events/ecs.php

<?php

use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
use Symplify\EasyCodingStandard\ValueObject\Option;
use Symplify\EasyCodingStandard\ValueObject\Set\SetList;

return static function (ContainerConfigurator $containerConfigurator): void {
    $containerConfigurator->import(SetList::PSR_12);

    $parameters = $containerConfigurator->parameters();

    $parameters->set(Option::PATHS, [
        __DIR__ . '/Classes',
        __DIR__ . '/Configuration',
        __DIR__ . '/ecs.php',
        __DIR__ . '/ext_emconf.php',
        __DIR__ . '/ext_localconf.php',
        __DIR__ . '/ext_tables.php',
    ]);
};