public function definition() 	{ 		$slugs = []; 		$titles = []; 		$bodies = [];  		foreach (DomainLanguages::cases() as $value) { 			$slugs[$value->value] = $this->faker->slug(3); 			$titles[$value->value] = $this->faker->name(); 			$bodies[$value->value] = $this->faker->paragraph(3); 		}  		return [ 			'survey_type' => null, 			'slug' => $slugs, 			'title' => $titles, 			'body' => $bodies, 			'domain_id' => null, 			'published_at' => formatTimestamp(), 		]; 	}