From 6bd96b4d977e9a68f24dcc928ab397bab719eb81 Mon Sep 17 00:00:00 2001
From: Chris <happynation@live.co.uk>
Date: Sun, 22 Dec 2019 00:36:53 +0000
Subject: [PATCH] Fixed Symfony 4.2 deprecation notice

---
 DependencyInjection/Configuration.php | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index 937bea5..cda4445 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -17,8 +17,13 @@ class Configuration implements ConfigurationInterface
      */
     public function getConfigTreeBuilder()
     {
-        $treeBuilder = new TreeBuilder();
-        $rootNode = $treeBuilder->root('cayetanosoriano_hashids');
+        $treeBuilder = new TreeBuilder('cayetanosoriano_hashids');
+        if (\method_exists($treeBuilder, 'getRootNode')) {
+            $rootNode = $treeBuilder->getRootNode();
+        } else {
+            // symfony/config <= 4.1
+            $rootNode = $treeBuilder->root('cayetanosoriano_hashids');
+        }
         $rootNode
             ->children()
                 ->scalarNode('salt')->defaultNull()->end()