Merge branch '7.1' into 7.2

* 7.1:
  doc: add missing use statements
  minor : the process method from CompilerPassInterface should be public

Author: xabbuh

configuration/multiple_kernels.rst

@@ -117,7 +117,9 @@ resources::
     // src/Kernel.php
     namespace Shared;
 
+    use Symfony\Bundle\FrameworkBundle\Kernel\MicroKernelTrait;
     use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
+    use Symfony\Component\HttpKernel\Kernel as BaseKernel;
     use Symfony\Component\Routing\Loader\Configurator\RoutingConfigurator;
 
     class Kernel extends BaseKernel
@@ -258,6 +260,7 @@ the application ID to run under CLI context::
 
     // bin/console
     use Shared\Kernel;
+    use Symfony\Bundle\FrameworkBundle\Console\Application;
     use Symfony\Component\Console\Input\InputInterface;
     use Symfony\Component\Console\Input\InputOption;
 

testing.rst

@@ -606,7 +606,7 @@ to remove the ``kernel.reset`` tag from some services in your test environment::
 
         // ...
 
-        protected function process(ContainerBuilder $container): void
+        public function process(ContainerBuilder $container): void
         {
             if ('test' === $this->environment) {
                 // prevents the security token to be cleared