Kunstmaan / KunstmaanBundlesCMS

src/Kunstmaan/AdminBundle/Event/BcEvent.php

<?php

namespace Kunstmaan\AdminBundle\Event;

use Symfony\Component\EventDispatcher\Event as LegacyEvent;
use Symfony\Contracts\EventDispatcher\Event;

if (!class_exists(Event::class)) {
    /**
     * Symfony 3.4
     *
     * @internal
     */
    abstract class BcEvent extends LegacyEvent

The class Symfony\Component\EventDispatcher\Event has been deprecated with message: since Symfony 4.3, use "Symfony\Contracts\EventDispatcher\Event" instead

    {
    }
} else {
    /**
     * Symfony >= 4.3
     *
     * @internal
     */
    abstract class BcEvent extends Event

The type Kunstmaan\AdminBundle\Event\BcEvent has been defined more than once; this definition is ignored, only the first definition in this file (L14-16) is considered.

    {
    }
}