added php download of membershipments

vendor/illuminate/contracts/Mail/MailQueue.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace Illuminate\Contracts\Mail;
+
+interface MailQueue
+{
+    /**
+     * Queue a new e-mail message for sending.
+     *
+     * @param  \Illuminate\Contracts\Mail\Mailable|string|array  $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  \Illuminate\Contracts\Mail\Mailable|string|array  $view
+     * @param  string|null  $queue
+     * @return mixed
+     */
+    public function later($delay, $view, $queue = null);
+}