From 618124b35f9422dd5effcfd92a19795d1557d0a0 Mon Sep 17 00:00:00 2001
From: pkowalczyk <11366345+PabloKowalczyk@users.noreply.github.com>
Date: Sun, 23 Dec 2018 12:31:58 +0100
Subject: [PATCH] Fix Symfony 4.2 deprecation

---
 DependencyInjection/Configuration.php | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index b1d65e7..764658b 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -17,8 +17,14 @@ class Configuration implements ConfigurationInterface
      */
     public function getConfigTreeBuilder()
     {
-        $treeBuilder = new TreeBuilder();
-        $treeBuilder->root('pixers_doctrine_profiler');
+        $treeBuilder = new TreeBuilder('pixers_doctrine_profiler');
+
+        if (method_exists($treeBuilder, 'getRootNode')) {
+            $rootNode = $treeBuilder->getRootNode();
+        } else {
+            // BC layer for symfony/config 4.1 and older
+            $rootNode = $treeBuilder->root('pixers_doctrine_profiler');
+        }
 
         return $treeBuilder;
     }