--- /dev/null
+<?php
+
+namespace Drupal\service_provider_test;
+
+use Drupal\Core\DependencyInjection\ContainerBuilder;
+use Drupal\Core\DependencyInjection\ServiceModifierInterface;
+use Drupal\Core\Site\Settings;
+
+class ServiceProviderTestServiceProvider implements ServiceModifierInterface {
+
+ /**
+ * {@inheritdoc}
+ */
+ public function alter(ContainerBuilder $container) {
+ if ($container->has('file.usage')) {
+ // Override the class used for the file.usage service.
+ $definition = $container->getDefinition('file.usage');
+ $definition->setClass('Drupal\service_provider_test\TestFileUsage');
+ }
+
+ if ($indicator = Settings::get('deployment_identifier')) {
+ $container->setParameter('container_rebuild_indicator', $indicator);
+ }
+
+ if ($parameter = Settings::get('container_rebuild_test_parameter')) {
+ $container->setParameter('container_rebuild_test_parameter', $parameter);
+ }
+ }
+
+}