From 26ed7879c2d762376842141eb507468cf0b734f5 Mon Sep 17 00:00:00 2001
From: Michael Babker <michael.babker@gmail.com>
Date: Fri, 30 Nov 2018 13:16:17 -0600
Subject: [PATCH] Update bundle configuration for Symfony 4.2 change

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

diff --git a/src/DependencyInjection/Configuration.php b/src/DependencyInjection/Configuration.php
index 1c30685..2a6c6d1 100644
--- a/src/DependencyInjection/Configuration.php
+++ b/src/DependencyInjection/Configuration.php
@@ -16,8 +16,14 @@ class Configuration implements ConfigurationInterface
      */
     public function getConfigTreeBuilder()
     {
-        $treeBuilder = new TreeBuilder();
-        $rootNode = $treeBuilder->root('ewz_recaptcha');
+        $treeBuilder = new TreeBuilder('ewz_recaptcha');
+
+        if (method_exists($treeBuilder, 'getRootNode')) {
+            $rootNode = $treeBuilder->getRootNode();
+        } else {
+            // BC layer for symfony/config 4.1 and older
+            $rootNode = $treeBuilder->root('ewz_recaptcha');
+        }
 
         $rootNode
             ->children()