From 3ec34ba7e3dc4a1ec9ad3418c2658b2de2f1918b Mon Sep 17 00:00:00 2001
From: Andrii Dembitskyi <andrew.dembitskiy@gmail.com>
Date: Fri, 11 Jan 2019 11:56:14 +0200
Subject: [PATCH] :poop: Drop deprecation for symfony/config 4.2+

---
 src/Resources/DependencyInjection/Configuration.php | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/Resources/DependencyInjection/Configuration.php b/src/Resources/DependencyInjection/Configuration.php
index 59a62c3..57db5a8 100644
--- a/src/Resources/DependencyInjection/Configuration.php
+++ b/src/Resources/DependencyInjection/Configuration.php
@@ -9,8 +9,12 @@ class Configuration implements ConfigurationInterface
 {
     public function getConfigTreeBuilder()
     {
-        $treeBuilder = new TreeBuilder();
-        $rootNode = $treeBuilder->root('http_client');
+        $treeBuilder = new TreeBuilder('http_client');
+        if (method_exists($treeBuilder, 'getRootNode')) {
+            $rootNode = $treeBuilder->getRootNode();
+        } else {
+            $rootNode = $treeBuilder->root('http_client');
+        }
 
         $rootNode
             ->children()