cs: Enable more risky rules.

src/Bundle/ChillMainBundle/DependencyInjection/Widget/AbstractWidgetsCompilerPass.php

@@ -19,6 +19,11 @@ use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Definition;
 use Symfony\Component\DependencyInjection\Reference;
 use UnexpectedValueException;
+use function array_key_exists;
+use function count;
+use function get_class;
+use function in_array;
+use function is_array;
 
 /**
  * Compile the configurations and inject required service into container.

src/Bundle/ChillMainBundle/DependencyInjection/Widget/AddWidgetConfigurationTrait.php

@@ -14,7 +14,10 @@ use Generator;
 use Symfony\Component\Config\Definition\Builder\TreeBuilder;
 use Symfony\Component\Config\Definition\Exception\InvalidConfigurationException;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
+use function array_key_exists;
+use function count;
 use function implode;
+use function in_array;
 
 /**
  * This trait allow to add automatic configuration for widget inside your config.