<?php  namespace App\Mail;  use Illuminate\Bus\Queueable; use Illuminate\Mail\Mailable; use Illuminate\Queue\SerializesModels;  class ReservationTourOrderMail extends Mailable { 	use Queueable, SerializesModels;  	public string $lang;  	/** 	 * Create a new message instance. 	 * 	 * @return void 	 */ 	public function __construct(string $lang){}  	/** 	 * Build the message. 	 * 	 * @return $this 	 */ 	public function build(){} }