Ran php-cs-fixer

Author: sebprt

src/Configuration.php

@@ -19,9 +19,7 @@ public function getConfigTreeBuilder(): TreeBuilder
         /* @phpstan-ignore-next-line */
         $builder->getRootNode()
             ->validate()
-                ->ifTrue(function (array $value) {
-                    return array_key_exists('extractor', $value) && array_key_exists('loader', $value);
-                })
+                ->ifTrue(fn (array $value) => \array_key_exists('extractor', $value) && \array_key_exists('loader', $value))
                 ->thenInvalid('Your configuration should either contain the "extractor" or the "loader" key, not both.')
             ->end()
             ->children()