;
+
+/**
+ * @experimental This interface is experimental and does not fall under our BC promise
+ */
+interface CountryExtension extends Extension
+{
+    /**
+     * @example 'Japan'
+     */
+    public function country(): string;
+}