From be36b21e2b30789b4733fca2adaaa765c36506d7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pierre=20B=C3=A9rub=C3=A9?= <pierre@lgse.com>
Date: Sun, 10 May 2020 11:49:44 -0600
Subject: [PATCH] fix type hints

---
 src/Config/ConfigResolver.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Config/ConfigResolver.php b/src/Config/ConfigResolver.php
index ecf4ce9..f779553 100644
--- a/src/Config/ConfigResolver.php
+++ b/src/Config/ConfigResolver.php
@@ -42,7 +42,7 @@ class ConfigResolver
      * @throws CannotParseConfigException
      * @throws RuntimeException
      */
-    public function resolve(string $dir = null): Config
+    public function resolve(?string $dir = null): Config
     {
         try {
             return $this->attemptResolvingConfigFromEnvironment();
@@ -90,7 +90,7 @@ protected function attemptResolvingConfigFromEnvironment(): Config
      * @throws CannotParseConfigException
      * @throws RuntimeException
      */
-    protected function attemptResolvingConfigFromSupportedFormats(string $dir = null): Config
+    protected function attemptResolvingConfigFromSupportedFormats(?string $dir = null): Config
     {
         $dir = $dir ?? getcwd();
         $basePath = $dir . DIRECTORY_SEPARATOR . self::CONFIG_FILENAME;