rector/config/set/laravel55.php

<?php

declare(strict_types=1);

use Rector\Renaming\Rector\MethodCall\RenameMethodRector;
use Rector\Renaming\Rector\Name\RenameClassRector;
use Rector\Renaming\Rector\PropertyFetch\RenamePropertyRector;
use Rector\Renaming\ValueObject\MethodCallRename;
use Rector\Renaming\ValueObject\RenameProperty;
use function Rector\SymfonyPhpConfig\inline_value_objects;
use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;

# see: https://laravel.com/docs/5.5/upgrade

return static function (ContainerConfigurator $containerConfigurator): void {
    $services = $containerConfigurator->services();

    $services->set(RenameMethodRector::class)
        ->call('configure', [[
            RenameMethodRector::METHOD_CALL_RENAMES => inline_value_objects([
                new MethodCallRename('Illuminate\Console\Command', 'fire', 'handle'),
            ]),
        ]]);

    $services->set(RenamePropertyRector::class)
        ->call('configure', [[
            RenamePropertyRector::RENAMED_PROPERTIES => inline_value_objects([
                new RenameProperty('Illuminate\Database\Eloquent\Concerns\HasEvents', 'events', 'dispatchesEvents'),
                new RenameProperty('Illuminate\Database\Eloquent\Relations\Pivot', 'parent', 'pivotParent'),
            ]),
        ]]);

    $services->set(RenameClassRector::class)
        ->call(
            'configure',
            [[
                RenameClassRector::OLD_TO_NEW_CLASSES => [
                    'Illuminate\Translation\LoaderInterface' => 'Illuminate\Contracts\Translation\Loader',
                ],
            ]]
        );
};