rector.php

<?php

require_once __DIR__ . '/vendor/autoload.php';

use Rector\Config\RectorConfig;
use Rector\Php80\Rector\Class_\ClassPropertyAssignToConstructorPromotionRector;
use Rector\Set\ValueObject\SetList;
use Rector\TypeDeclaration\Rector\ClassMethod\ReturnTypeFromStrictTypedPropertyRector;
use Rector\TypeDeclaration\Rector\Property\TypedPropertyFromStrictConstructorRector;

return static function (RectorConfig $rectorConfig): void {
    // register single rule
    $rectorConfig->rules([
        TypedPropertyFromStrictConstructorRector::class,
        ReturnTypeFromStrictTypedPropertyRector::class,
        ClassPropertyAssignToConstructorPromotionRector::class,
    ]);

    // here we can define, what sets of rules will be applied
    // tip: use "SetList" class to autocomplete sets with your IDE
    $rectorConfig->sets([
        \Rector\Set\ValueObject\LevelSetList::UP_TO_PHP_82,
        SetList::CODE_QUALITY,
        SetList::PHP_82,
        SetList::TYPE_DECLARATION,
    ]);

    $rectorConfig->paths([__DIR__ . '/src']);
};