<?php
 
 namespace Illuminate\Contracts\Mail;
 
 interface MailQueue
 {
     /**
      * Queue a new e-mail message for sending.
      *
      * @param  string|array|\Illuminate\Contracts\Mail\Mailable  $view
      * @param  string|null  $queue
      * @return mixed
      */
     public function queue($view, $queue = null);
 
     /**
      * Queue a new e-mail message for sending after (n) seconds.
      *
      * @param  \DateTimeInterface|\DateInterval|int  $delay
      * @param  string|array|\Illuminate\Contracts\Mail\Mailable  $view
      * @param  string|null  $queue
      * @return mixed
      */
     public function later($delay, $view, $queue = null);
 }