<?php  namespace Database\Factories;  use App\Models\QuestionGroup; use Illuminate\Database\Eloquent\Factories\Factory;  /**  * @extends \Illuminate\Database\Eloquent\Factories\Factory<\App\Models\QuestionGroup>  */ class QuestionGroupFactory extends Factory { 	protected $model = QuestionGroup::class;  	/** 	 * Define the model's default state. 	 */ 	public function definition(): array{}  	public function withTitle(string $title): self{} }