added php download of membershipments

vendor/illuminate/contracts/Mail/Mailer.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace Illuminate\Contracts\Mail;
+
+interface Mailer
+{
+    /**
+     * Begin the process of mailing a mailable class instance.
+     *
+     * @param  mixed  $users
+     * @return \Illuminate\Mail\PendingMail
+     */
+    public function to($users);
+
+    /**
+     * Begin the process of mailing a mailable class instance.
+     *
+     * @param  mixed  $users
+     * @return \Illuminate\Mail\PendingMail
+     */
+    public function bcc($users);
+
+    /**
+     * Send a new message with only a raw text part.
+     *
+     * @param  string  $text
+     * @param  mixed  $callback
+     * @return void
+     */
+    public function raw($text, $callback);
+
+    /**
+     * Send a new message using a view.
+     *
+     * @param  \Illuminate\Contracts\Mail\Mailable|string|array  $view
+     * @param  array  $data
+     * @param  \Closure|string|null  $callback
+     * @return void
+     */
+    public function send($view, array $data = [], $callback = null);
+
+    /**
+     * Get the array of failed recipients.
+     *
+     * @return array
+     */
+    public function failures();
+}