diff --git a/src/Illuminate/Contracts/Mail/Mailer.php b/src/Illuminate/Contracts/Mail/Mailer.php
index 1664999787a9..559adfcf97a3 100644
--- a/src/Illuminate/Contracts/Mail/Mailer.php
+++ b/src/Illuminate/Contracts/Mail/Mailer.php
@@ -4,6 +4,22 @@
 
 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 when only a raw text part.
      *