Merge pull request #25 from stof/symfony_5

Add support for Symfony 5

Author: stof

composer.json

@@ -19,9 +19,9 @@
     "require":     {
         "php": ">=7.2",
         "keen-io/keen-io": "~2.5",
-        "symfony/config": "^3.4.26 || ^4.3",
-        "symfony/dependency-injection": "^3.4.26 || ^4.3",
-        "symfony/http-kernel": "^3.4.26 || ^4.3"
+        "symfony/config": "^3.4.26 || ^4.3 || ^5.0",
+        "symfony/dependency-injection": "^3.4.26 || ^4.3 || ^5.0",
+        "symfony/http-kernel": "^3.4.26 || ^4.3 || ^5.0"
     },
     "require-dev": {
         "symfony/phpunit-bridge": "^4.4",

src/DependencyInjection/Configuration.php

@@ -6,7 +6,7 @@
 
 class Configuration implements ConfigurationInterface
 {
-    public function getConfigTreeBuilder()
+    public function getConfigTreeBuilder(): TreeBuilder
     {
         $treeBuilder = new TreeBuilder('keen_io');