Return int or false from SignalableCommandInterface::handleSignal() instead of void
-public function handleSignal(int $signal): void
+public function handleSignal(int $signal): int|false
{
+ return false;
}Configure your rector.php:
<?php
use Rector\Config\RectorConfig;
use Rector\Symfony\Symfony63\Rector\Class_\SignalableCommandInterfaceReturnTypeRector;
return RectorConfig::configure()
->withRules([
SignalableCommandInterfaceReturnTypeRector::class,
]);