ServiceProviderTestServiceProvider.php

<?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);
        }
    }

}