invoiceninja/app/Notifications/ClientContactResetPassword.php

<?php
/**
 * Invoice Ninja (https://invoiceninja.com).
 *
 * @link https://github.com/invoiceninja/invoiceninja source repository
 *
 * @copyright Copyright (c) 2021. Invoice Ninja LLC (https://invoiceninja.com)
 *
 * @license https://www.elastic.co/licensing/elastic-license
 */

namespace App\Notifications;

use Closure;
use Illuminate\Bus\Queueable;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Notifications\Messages\MailMessage;
use Illuminate\Notifications\Notification;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;

//@deprecated
class ClientContactResetPassword extends Notification
{
   // use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;
    /**
     * The password reset token.
     *
     * @var string
     */
    public $token;

    /**
     * The callback that should be used to build the mail message.
     *
     * @var Closure|null
     */
    public static $toMailCallback;

    /**
     * Create a notification instance.
     *
     * @param  string  $token
     * @return void
     */
    public function __construct($token)
    {
        $this->token = $token;
    }

    /**
     * Get the notification's channels.
     *
     * @param  mixed  $notifiable
     * @return array|string
     */
    public function via($notifiable)
    {
        return [];
    }

    /**
     * Build the mail representation of the notification.
     *
     * @param  mixed  $notifiable
     * @return MailMessage
     */
    public function toMail($notifiable)
    {
    }

    /**
     * Set a callback that should be used when building the notification mail message.
     *
     * @param  Closure  $callback
     * @return void
     */
    public static function toMailUsing($callback)
    {
        static::$toMailCallback = $callback;
    }
}