Symfony decorator

A.php

<?php

declare(strict_types=1);

use Psr\Log\LoggerAwareInterface;
use Psr\Log\LoggerAwareTrait;

final class A implements I, LoggerAwareInterface
{
    use LoggerAwareTrait;
}

Decorator.php

<?php

declare(strict_types=1);

final class Decorator implements I
{
    private I $i;

    public function __construct(I $i)
    {
        $this->i = $i;
    }
}

di.php

<?php

declare(strict_types=1);

use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;

return static function (ContainerConfigurator $di): void {
    $services = $di
        ->services()
        ->defaults()
        ->autowire()
        ->autoconfigure()
    ;

    $services->set(A::class);

    $services
        ->set(Decorator::class)
        ->decorate(A::class)
    ;

    $services->alias(I::class, A::class);
};

I.php

<?php

declare(strict_types=1);

interface I
{
}